Description
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
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Wireshark Foundation | Wireshark | 4.2.0 – < 4.2.4, 4.0.0 – < 4.0.14 | 4.2.4 |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | wireshark | 4.2.4-1 | — |
| Debian 13 | wireshark | 4.2.4-1 | — |
| Debian 12 | wireshark | 4.0.17-0+deb12u1 | — |
| Debian 11 | wireshark | 3.4.16-0+deb11u1 | DLA-3906-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | wireshark | No fix yet | — |
Show 5 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 22.04 LTS | wireshark | No fix yet | — |
| Ubuntu Pro 20.04 LTS | wireshark | No fix yet | — |
| Ubuntu Pro 18.04 LTS | wireshark | No fix yet | — |
| Ubuntu Pro 16.04 LTS | wireshark | No fix yet | — |
| Ubuntu Pro 14.04 LTS | wireshark | No fix yet | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP6 | wireshark | 4.2.6-150600.18.6.1 | SUSE-SU-2024:3165-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | wireshark | 4.2.4-1.1 | openSUSE-SU-2024:13809-1 |
| openSUSE Leap 15.6 | wireshark | 4.2.6-150600.18.6.1 | SUSE-SU-2024:3165-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | wireshark | 4.2.4-r0 | — |
| Alpine v3.23 | wireshark | 4.2.4-r0 | — |
| Alpine v3.22 | wireshark | 4.2.4-r0 | — |
| Alpine v3.21 | wireshark | 4.2.4-r0 | — |
| Alpine v3.20 | wireshark | 4.2.4-r0 | — |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | wireshark | 4.0.14-r0 | — |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | wireshark-cli +1 | 1:4.0.8-2.amzn2023.0.6 | ALAS2023-2024-590 |
| Amazon Linux 2 | wireshark +2 | 1:2.6.2-15.amzn2.0.9 | ALAS2-2024-2522 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | wireshark | 4.4.7-1 | — |
| Azure Linux 2 (CBL-Mariner) | wireshark | No fix yet | — |
Advisories 6
- DLA-3906-1 wireshark - security update Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2024:13809-1 libwireshark17-4.2.4-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:3165-1 Security update for wireshark SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2024-0727 Wireshark: Schwachstelle ermöglicht Denial of Service BSI CERT-Bund (WID) · Nov 21, 2024
- ALAS2023-2024-590 Moderate: wireshark security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Apr 25, 2024
- ALAS2-2024-2522 Moderate: wireshark security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Apr 24, 2024