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CVE-2026-6870

Access of Uninitialized Pointer in Wireshark

5.5 MediumFix available

GSM RP protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

0.16%Up 0.1 points since Apr 30, 2026
90%50%10%1%

What each source reports

CVE List Score used 5.5

Access of Uninitialized Pointer in Wireshark

GSM RP protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service

Record
CVE-2026-6870
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness
CWE-824
Updated
2026-11-02
EUVDEUVD-2026-26348 5.5

GSM RP protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service

Record
EUVD-2026-26348
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
GitHub AdvisoriesGHSA-2x3c-49j5-46pj 5.5

GSM RP protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of...

GSM RP protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service

Record
GHSA-2x3c-49j5-46pj
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness
CWE-824
Updated
2026-11-02
NVD 5.5

GSM RP protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service

Record
CVE-2026-6870
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness
CWE-824
Updated
2026-11-02
OSV 5.5

Access of Uninitialized Pointer in Wireshark

GSM RP protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service

Record
CVE-2026-6870
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness
CWE-824
Updated
2026-11-02
OSVDEBIAN-CVE-2026-6870 5.5

GSM RP protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service

Record
DEBIAN-CVE-2026-6870
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
Show 13 moreShow less
OSVOESA-2026-2225 7.8

wireshark security update

Wireshark is an open source tool for profiling network traffic and analyzing packets. Such a tool is often referred to as a network analyzer, network protocol analyzer or sniffer.

Security Fix(es):

ICMPv6 PvD protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-5299)

AFP Spotlight protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-5401)

SBC codec crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service and possible code execution(CVE-2026-5403)

K12 RF5 file parser crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-5404)

RDP protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service and possible code execution(CVE-2026-5405)

FC-SWILS protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-5406)

SMB2 protocol dissector infinite loop in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-5407)

BT-DHT protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-5408)

Monero protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-5409)

DCP-ETSI protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-5653)

AMR-NB codec crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-5654)

Profile import path traversal in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service and possible code execution(CVE-2026-5656)

iLBC codec crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-5657)

MBIM protocol dissector infinite loop in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-6519)

OpenFlow v6 protocol dissector infinite loop in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-6520)

OpenFlow v5 protocol dissector infinite loops in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-6521)

RPKI-Router protocol dissector infinite loop in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-6522)

GNW protocol dissector infinite loop in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-6523)

MySQL protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-6524)

ASN.1 PER protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-6527)

iLBC audio codec crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-6529)

DCP-ETSI protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-6530)

SANE protocol dissector infinite loop in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-6531)

Kismet protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-6532)

Dissection engine LZ77 decompression crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-6533)

USB HID protocol dissector infinite loop in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-6534)

Dissection engine zlib decompression crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-6535)

ZigBee protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-6537)

BEEP protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-6538)

SMB2 protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-6867)

HTTP protocol dissector crash in…

Record
OESA-2026-2225
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVOESA-2026-2226 7.8

wireshark security update

Wireshark is an open source tool for profiling network traffic and analyzing packets. Such a tool is often referred to as a network analyzer, network protocol analyzer or sniffer.

Security Fix(es):

ICMPv6 PvD protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-5299)

AFP Spotlight protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-5401)

SBC codec crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service and possible code execution(CVE-2026-5403)

K12 RF5 file parser crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-5404)

RDP protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service and possible code execution(CVE-2026-5405)

FC-SWILS protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-5406)

SMB2 protocol dissector infinite loop in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-5407)

BT-DHT protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-5408)

Monero protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-5409)

DCP-ETSI protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-5653)

AMR-NB codec crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-5654)

Profile import path traversal in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service and possible code execution(CVE-2026-5656)

iLBC codec crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-5657)

MBIM protocol dissector infinite loop in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-6519)

OpenFlow v6 protocol dissector infinite loop in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-6520)

