Description
Multiple memory corruption vulnerabilities exist in the handling of the MXIT protocol in Pidgin. Specially crafted MXIT data sent via the server could result in multiple buffer overflows, potentially resulting in code execution or memory disclosure.
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 |
Advisories 3
- 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
References
- 91335 vdb-entry
- http://www.pidgin.im/news/security/?id=101
- DSA-3620 vendor-advisory
- http://www.talosintelligence.com/reports/TALOS-2016-0136/
- GLSA-201701-38 vendor-advisory
- USN-3031-1 vendor-advisory