CVE-2024-2955

Mismatched Memory Management Routines in Wireshark

7.8 HighFix available

T.38 dissector crash in Wireshark 4.2.0 to 4.0.3 and 4.0.0 to 4.0.13 allows denial of service via packet injection or crafted capture file

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: High
Integrity: High
Availability: High

Exploit likelihood

1.40%Up 1.4 points since Mar 27, 2024

What each source reports

CVE List Score used 7.8

Mismatched Memory Management Routines in Wireshark

T.38 dissector crash in Wireshark 4.2.0 to 4.0.3 and 4.0.0 to 4.0.13 allows denial of service via packet injection or crafted capture file

Record: CVE-2024-2955
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness: CWE-762
Updated: 2026-11-02

EUVDEUVD-2024-27896 7.8

T.38 dissector crash in Wireshark 4.2.0 to 4.0.3 and 4.0.0 to 4.0.13 allows denial of service via packet injection or crafted capture file

Record: EUVD-2024-27896
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

GitHub AdvisoriesGHSA-gc85-62pw-52fp 7.8

T.38 dissector crash in Wireshark 4.2.0 to 4.0.3 and 4.0.0 to 4.0.13 allows denial of service via...

T.38 dissector crash in Wireshark 4.2.0 to 4.0.3 and 4.0.0 to 4.0.13 allows denial of service via packet injection or crafted capture file

Record: GHSA-gc85-62pw-52fp
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness: CWE-762, CWE-763
Updated: 2026-11-02

NVD 7.8

T.38 dissector crash in Wireshark 4.2.0 to 4.0.3 and 4.0.0 to 4.0.13 allows denial of service via packet injection or crafted capture file

Record: CVE-2024-2955
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/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-762, CWE-763
Updated: 2026-11-02

OSVALPINE-CVE-2024-2955 7.5

T.38 dissector crash in Wireshark 4.2.0 to 4.0.3 and 4.0.0 to 4.0.13 allows denial of service via packet injection or crafted capture file

Record: ALPINE-CVE-2024-2955
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: 2026-11-03

OSV 7.8

Mismatched Memory Management Routines in Wireshark

T.38 dissector crash in Wireshark 4.2.0 to 4.0.3 and 4.0.0 to 4.0.13 allows denial of service via packet injection or crafted capture file

Record: CVE-2024-2955
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness: CWE-762
Updated: 2026-11-02

Show 9 moreShow less

OSVDEBIAN-CVE-2024-2955 7.5

T.38 dissector crash in Wireshark 4.2.0 to 4.0.3 and 4.0.0 to 4.0.13 allows denial of service via packet injection or crafted capture file

Record: DEBIAN-CVE-2024-2955
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-2024-2955 7.8

T.38 dissector crash in Wireshark 4.2.0 to 4.0.3 and 4.0.0 to 4.0.13 allows denial of service via packet injection or crafted capture file

Record: UBUNTU-CVE-2024-2955
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/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-42523 No score

CVE-2024-2955 affecting package wireshark 4.0.8-1

T.38 dissector crash in Wireshark 4.2.0 to 4.0.3 and 4.0.0 to 4.0.13 allows denial of service via packet injection or crafted capture file

Record: AZL-42523
Updated: 2026-11-02

OSVAZL-42549 No score

CVE-2024-2955 affecting package wireshark for versions less than 4.4.7-1

T.38 dissector crash in Wireshark 4.2.0 to 4.0.3 and 4.0.0 to 4.0.13 allows denial of service via packet injection or crafted capture file