OpenFlow v5 protocol dissector infinite loops in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-6521)

RPKI-Router protocol dissector infinite loop in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-6522)

GNW protocol dissector infinite loop in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-6523)

MySQL protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-6524)

ASN.1 PER protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-6527)

iLBC audio codec crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-6529)

DCP-ETSI protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-6530)

SANE protocol dissector infinite loop in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-6531)

Kismet protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-6532)

Dissection engine LZ77 decompression crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-6533)

USB HID protocol dissector infinite loop in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-6534)

Dissection engine zlib decompression crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-6535)

ZigBee protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-6537)

BEEP protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-6538)

SMB2 protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-6867)

HTTP protocol dissector crash in…

Record
OESA-2026-2226
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVOESA-2026-2227 7.8

wireshark security update

Wireshark is an open source tool for profiling network traffic and analyzing packets. Such a tool is often referred to as a network analyzer, network protocol analyzer or sniffer.

Security Fix(es):

ICMPv6 PvD protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-5299)

AFP Spotlight protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-5401)

SBC codec crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service and possible code execution(CVE-2026-5403)

K12 RF5 file parser crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-5404)

RDP protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service and possible code execution(CVE-2026-5405)

FC-SWILS protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-5406)

SMB2 protocol dissector infinite loop in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-5407)

BT-DHT protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-5408)

Monero protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-5409)

DCP-ETSI protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-5653)

AMR-NB codec crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-5654)

Profile import path traversal in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service and possible code execution(CVE-2026-5656)

iLBC codec crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-5657)

MBIM protocol dissector infinite loop in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-6519)

OpenFlow v6 protocol dissector infinite loop in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-6520)

OpenFlow v5 protocol dissector infinite loops in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-6521)

RPKI-Router protocol dissector infinite loop in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-6522)

GNW protocol dissector infinite loop in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-6523)

MySQL protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-6524)

ASN.1 PER protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-6527)

iLBC audio codec crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-6529)

DCP-ETSI protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-6530)

SANE protocol dissector infinite loop in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-6531)

Kismet protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-6532)

Dissection engine LZ77 decompression crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-6533)

USB HID protocol dissector infinite loop in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-6534)

Dissection engine zlib decompression crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-6535)

ZigBee protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-6537)

BEEP protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-6538)

SMB2 protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-6867)

HTTP protocol dissector crash in…

Record
OESA-2026-2227
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVOESA-2026-2228 7.8

wireshark security update

Wireshark is an open source tool for profiling network traffic and analyzing packets. Such a tool is often referred to as a network analyzer, network protocol analyzer or sniffer.

Security Fix(es):

ICMPv6 PvD protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-5299)

AFP Spotlight protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-5401)

SBC codec crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service and possible code execution(CVE-2026-5403)

K12 RF5 file parser crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-5404)

RDP protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service and possible code execution(CVE-2026-5405)

FC-SWILS protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-5406)

SMB2 protocol dissector infinite loop in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-5407)

BT-DHT protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-5408)

Monero protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-5409)

DCP-ETSI protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-5653)

AMR-NB codec crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-5654)

Profile import path traversal in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service and possible code execution(CVE-2026-5656)

iLBC codec crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-5657)

MBIM protocol dissector infinite loop in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-6519)

OpenFlow v6 protocol dissector infinite loop in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-6520)

OpenFlow v5 protocol dissector infinite loops in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-6521)

RPKI-Router protocol dissector infinite loop in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-6522)

GNW protocol dissector infinite loop in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-6523)

MySQL protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-6524)

ASN.1 PER protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-6527)

iLBC audio codec crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-6529)

DCP-ETSI protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-6530)

SANE protocol dissector infinite loop in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-6531)

Kismet protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-6532)

Dissection engine LZ77 decompression crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-6533)

