Description
The msn_oim_report_to_user function in oim.c in the MSN protocol plugin in libpurple in Pidgin before 2.10.2 allows remote servers to cause a denial of service (application crash) via an OIM message that lacks UTF-8 encoding.
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 | 2.10.2-1 | — |
| Debian 13 | pidgin | 2.10.2-1 | — |
| Debian 12 | pidgin | 2.10.2-1 | — |
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
- oval:org.mitre.oval:def:18019 vdb-entry signature
- http://developer.pidgin.im/ticket/14884
- http://pidgin.im/news/security/?id=61
- MDVSA-2012:029 vendor-advisory
- 52475 vdb-entry
- http://developer.pidgin.im/viewmtn/revision/info/3053d6a37cc6d8774aba7607b992a4408216adcd
- 50005 third-party-advisory
- RHSA-2012:1102 vendor-advisory
- http://developer.pidgin.im/viewmtn/revision/diff/60f8379d0a610538cf42e0dd9ab1436c8b9308cd/with/3053d6a37cc6d8774aba7607b992a4408216adcd/libpurple/protocols/msn/oim.c