Description
An out-of-bounds write vulnerability exists in the handling of the MXIT protocol in Pidgin. Specially crafted MXIT data sent via the server could cause memory corruption resulting in code execution.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Pidgin | Pidgin | 2.10.11 | — |
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 | pidgin | 2.11.0-1 | — |
| Debian 13 | pidgin | 2.11.0-1 | — |
| Debian 12 | pidgin | 2.11.0-1 | — |
| Debian 8 | pidgin | 2.11.0-0+deb8u1 | DSA-3620-1 |
| Debian 7 | pidgin | 2.10.10-1~deb7u2 | DLA-542-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | pidgin | 1:2.10.12-0ubuntu5.1 | — |
| Ubuntu 14.04 LTS | pidgin | 1:2.10.9-0ubuntu3.3 | USN-3031-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 11 SP4 | pidgin | 2.6.6-0.29.1 | SUSE-SU-2016:2416-1 |
Advisories 4
- USN-3031-1 pidgin vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- DLA-542-1 pidgin - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-3620-1 pidgin - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2016:2416-1 Security update for pidgin SUSE / openSUSE Security Updates · Feb 4, 2026
References
- 91335 vdb-entry
- http://www.pidgin.im/news/security/?id=104
- http://www.talosintelligence.com/reports/TALOS-2016-0139/
- DSA-3620 vendor-advisory
- GLSA-201701-38 vendor-advisory
- USN-3031-1 vendor-advisory