USB HID protocol dissector infinite loop in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-6534)

Dissection engine zlib decompression crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-6535)

ZigBee protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-6537)

BEEP protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-6538)

SMB2 protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service(CVE-2026-6867)

HTTP protocol dissector crash in…

Record
OESA-2026-2228
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2026-6870 5.5

GSM RP protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service

Record
UBUNTU-CVE-2026-6870
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVAZL-85211 No score

CVE-2026-6870 affecting package wireshark 4.4.7-2

GSM RP protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service

Record
AZL-85211
Updated
2026-11-05
OSVCLSA-2026-1785491682 No score

wireshark: Fix of 28 CVEs

  • CVE-2026-15172: do not precompute the FMP/NOTIFY handle list length to avoid an integer overflow
  • CVE-2026-15174: cap E-DCH DDI entries at MAX_EDCH_DDIS in the Catapult DCT2000 dissector
  • CVE-2026-5407: check for offset overflow in SMB2 EA info and notify data dissection
  • CVE-2026-6534: skip USB HID items with a report size of zero to prevent an infinite loop
  • CVE-2026-6533: sanity check the LZ77 uncompression size
  • CVE-2026-6522: check for offset overflow on unknown RPKI-RTR PDU types to prevent an infinite loop
  • CVE-2026-5404: fix a stack buffer overflow when writing K12 source descriptor records
  • CVE-2026-6529: report the proper iLBC decoded length for multi-frame payloads
  • CVE-2026-6530: require equal-size fragments for DCP ETSI Reed-Solomon reassembly
  • CVE-2026-6870: stop using a global tree pointer in the GSM RP dissector
  • CVE-2026-6869: bound WebSocket permessage-deflate decompression buffer growth
  • CVE-2026-6521: prevent infinite loops in OpenFlow v5 action and table description dissection
  • CVE-2026-6526: check the strstr() result when resolving HTTP Location targets to avoid a crash
  • CVE-2026-6532: fix a heap buffer overflow in the Kismet dissector
  • CVE-2026-15163: advance dissection offsets in the MIH, MPEG DSM-CC, eDonkey and MEGACO dissectors to prevent infinite loops
Record
CLSA-2026-1785491682
Updated
2026-11-02
OSVCLSA-2026-1786479348 No score

wireshark: Fix of 26 CVEs

  • Add wireshark-0019-epan-add-simple-recursion-checks.patch: backport the increment/decrement_dissection_depth() API, a prerequisite for the recursion-depth fixes below (3.4.10 has no such API)
  • CVE-2023-1994: GQUIC dissector: fix a NULL pointer dereference
  • CVE-2024-4853: editcap: do not memmove more than the allocated buffer holds
  • CVE-2024-4855: editcap, libwiretap: do not use the array of initial decryption secrets after it has been freed
  • CVE-2026-15164: ciscodump: do not try to write more than PACKET_MAX_SIZE
  • CVE-2026-15167: DBS Etherwatch reader: keep buffer slack for an extra byte
  • CVE-2023-1993: LISP dissector: do not read past the LCAF payload length
  • CVE-2026-6867: SMB2 dissector: put bounds on total chained compression
  • CVE-2026-15172: FMP/NOTIFY dissector: stop precomputing the HandleList length
  • CVE-2026-15174: catapult-dct2000 dissector: cap the E-DCH no_ddi_entries count at MAX_EDCH_DDIS
  • CVE-2026-5407: SMB2 dissector: check for offset overflow in two more places
  • CVE-2026-6534: USB HID dissector: skip items with a report size of zero
  • CVE-2026-6522: RPKI-RTR dissector: check for overflow in the unknown PDU type case
  • CVE-2026-5404: K12 reader: fix a possible stack overflow when writing
  • CVE-2026-6529: iLBC codec plugin: report the proper decoded length in the multiframe case
  • CVE-2026-6530: DCP-ETSI dissector: reject a Reed-Solomon reassembly whose total size is not fcount * plen
  • CVE-2026-6870: GSM RP dissector: stop using a global for reassembly state
  • CVE-2026-6869: WebSocket dissector: put bounds on zlib decompression
  • CVE-2026-6521: OpenFlow v5 dissector: bound the OXM, action and match walks so a crafted message cannot drive an infinite loop
  • CVE-2026-6526: HTTP dissector: check the strstr() results before dereferencing them
  • CVE-2026-6532: kismet dissector: fix a heap buffer overflow
  • CVE-2026-5401: AFP Spotlight dissector: add recursion checks
  • CVE-2026-5406: fcswils dissector: add recursion checks
  • CVE-2026-5408: BT DHT dissector: add recursion checks
  • CVE-2026-6538: BEEP dissector: prevent overflow and add recursion checks
  • CVE-2026-6527: asn2wrs and the generated ASN.1 dissectors: treat open types as potentially cyclic and add recursion checks
  • CVE-2026-6535: epan: fix potential overflows in zlib decompression
Record
CLSA-2026-1786479348
Updated
2026-11-02
OSVMGASA-2026-0184 No score

