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CVE-2026-15166

Stack-based Buffer Overflow in Wireshark

5.5 MediumFix available

IEEE 802.11 protocol dissector crash in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 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

0.14%Unchanged since Jul 9, 2026
90%50%10%1%

What each source reports

CVE List Score used 5.5

Stack-based Buffer Overflow in Wireshark

IEEE 802.11 protocol dissector crash in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service

Record
CVE-2026-15166
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-121
Updated
2026-11-02
EUVDEUVD-2026-42423 5.5

IEEE 802.11 protocol dissector crash in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service

Record
EUVD-2026-42423
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-h9wc-3j4p-q5g3 5.5

IEEE 802.11 protocol dissector crash in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows...

IEEE 802.11 protocol dissector crash in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service

Record
GHSA-h9wc-3j4p-q5g3
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-121
Updated
2026-11-02
NVD 5.5

IEEE 802.11 protocol dissector crash in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service

Record
CVE-2026-15166
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-121
Updated
2026-11-02
OSVALPINE-CVE-2026-15166 5.5

IEEE 802.11 protocol dissector crash in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service

Record
ALPINE-CVE-2026-15166
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
2026-11-06
OSV 5.5

Stack-based Buffer Overflow in Wireshark

IEEE 802.11 protocol dissector crash in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service

Record
CVE-2026-15166
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-121
Updated
2026-11-02
Show 15 moreShow less
OSVDEBIAN-CVE-2026-15166 5.5

IEEE 802.11 protocol dissector crash in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service

Record
DEBIAN-CVE-2026-15166
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
OSVOESA-2026-3089 7.5

wireshark security update

Wireshark allows you to examine protocol data stored in files or as it is captured from wired or wireless (WiFi or Bluetooth) networks, USB devices, and many other sources. It supports dozens of protocol capture file formats and understands more than a thousand protocols.

Security Fix(es):

Multiple protocol dissector infinite loops in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allow denial of service.(CVE-2026-15163)

Crash in ciscodump 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service due to a heap-based buffer overflow.(CVE-2026-15164)

IEEE 802.11 protocol dissector crash in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service due to a stack-based buffer overflow.(CVE-2026-15166)

DBS Etherwatch file parser crash in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service due to a stack-based buffer overflow.(CVE-2026-15167)

BLF file parser in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows possible information disclosure(CVE-2026-15168)

UMTS FP protocol dissector crash in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service via a heap-based buffer overflow.(CVE-2026-15169)

Z39.50 protocol dissector crash in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service due to a heap-based buffer overflow.(CVE-2026-15170)

A NULL pointer dereference vulnerability in the SSH protocol dissector of Wireshark versions 4.6.0 through 4.6.6 and 4.4.0 through 4.4.16 allows remote attackers to cause a denial of service via crafted traffic.(CVE-2026-15171)

FMP/NOTIFY protocol dissector crash in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service due to unchecked input for loop condition.(CVE-2026-15172)

A heap-based buffer overflow vulnerability in the Catapult DCT2000 protocol dissector in Wireshark 4.6.0 through 4.6.6 and 4.4.0 through 4.4.16 allows denial of service via a crafted packet or traffic capture file, causing the dissector to crash.(CVE-2026-15174)

Record
OESA-2026-3089
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
OSVOESA-2026-3090 7.5

wireshark security update

Wireshark allows you to examine protocol data stored in files or as it is captured from wired or wireless (WiFi or Bluetooth) networks, USB devices, and many other sources. It supports dozens of protocol capture file formats and understands more than a thousand protocols.

Security Fix(es):

Multiple protocol dissector infinite loops in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allow denial of service.(CVE-2026-15163)

Crash in ciscodump 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service due to a heap-based buffer overflow.(CVE-2026-15164)

IEEE 802.11 protocol dissector crash in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service due to a stack-based buffer overflow.(CVE-2026-15166)

DBS Etherwatch file parser crash in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service due to a stack-based buffer overflow.(CVE-2026-15167)

BLF file parser in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows possible information disclosure(CVE-2026-15168)

UMTS FP protocol dissector crash in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service via a heap-based buffer overflow.(CVE-2026-15169)

Z39.50 protocol dissector crash in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service due to a heap-based buffer overflow.(CVE-2026-15170)

A NULL pointer dereference vulnerability in the SSH protocol dissector of Wireshark versions 4.6.0 through 4.6.6 and 4.4.0 through 4.4.16 allows remote attackers to cause a denial of service via crafted traffic.(CVE-2026-15171)

FMP/NOTIFY protocol dissector crash in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service due to unchecked input for loop condition.(CVE-2026-15172)

A heap-based buffer overflow vulnerability in the Catapult DCT2000 protocol dissector in Wireshark 4.6.0 through 4.6.6 and 4.4.0 through 4.4.16 allows denial of service via a crafted packet or traffic capture file, causing the dissector to crash.(CVE-2026-15174)

Record
OESA-2026-3090
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
OSVOESA-2026-3091 7.5

wireshark security update

Wireshark allows you to examine protocol data stored in files or as it is captured from wired or wireless (WiFi or Bluetooth) networks, USB devices, and many other sources. It supports dozens of protocol capture file formats and understands more than a thousand protocols.

