Description
The dissect_dsmcc_un_download function in epan/dissectors/packet-mpeg-dsmcc.c in the MPEG DSM-CC dissector in Wireshark 1.8.x before 1.8.7 uses an incorrect format string, which allows remote attackers to cause a denial of service (application crash) via a malformed packet.
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 | 1.8.7-1 | — |
| Debian 13 | wireshark | 1.8.7-1 | — |
| Debian 12 | wireshark | 1.8.7-1 | — |
| Debian 7 | wireshark | 1.8.2-5wheezy3 | DSA-2700-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | wireshark | 2.2.2-1.1 | openSUSE-SU-2024:10199-1 |
Advisories 2
- DSA-2700-1 wireshark - several Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2024:10199-1 wireshark-2.2.2-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
References
- 53425 third-party-advisory
- openSUSE-SU-2013:0911 vendor-advisory
- 54425 third-party-advisory
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=8481
- http://anonsvn.wireshark.org/viewvc?view=revision&revision=48332
- GLSA-201308-05 vendor-advisory
- openSUSE-SU-2013:1086 vendor-advisory
- http://anonsvn.wireshark.org/viewvc/trunk/epan/dissectors/packet-mpeg-dsmcc.c?r1=48332&r2=48331&pathrev=48332
- DSA-2700 vendor-advisory
- oval:org.mitre.oval:def:16751 vdb-entry signature
- openSUSE-SU-2013:0947 vendor-advisory
- http://www.wireshark.org/security/wnpa-sec-2013-28.html
- openSUSE-SU-2013:1084 vendor-advisory