Record: AZL-42549
Updated: 2026-11-02

OSVCLSA-2026-1775032927 No score

wireshark: Fix of 11 CVEs

CVE-2023-6175: fix heap buffer overflow in NetScreen file parser
CVE-2024-0208: fix crash in GVCP dissector due to NULL string
CVE-2024-0209: fix uncontrolled recursion in ASN.1 dissectors
CVE-2024-0211: fix infinite loop in DOCSIS dissector
CVE-2024-2955: fix use-after-free in T.38 dissector
CVE-2024-8250: fix stack buffer overflow in NTLMSSP dissector
CVE-2024-9781: fix crash in AppleTalk and RELOAD Framing dissectors
CVE-2024-11596: fix buffer overflow in ECMP dissector
CVE-2024-24476: fix heap buffer overflow in address resolution
CVE-2024-24478: fix integer overflow in BGP dissector
CVE-2025-5601: fix crash in column prepend fence handling

Record: CLSA-2026-1775032927
Updated: 2026-11-02

OSVCLSA-2026-1775039763 No score

wireshark: Fix of 11 CVEs

CVE-2023-6175: fix heap buffer overflow in NetScreen file parser
CVE-2024-0208: fix crash in GVCP dissector due to NULL string
CVE-2024-0209: fix uncontrolled recursion in ASN.1 dissectors
CVE-2024-0211: fix infinite loop in DOCSIS dissector
CVE-2024-2955: fix use-after-free in T.38 dissector
CVE-2024-8250: fix stack buffer overflow in NTLMSSP dissector
CVE-2024-9781: fix crash in AppleTalk and RELOAD Framing dissectors
CVE-2024-11596: fix buffer overflow in ECMP dissector
CVE-2024-24476: fix heap buffer overflow in address resolution
CVE-2024-24478: fix integer overflow in BGP dissector
CVE-2025-5601: fix crash in column prepend fence handling

Record: CLSA-2026-1775039763
Updated: 2026-11-02

OSVMGASA-2024-0149 No score

Updated wireshark packages fix security vulnerability

T.38 dissector crash in Wireshark 4.2.0 to 4.0.3 and 4.0.0 to 4.0.13 allows denial of service via packet injection or crafted capture file. (CVE-2024-2955)

Record: MGASA-2024-0149
Updated: 2026-11-02

OSVopenSUSE-SU-2024:13809-1 No score

libwireshark17-4.2.4-1.1 on GA media

These are all security issues fixed in the libwireshark17-4.2.4-1.1 package on the GA media of openSUSE Tumbleweed.

Record: openSUSE-SU-2024:13809-1
Updated: 2026-11-02

OSVSUSE-SU-2024:3165-1 No score

Security update for wireshark

This update for wireshark fixes the following issues:

wireshark was updated from version 3.6.23 to version 4.2.6 (jsc#PED-8517):

Security issues fixed with this update:
- CVE-2024-0207: HTTP3 dissector crash (bsc#1218503)
- CVE-2024-0210: Zigbee TLV dissector crash (bsc#1218506)
- CVE-2024-0211: DOCSIS dissector crash (bsc#1218507)
- CVE-2023-6174: Fixed SSH dissector crash (bsc#1217247)
- CVE-2023-6175: NetScreen file parser crash (bsc#1217272)
- CVE-2023-5371: RTPS dissector memory leak (bsc#1215959)
- CVE-2023-3649: iSCSI dissector crash (bsc#1213318)
- CVE-2023-2854: BLF file parser crash (bsc#1211708)
- CVE-2023-0666: RTPS dissector crash (bsc#1211709)
- CVE-2023-0414: EAP dissector crash (bsc#1207666)
Major changes introduced with versions 4.2.0 and 4.0.0:
- Version 4.2.0 https://www.wireshark.org/docs/relnotes/wireshark-4.2.0.html
- Version 4.0.0 https://www.wireshark.org/docs/relnotes/wireshark-4.0.0.html
Added an aditional desktopfile to start wireshark which asks for the super user password.

