Description
msg.c in the MSN protocol plugin in libpurple in Pidgin before 2.10.4 does not properly handle crafted characters, which allows remote servers to cause a denial of service (application crash) by placing these characters in a text/plain message.
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 | 2.10.4-1 | — |
| Debian 13 | pidgin | 2.10.4-1 | — |
| Debian 12 | pidgin | 2.10.4-1 | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 6 | finch +9 | 2.7.9-5.el6.2 | RHSA-2012:1102 |
| RHEL 5 | finch +8 | 2.6.6-11.el5.4 | RHSA-2012:1102 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Rhel Productivity 5 | finch +8 | 2.6.6-11.el5.4 | RHSA-2012:1102 |
Advisories 1
- RHSA-2012:1102 Red Hat Security Advisory: pidgin security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
References
- 53400 vdb-entry
- http://hg.pidgin.im/pidgin/main/rev/4d6bcb4f4ea4
- http://pidgin.im/news/security/?id=63
- MDVSA-2012:082 vendor-advisory
- oval:org.mitre.oval:def:17448 vdb-entry signature
- 50005 third-party-advisory
- openSUSE-SU-2012:0866 vendor-advisory
- RHSA-2012:1102 vendor-advisory