Updated wireshark packages fix security vulnerabilities

Multiple vulnerabilities have been discovered in Wireshark, a network protocol analyzer, which could result in denial of service or the execution of arbitrary code. This update fixes the reported issue.

Record
MGASA-2026-0184
Updated
2026-11-02
OSVopenSUSE-SU-2026:10686-1 No score

libwireshark19-4.6.5-1.1 on GA media

These are all security issues fixed in the libwireshark19-4.6.5-1.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2026:10686-1
Updated
2026-11-02
OSVSUSE-SU-2026:2203-1 No score

Security update for wireshark

This update for wireshark fixes the following issues

  • CVE-2026-5401: AFP dissector crash (bsc#1263756).
  • CVE-2026-5403: SBC audio codec crash (bsc#1263765).
  • CVE-2026-5404: K12 RF5 file parser crash (bsc#1263766).
  • CVE-2026-5405: RDP dissector crash (bsc#1263767).
  • CVE-2026-5406: FC-SWILS dissector crash (bsc#1263754).
  • CVE-2026-5407: SMB2 dissector infinite loop (bsc#1263753).
  • CVE-2026-5408: BT-DHT dissector crash (bsc#1263752).
  • CVE-2026-5653: DCP-ETSI dissector crash (bsc#1263750).
  • CVE-2026-5656: Profile import crash and possible code execution (bsc#1263809).
  • CVE-2026-5657: iLBC audio codec crash (bsc#1263747).
  • CVE-2026-6519: MBIM protocol dissector infinite loop (bsc#1263746).
  • CVE-2026-6520: OpenFlow v6 protocol dissector infinite loop (bsc#1263745).
  • CVE-2026-6521: OpenFlow v5 protocol dissector infinite loops (bsc#1263744).
  • CVE-2026-6522: RPKI-Router protocol dissector infinite loop (bsc#1263743).
  • CVE-2026-6523: GNW protocol dissector infinite loop (bsc#1263742).
  • CVE-2026-6526: RTSP protocol dissector crash (bsc#1263740).
  • CVE-2026-6527: ASN.1 PER dissector crash (bsc#1263739).
  • CVE-2026-6529: iLBC audio codec crash (bsc#1263737).
  • CVE-2026-6530: DCP-ETSI protocol dissector crash (bsc#1263736).
  • CVE-2026-6532: Kismet protocol dissector crash (bsc#1263734).
  • CVE-2026-6534: USB HID dissector infinite loop (bsc#1263732).
  • CVE-2026-6535: Dissection engine zlib decompression crash (bsc#1263731).
  • CVE-2026-6538: BEEP dissector crash (bsc#1263728).
  • CVE-2026-6867: SMB2 protocol dissector crash (bsc#1263727).
  • CVE-2026-6868: HTTP protocol dissector crash (bsc#1263762).
  • CVE-2026-6869: WebSocket protocol dissector crash (bsc#1263726).
  • CVE-2026-6870: GSM RP protocol dissector crash (bsc#1263725).
  • CVE-2026-7378: Sharkd utility crash (bsc#1263759).
  • CVE-2026-7379: Sharkd utility memory leak (bsc#1263758).
Record
SUSE-SU-2026:2203-1
Updated
2026-11-02
OSVSUSE-SU-2026:2969-1 No score

