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CVE-2026-7376

NULL Pointer Dereference in Wireshark

5.5 MediumFix available

Crash in sharkd 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

0.19%Up 0.2 points since Apr 30, 2026
90%50%10%1%

What each source reports

CVE List Score used 5.5

NULL Pointer Dereference in Wireshark

Crash in sharkd 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service

Record
CVE-2026-7376
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-476
Updated
2026-11-02
EUVDEUVD-2026-26311 5.5

Crash in sharkd 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service

Record
EUVD-2026-26311
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-qjx9-wjx4-9m8j 5.5

Crash in sharkd 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service

Crash in sharkd 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service

Record
GHSA-qjx9-wjx4-9m8j
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-476
Updated
2026-11-02
NVD 5.5

Crash in sharkd 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service

Record
CVE-2026-7376
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-476
Updated
2026-11-02
OSV 5.5

NULL Pointer Dereference in Wireshark

Crash in sharkd 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service

Record
CVE-2026-7376
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-476
Updated
2026-11-02
OSVDEBIAN-CVE-2026-7376 7.5

Crash in sharkd 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service

Record
DEBIAN-CVE-2026-7376
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
Show 12 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-2026-7376 5.5

Crash in sharkd 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service

Record
UBUNTU-CVE-2026-7376
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVAZL-85181 No score

CVE-2026-7376 affecting package wireshark 4.4.7-2

Crash in sharkd 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service

Record
AZL-85181
Updated
2026-11-05
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
OSVopenSUSE-SU-2026:21534-1 No score

Security update for wireshark

This update for wireshark fixes the following issues:

Update to version 4.4.17.

  • CVE-2026-6867: SMB2 protocol dissector crash (bsc#1263727).
  • 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-2026-15166: 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-2026-15174: Denial of Service via Catapult DCT2000 protocol dissector crash (bsc#1271144).
Record
openSUSE-SU-2026:21534-1
Updated
2026-11-02
OSVSUSE-SU-2026:23124-1 No score

Security update for wireshark

This update for wireshark fixes the following issues:

Update to version 4.4.17.

  • CVE-2026-6867: SMB2 protocol dissector crash (bsc#1263727).
  • 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-2026-15166: 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-2026-15174: Denial of Service via Catapult DCT2000 protocol dissector crash (bsc#1271144).
Record
SUSE-SU-2026:23124-1
Updated
2026-11-02
OSVSUSE-SU-2026:23147-1 No score

Security update for wireshark

This update for wireshark fixes the following issues:

Update to version 4.4.17.

  • CVE-2026-6867: SMB2 protocol dissector crash (bsc#1263727).
  • 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-2026-15166: 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-2026-15174: Denial of Service via Catapult DCT2000 protocol dissector crash (bsc#1271144).
Record
SUSE-SU-2026:23147-1
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
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
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 16.0
From an advisory covering 16 CVEs
 before 4.4.17-160000.1.1
4.4.17-160000.1.1
Show 14 moreShow less
Affected packages
PackageAffectedFixed
wireshark
SUSE:Linux Enterprise Server for SAP applications 16.0
From an advisory covering 16 CVEs
 before 4.4.17-160000.1.1
4.4.17-160000.1.1
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
wireshark
openSUSE:Leap 16.0
From an advisory covering 16 CVEs
 before 4.4.17-160000.1.1
4.4.17-160000.1.1

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-2026-7376 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 0.19%, the 9th percentile. Fixed in wireshark 4.4.15-0+deb13u1.

References

Show 164 moreShow less
This page doesn't list everything

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

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