Security Fix(es):

Multiple protocol dissector infinite loops in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allow denial of service.(CVE-2026-15163)

Crash in ciscodump 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service due to a heap-based buffer overflow.(CVE-2026-15164)

IEEE 802.11 protocol dissector crash in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service due to a stack-based buffer overflow.(CVE-2026-15166)

DBS Etherwatch file parser crash in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service due to a stack-based buffer overflow.(CVE-2026-15167)

BLF file parser in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows possible information disclosure(CVE-2026-15168)

UMTS FP protocol dissector crash in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service via a heap-based buffer overflow.(CVE-2026-15169)

Z39.50 protocol dissector crash in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service due to a heap-based buffer overflow.(CVE-2026-15170)

A NULL pointer dereference vulnerability in the SSH protocol dissector of Wireshark versions 4.6.0 through 4.6.6 and 4.4.0 through 4.4.16 allows remote attackers to cause a denial of service via crafted traffic.(CVE-2026-15171)

FMP/NOTIFY protocol dissector crash in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service due to unchecked input for loop condition.(CVE-2026-15172)

A heap-based buffer overflow vulnerability in the Catapult DCT2000 protocol dissector in Wireshark 4.6.0 through 4.6.6 and 4.4.0 through 4.4.16 allows denial of service via a crafted packet or traffic capture file, causing the dissector to crash.(CVE-2026-15174)

Record
OESA-2026-3091
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
OSVOESA-2026-3092 7.5

wireshark security update

Wireshark allows you to examine protocol data stored in files or as it is captured from wired or wireless (WiFi or Bluetooth) networks, USB devices, and many other sources. It supports dozens of protocol capture file formats and understands more than a thousand protocols.

Security Fix(es):

Multiple protocol dissector infinite loops in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allow denial of service.(CVE-2026-15163)

Crash in ciscodump 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service due to a heap-based buffer overflow.(CVE-2026-15164)

IEEE 802.11 protocol dissector crash in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service due to a stack-based buffer overflow.(CVE-2026-15166)

DBS Etherwatch file parser crash in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service due to a stack-based buffer overflow.(CVE-2026-15167)

BLF file parser in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows possible information disclosure(CVE-2026-15168)

UMTS FP protocol dissector crash in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service via a heap-based buffer overflow.(CVE-2026-15169)

Z39.50 protocol dissector crash in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service due to a heap-based buffer overflow.(CVE-2026-15170)

A NULL pointer dereference vulnerability in the SSH protocol dissector of Wireshark versions 4.6.0 through 4.6.6 and 4.4.0 through 4.4.16 allows remote attackers to cause a denial of service via crafted traffic.(CVE-2026-15171)

FMP/NOTIFY protocol dissector crash in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service due to unchecked input for loop condition.(CVE-2026-15172)

A heap-based buffer overflow vulnerability in the Catapult DCT2000 protocol dissector in Wireshark 4.6.0 through 4.6.6 and 4.4.0 through 4.4.16 allows denial of service via a crafted packet or traffic capture file, causing the dissector to crash.(CVE-2026-15174)

Record
OESA-2026-3092
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
OSVUBUNTU-CVE-2026-15166 5.5

IEEE 802.11 protocol dissector crash in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service

Record
UBUNTU-CVE-2026-15166
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-92138 No score

CVE-2026-15166 affecting package wireshark 4.4.7-2

IEEE 802.11 protocol dissector crash in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service

Record
AZL-92138
Updated
2026-11-05
OSVMGASA-2026-0465 No score

Updated wireshark package fixes security vulnerabilities

Loop with Unreachable Exit Condition ('Infinite Loop') in Wireshark. (CVE-2026-15163) Heap-based Buffer Overflow in ciscodump. (CVE-2026-15164) Heap-based Buffer Overflow in Wireshark. (CVE-2026-15165) Stack-based Buffer Overflow in Wireshark. (CVE-2026-15166) Stack-based Buffer Overflow in Wireshark. (CVE-2026-15167) Use of Uninitialized Variable in Wireshark. (CVE-2026-15168) Heap-based Buffer Overflow in Wireshark. (CVE-2026-15169) Heap-based Buffer Overflow in Wireshark. (CVE-2026-15170) NULL Pointer Dereference in Wireshark. (CVE-2026-15171) Unchecked Input for Loop Condition in Wireshark. (CVE-2026-15172) Heap-based Buffer Overflow in Wireshark. (CVE-2026-15173) Heap-based Buffer Overflow in Wireshark. (CVE-2026-15174)