Record: SUSE-SU-2024:3165-1
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`wireshark` Alpine:v3.19	4.0.0 up to 4.0.14-r0	4.0.14-r0
`wireshark` Alpine:v3.20	4.0.0 up to 4.2.4-r0	4.2.4-r0
`wireshark` Alpine:v3.21	4.0.0 up to 4.2.4-r0	4.2.4-r0
`wireshark` Alpine:v3.22	4.0.0 up to 4.2.4-r0	4.2.4-r0
`wireshark` Alpine:v3.23	4.0.0 up to 4.2.4-r0	4.2.4-r0
`wireshark` Alpine:v3.24	4.0.0 up to 4.2.4-r0	4.2.4-r0
`wireshark` Azure Linux:2	through 4.0.8-1	None known
`wireshark` Azure Linux:3	before 4.4.7-1	4.4.7-1
`wireshark` TuxCare:AlmaLinux:9.6 From an advisory covering 11 CVEs	before 1:3.4.10-7.el9_6.tuxcare.els2	1:3.4.10-7.el9_6.tuxcare.els2
`wireshark-cli` TuxCare:AlmaLinux:9.6 From an advisory covering 11 CVEs	before 1:3.4.10-7.el9_6.tuxcare.els2	1:3.4.10-7.el9_6.tuxcare.els2

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Affected packages
Package	Affected	Fixed
`wireshark-devel` TuxCare:AlmaLinux:9.6 From an advisory covering 11 CVEs	before 1:3.4.10-7.el9_6.tuxcare.els2	1:3.4.10-7.el9_6.tuxcare.els2
`wireshark` TuxCare:AlmaLinux:9.2 From an advisory covering 11 CVEs	before 1:3.4.10-4.el9.tuxcare.els3	1:3.4.10-4.el9.tuxcare.els3
`wireshark-cli` TuxCare:AlmaLinux:9.2 From an advisory covering 11 CVEs	before 1:3.4.10-4.el9.tuxcare.els3	1:3.4.10-4.el9.tuxcare.els3
`wireshark-devel` TuxCare:AlmaLinux:9.2 From an advisory covering 11 CVEs	before 1:3.4.10-4.el9.tuxcare.els3	1:3.4.10-4.el9.tuxcare.els3
`wireshark` Debian:12	before 4.0.17-0+deb12u1, plus listed versions 4.0.10-14.0.11-14.0.11-1~deb12u14.0.3-14.0.5-1~exp1 Show 5 moreShow less 4.0.6-14.0.6-1~deb12u14.0.6-1~exp14.0.7-14.0.8-1	4.0.17-0+deb12u1
`wireshark` Debian:13	before 4.2.4-1	4.2.4-1
`wireshark` Debian:14	before 4.2.4-1	4.2.4-1
`wireshark` Debian:11 From an advisory covering 47 CVEs	before 3.4.16-0+deb11u1, plus listed versions 3.4.10-0+deb11u13.4.4-13.4.6-1~exp13.4.7-13.4.7-1~exp13.4.8-13.4.9-1	3.4.16-0+deb11u1
`wireshark` Mageia:9	before 4.0.14-1.mga9	4.0.14-1.mga9
`wireshark` SUSE:Linux Enterprise Module for Basesystem 15 SP6 From an advisory covering 11 CVEs	before 4.2.6-150600.18.6.1	4.2.6-150600.18.6.1
`wireshark` SUSE:Linux Enterprise Module for Desktop Applications 15 SP6 From an advisory covering 11 CVEs	before 4.2.6-150600.18.6.1	4.2.6-150600.18.6.1
`wireshark` openSUSE:Leap 15.6 From an advisory covering 11 CVEs	before 4.2.6-150600.18.6.1	4.2.6-150600.18.6.1
`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` openSUSE:Tumbleweed	before 4.2.4-1.1	4.2.4-1.1

History

History
Recorded	Changed	Sources
Nov 6, 2026	affected, facts
Nov 3, 2026	affected, aliases, references	OSV
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, OSV

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

In short

CVE-2024-2955 is a high vulnerability (CVSS 7.8) in Wireshark, published March 26, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.40%, the 72nd percentile. Fixed in wireshark 4.0.14-r0.

References

Show 33 moreShow less