Security update for wireshark

This update for wireshark fixes the following issues

  • CVE-2026-5401: AFP dissector crash (bsc#1263756).
  • CVE-2026-5403: SBC audio codec crash (bsc#1263765).
  • CVE-2026-5404: K12 RF5 file parser crash (bsc#1263766).
  • CVE-2026-5406: FC-SWILS dissector crash (bsc#1263754).
  • CVE-2026-5407: SMB2 dissector infinite loop (bsc#1263753).
  • CVE-2026-5408: BT-DHT dissector crash (bsc#1263752).
  • CVE-2026-5653: DCP-ETSI dissector crash (bsc#1263750).
  • CVE-2026-6521: OpenFlow v5 protocol dissector infinite loops (bsc#1263744).
  • CVE-2026-6522: RPKI-Router protocol dissector infinite loop (bsc#1263743).
  • CVE-2026-6527: ASN.1 PER dissector crash (bsc#1263739).
  • CVE-2026-6532: Kismet protocol dissector crash (bsc#1263734).
  • CVE-2026-6535: Dissection engine zlib decompression crash (bsc#1263731).
  • CVE-2026-6538: BEEP dissector crash (bsc#1263728).
  • CVE-2026-6870: GSM RP protocol dissector crash (bsc#1263725).
  • CVE-2026-7379: Sharkd utility memory leak (bsc#1263758).
Record
SUSE-SU-2026:2969-1
Updated
2026-11-02
OSVSUSE-SU-2026:3501-1 No score

Security update for wireshark

This update for wireshark fixes the following issues:

Update to version 4.6.7:

  • CVE-2026-5299: ICMPv6 dissector crash (bsc#1263757).
  • CVE-2026-5401: AFP dissector crash (bsc#1263756).
  • CVE-2026-5402: TLS dissector crash and possible code execution (bsc#1263755).
  • CVE-2026-5403: SBC audio codec crash (bsc#1263765).
  • CVE-2026-5404: K12 RF5 file parser crash (bsc#1263766).
  • CVE-2026-5405: RDP dissector crash (bsc#1263767).
  • CVE-2026-5406: FC-SWILS dissector crash (bsc#1263754).
  • CVE-2026-5407: SMB2 dissector infinite loop (bsc#1263753).
  • CVE-2026-5408: BT-DHT dissector crash (bsc#1263752).
  • CVE-2026-5409: Monero dissector crash (bsc#1263751).
  • CVE-2026-5653: DCP-ETSI dissector crash (bsc#1263750).
  • CVE-2026-5654: AMR-NB audio codec crash (bsc#1263749).
  • CVE-2026-5655: SDP dissector crash (bsc#1263748).
  • CVE-2026-5656: Profile import crash and possible code execution (bsc#1263809).
  • CVE-2026-5657: iLBC audio codec crash (bsc#1263747).
  • CVE-2026-6519: MBIM protocol dissector infinite loop (bsc#1263746).
  • CVE-2026-6520: OpenFlow v6 protocol dissector infinite loop (bsc#1263745).
  • CVE-2026-6521: OpenFlow v5 protocol dissector infinite loops (bsc#1263744).
  • CVE-2026-6522: RPKI-Router protocol dissector infinite loop (bsc#1263743).
  • CVE-2026-6523: GNW protocol dissector infinite loop (bsc#1263742).
  • CVE-2026-6524: MySQL protocol dissector crash (bsc#1263741).
  • CVE-2026-6525: IEEE 802.11 protocol dissector crash (bsc#1263810).
  • CVE-2026-6526: RTSP protocol dissector crash (bsc#1263740).
  • CVE-2026-6527: ASN.1 PER dissector crash (bsc#1263739).
  • CVE-2026-6528: TLS protocol dissector infinite loop (bsc#1263738).
  • CVE-2026-6529: iLBC audio codec crash (bsc#1263737).
  • CVE-2026-6530: DCP-ETSI protocol dissector crash (bsc#1263736).
  • CVE-2026-6531: SANE protocol dissector infinite loop (bsc#1263735).
  • CVE-2026-6532: Kismet protocol dissector crash (bsc#1263734).
  • CVE-2026-6533: Dissection engine LZ77 decompression crash (bsc#1263733).
  • CVE-2026-6534: USB HID dissector infinite loop (bsc#1263732).
  • CVE-2026-6535: Dissection engine zlib decompression crash (bsc#1263731).
  • CVE-2026-6536: DLMS/COSEM dissector infinite loop (bsc#1263730).
  • CVE-2026-6537: ZigBee dissector crash (bsc#1263729).
  • CVE-2026-6538: BEEP dissector crash (bsc#1263728).
  • CVE-2026-6867: SMB2 protocol dissector crash (bsc#1263727).
  • CVE-2026-6868: HTTP protocol dissector crash (bsc#1263762).
  • CVE-2026-6869: WebSocket protocol dissector crash (bsc#1263726).
  • CVE-2026-6870: GSM RP protocol dissector crash (bsc#1263725).
  • CVE-2026-7375: UDS protocol dissector infinite loop (bsc#1263761).
  • CVE-2026-7376: Sharkd utility crash (bsc#1263760).
  • CVE-2026-7378: Sharkd utility crash (bsc#1263759).
  • CVE-2026-7379: Sharkd utility memory leak (bsc#1263758).
  • CVE-2026-9759: ROHC protocol dissector crash (bsc#1266670).
  • CVE-2026-15163: Denial of Service via multiple protocol dissector infinite loops (bsc#1271133).
  • CVE-2026-15164: Denial of Service vulnerability in ciscodump (bsc#1271134).
  • CVE-2026-15165: Denial of Service via TLS ECH decryptor crash (bsc#1271135).