Record
MGASA-2026-0465
Updated
2026-11-02
OSVopenSUSE-SU-2026:11460-1 No score

libwireshark19-4.6.7-3.1 on GA media

These are all security issues fixed in the libwireshark19-4.6.7-3.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2026:11460-1
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
OSVSUSE-SU-2026:3994-1 No score

Security update for wireshark

This update for wireshark fixes the following issues:

  • 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-2026:3994-1
Updated
2026-11-02
OSVSUSE-SU-2026:4077-1 No score

Security update for wireshark

This update for wireshark fixes the following issues:

  • 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-2026-15172: 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-2026:4077-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
wireshark
Alpine:v3.24
 4.4.0 up to 4.6.9-r0
4.6.9-r0
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 4.4.18-0+deb13u1, plus listed versions
4.4.13-0+deb13u14.4.14-0+deb13u14.4.15-0+deb13u14.4.16-0+deb13u14.4.7-14.4.8-0exp14.4.9-1
4.4.18-0+deb13u1
wireshark
Debian:14
 before 4.6.9-1, plus listed versions
4.4.7-14.4.8-0exp14.4.9-14.6.0-0exp14.6.0-1
Show 11 moreShow less
4.6.0~rc1-0exp14.6.0~rc1-0exp24.6.1-14.6.1-24.6.2-14.6.2-34.6.3-14.6.4-14.6.5-14.6.6-14.6.6-2
4.6.9-1
wireshark
Mageia:10
From an advisory covering 12 CVEs
 before 4.6.8-1.mga10
4.6.8-1.mga10
wireshark
openEuler:22.03-LTS-SP4
From an advisory covering 10 CVEs
 before 4.4.17-1.oe2203sp4
4.4.17-1.oe2203sp4
wireshark
openEuler:24.03-LTS-SP1
From an advisory covering 10 CVEs
 before 4.4.17-1.oe2403sp1
4.4.17-1.oe2403sp1
wireshark
openEuler:24.03-LTS-SP3
From an advisory covering 10 CVEs
 before 4.4.17-1.oe2403sp3
4.4.17-1.oe2403sp3
wireshark
openEuler:24.03-LTS-SP4
From an advisory covering 10 CVEs
 before 4.4.17-1.oe2403sp4
4.4.17-1.oe2403sp4
Show 25 moreShow less
Affected packages
PackageAffectedFixed
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
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
SUSE:Linux Enterprise Server 15 SP6-LTSS
From an advisory covering 10 CVEs
 before 4.2.14-150600.18.44.1
4.2.14-150600.18.44.1
wireshark
SUSE:Linux Enterprise Server for SAP Applications 15 SP6
From an advisory covering 10 CVEs
 before 4.2.14-150600.18.44.1
4.2.14-150600.18.44.1
wireshark
SUSE:Linux Enterprise High Performance Computing 15 SP4-ESPOS
From an advisory covering 9 CVEs
 before 3.6.24-150000.3.136.1
3.6.24-150000.3.136.1
wireshark
SUSE:Linux Enterprise High Performance Computing 15 SP4-LTSS
From an advisory covering 9 CVEs
 before 3.6.24-150000.3.136.1
3.6.24-150000.3.136.1
wireshark
SUSE:Linux Enterprise High Performance Computing 15 SP5-ESPOS
From an advisory covering 9 CVEs
 before 3.6.24-150000.3.136.1
3.6.24-150000.3.136.1
wireshark
SUSE:Linux Enterprise High Performance Computing 15 SP5-LTSS
From an advisory covering 9 CVEs
 before 3.6.24-150000.3.136.1
3.6.24-150000.3.136.1
wireshark
SUSE:Linux Enterprise Server 15 SP4-LTSS
From an advisory covering 9 CVEs
 before 3.6.24-150000.3.136.1
3.6.24-150000.3.136.1
wireshark
SUSE:Linux Enterprise Server 15 SP5-LTSS
From an advisory covering 9 CVEs
 before 3.6.24-150000.3.136.1
3.6.24-150000.3.136.1
wireshark
SUSE:Linux Enterprise Server for SAP Applications 15 SP4
From an advisory covering 9 CVEs
 before 3.6.24-150000.3.136.1
3.6.24-150000.3.136.1
wireshark
SUSE:Linux Enterprise Server for SAP Applications 15 SP5
From an advisory covering 9 CVEs
 before 3.6.24-150000.3.136.1
3.6.24-150000.3.136.1
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 13 CVEs
 before 4.6.7-3.1
4.6.7-3.1
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
affected, aliases, referencesOSV
factsOSV
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

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

In short

CVE-2026-15166 is a medium vulnerability (CVSS 5.5) in Wireshark, published July 8, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.14%, the 3rd percentile. Fixed in wireshark 4.6.9-r0.

References

Show 140 moreShow less
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Left out here: 1 version. The JSON record has them.

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