Description
X.org libFS 1.0.4 and earlier allows X servers to trigger allocation of insufficient memory and a buffer overflow via vectors related to an unexpected sign extension in the FSOpenServer function.
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 | libfs | 2:1.0.4-1+deb7u1 | — |
| Debian 13 | libfs | 2:1.0.4-1+deb7u1 | — |
| Debian 12 | libfs | 2:1.0.4-1+deb7u1 | — |
| Debian 7 | libfs | 2:1.0.4-1+deb7u1 | DSA-2687-1 |
| Debian 6.0 | libfs | 2:1.0.2-1+squeeze1 | DSA-2687-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | libFS | 1.0.7-1.8 | openSUSE-SU-2024:10068-1 |
Advisories 2
- DSA-2687-1 libfs - several Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2024:10068-1 libFS-devel-1.0.7-1.8 on GA media SUSE / openSUSE Security Updates · May 7, 2025
References
- DSA-2687 vendor-advisory
- USN-1853-1 vendor-advisory
- [oss-security] 20130523 Fwd: [ANNOUNCE] X.Org Security Advisory: Protocol handling issues in X Window System client libraries mailing-list
- 60130 vdb-entry
- http://www.x.org/wiki/Development/Security/Advisory-2013-05-23