  • CVE-2026-15166: Denial of Service via IEEE 802.11 protocol dissector crash (bsc#1271136).
  • CVE-2026-15167: Denial of Service via DBS Etherwatch file parser crash (bsc#1271137).
  • CVE-2026-15168: BLF file parser allows possible information disclosure (bsc#1271138).
  • CVE-2026-15169: Denial of Service via UMTS FP protocol dissector crash (bsc#1271139).
  • CVE-2026-15170: Denial of service via Z39.50 protocol dissector crash (bsc#1271140).
  • CVE-2026-15171: Denial of service via SSH protocol dissector crash (bsc#1271141).
  • CVE-2026-15172: Denial of service via FMP/NOTIFY protocol dissector crash (bsc#1271142).
  • CVE-2026-15173: Denial of Service via pcapng file parser crash (bsc#1271143).
  • CVE-2026-15174: Denial of Service via Catapult DCT2000 protocol dissector crash (bsc#1271144).
Record
SUSE-SU-2026:3501-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
wireshark
Azure Linux:3
 through 4.4.7-2 None known
wireshark
TuxCare:AlmaLinux:9.6
From an advisory covering 15 CVEs
 before 1:3.4.10-7.el9_6.tuxcare.els7
1:3.4.10-7.el9_6.tuxcare.els7
wireshark-cli
TuxCare:AlmaLinux:9.6
From an advisory covering 15 CVEs
 before 1:3.4.10-7.el9_6.tuxcare.els7
1:3.4.10-7.el9_6.tuxcare.els7
wireshark-devel
TuxCare:AlmaLinux:9.6
From an advisory covering 15 CVEs
 before 1:3.4.10-7.el9_6.tuxcare.els7
1:3.4.10-7.el9_6.tuxcare.els7
wireshark
TuxCare:AlmaLinux:9.2
From an advisory covering 26 CVEs
 before 1:3.4.10-4.el9_2.tuxcare.els13
1:3.4.10-4.el9_2.tuxcare.els13
wireshark-cli
TuxCare:AlmaLinux:9.2
From an advisory covering 26 CVEs
 before 1:3.4.10-4.el9_2.tuxcare.els13
1:3.4.10-4.el9_2.tuxcare.els13
wireshark-devel
TuxCare:AlmaLinux:9.2
From an advisory covering 26 CVEs
 before 1:3.4.10-4.el9_2.tuxcare.els13
1:3.4.10-4.el9_2.tuxcare.els13
wireshark
Debian:12
 All versions, plus listed versions
4.0.10-14.0.11-14.0.11-1~deb12u14.0.17-0+deb12u14.0.17-0+deb12u2
Show 45 moreShow less
4.0.17-0+deb12u34.0.3-14.0.5-1~exp14.0.6-14.0.6-1~deb12u14.0.6-1~exp14.0.7-14.0.8-14.2.0-14.2.0-1~exp04.2.0~rc3-1~exp14.2.2-14.2.2-1.14.2.2-1.1~exp14.2.4-14.2.5-14.2.5-24.2.6-14.4.0-0exp14.4.0-0exp24.4.0-14.4.1-14.4.2-14.4.3-14.4.4-14.4.5-14.4.6-14.4.6-24.4.7-0exp14.4.7-14.4.8-0exp14.4.9-14.6.0-0exp14.6.0-14.6.0~rc1-0exp14.6.0~rc1-0exp24.6.1-14.6.1-24.6.2-14.6.2-34.6.3-14.6.4-14.6.5-14.6.6-14.6.6-2
 None known
wireshark
Debian:13
 before 4.4.15-0+deb13u1, plus listed versions
4.4.13-0+deb13u14.4.14-0+deb13u14.4.7-14.4.8-0exp14.4.9-1
4.4.15-0+deb13u1
wireshark
Debian:14
 before 4.6.5-1, plus listed versions
4.4.7-14.4.8-0exp14.4.9-14.6.0-0exp14.6.0-1
Show 8 moreShow less
4.6.0~rc1-0exp14.6.0~rc1-0exp24.6.1-14.6.1-24.6.2-14.6.2-34.6.3-14.6.4-1
4.6.5-1
Show 18 moreShow less
Affected packages
PackageAffectedFixed
wireshark
Mageia:9
From an advisory covering 21 CVEs
 before 4.0.17-1.2.mga9
4.0.17-1.2.mga9
wireshark
openEuler:24.03-LTS-SP3
From an advisory covering 37 CVEs
 before 4.4.15-1.oe2403sp3
4.4.15-1.oe2403sp3
wireshark
openEuler:22.03-LTS-SP4
From an advisory covering 37 CVEs
 before 4.4.15-1.oe2203sp4
4.4.15-1.oe2203sp4
wireshark
openEuler:24.03-LTS
From an advisory covering 37 CVEs
 before 4.4.15-1.oe2403
4.4.15-1.oe2403
wireshark
openEuler:24.03-LTS-SP1
From an advisory covering 37 CVEs
 before 4.4.15-1.oe2403sp1
4.4.15-1.oe2403sp1
wireshark
SUSE:Linux Enterprise Server LTSS Extended Security 12 SP5
From an advisory covering 15 CVEs
 before 2.4.16-48.69.1
2.4.16-48.69.1
wireshark
SUSE:Linux Enterprise Module for Basesystem 15 SP7
From an advisory covering 56 CVEs
 before 4.6.7-150700.21.11.1
4.6.7-150700.21.11.1
wireshark
SUSE:Linux Enterprise Module for Desktop Applications 15 SP7
From an advisory covering 56 CVEs
 before 4.6.7-150700.21.11.1
4.6.7-150700.21.11.1
wireshark
Ubuntu:Pro:14.04:LTS
 All versions, plus listed versions
1.10.2-11.10.3-11.10.5-1ubuntu11.10.5-21.10.6-1
Show 9 moreShow less
1.12.1+g01b65bf-4+deb8u11ubuntu0.14.04.12.6.3-1~ubuntu14.04.12.6.4-2~ubuntu14.04.12.6.5-1~ubuntu14.04.12.6.6-1~ubuntu14.04.02.6.8-1~ubuntu14.04.0~esm12.6.10-1~ubuntu14.04.0~esm12.6.10-1~ubuntu14.04.0~esm22.6.10-1~ubuntu14.04.0~esm3
 None known
wireshark
Ubuntu:Pro:16.04:LTS
 All versions, plus listed versions
1.12.7+g7fc8978-11.12.8+g5b6e543-22.0.1+g59ea380-3build12.0.2+ga16e22e-12.2.6+g32dac6a-2ubuntu0.16.04
Show 8 moreShow less
2.6.3-1~ubuntu16.04.12.6.4-2~ubuntu16.04.02.6.5-1~ubuntu16.04.02.6.6-1~ubuntu16.04.02.6.8-1~ubuntu16.04.02.6.10-1~ubuntu16.04.02.6.10-1~ubuntu16.04.0+esm12.6.10-1~ubuntu16.04.0+esm2
 None known
wireshark
Ubuntu:Pro:18.04:LTS
 All versions, plus listed versions
2.4.2-12.4.3-12.4.4-12.4.5-12.6.3-1~ubuntu18.04.1
Show 7 moreShow less
2.6.4-2~ubuntu18.04.02.6.5-1~ubuntu18.04.02.6.6-1~ubuntu18.04.02.6.8-1~ubuntu18.04.02.6.10-1~ubuntu18.04.02.6.10-1~ubuntu18.04.0+esm12.6.10-1~ubuntu18.04.0+esm2
 None known
wireshark
Ubuntu:Pro:20.04:LTS
 All versions, plus listed versions
3.0.5-13.0.7-13.2.1-13.2.2-13.2.3-13.2.3-1ubuntu0.1~esm13.2.3-1ubuntu0.1~esm2
 None known
wireshark
Ubuntu:Pro:22.04:LTS
 All versions, plus listed versions
3.4.7-1~exp13.4.9-13.6.2-1ubuntu13.6.2-23.6.2-2ubuntu0.1~esm1
 None known
wireshark
Ubuntu:24.04:LTS
 All versions, plus listed versions
4.0.8-14.0.10-14.0.11-14.2.0-14.2.2-14.2.2-1.1build14.2.2-1.1build24.2.2-1.1build3
 None known
wireshark
Ubuntu:25.10
 All versions, plus listed versions
4.4.5-14.4.6-24.4.6-2build14.4.7-1
 None known
wireshark
Ubuntu:26.10
 All versions, plus listed versions
4.6.4-14.6.6-14.6.6-24.6.6-2build1
 None known
wireshark
Ubuntu:26.04:LTS
 All versions, plus listed versions
4.4.7-14.6.0-14.6.1-24.6.2-34.6.3-14.6.4-1
 None known
wireshark
openSUSE:Tumbleweed
From an advisory covering 43 CVEs
 before 4.6.5-1.1
4.6.5-1.1

History

History
RecordedChangedSources
affected
factsOSV
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-6870 is a medium vulnerability (CVSS 5.5) in Wireshark, published April 30, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.16%, the 5th percentile. Fixed in wireshark 4.4.15-0+deb13u1.

References

Show 179 moreShow less
This page doesn't list everything

Left out here: 1 version and the rest of 4 source descriptions. The JSON record has them.

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