Description
libgadu before 1.8.2 allows remote servers to cause a denial of service (crash) via a contact description with a large length, which triggers a buffer over-read.
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 | libgadu | 1:1.8.0+r592-3 | — |
| Debian 13 | libgadu | 1:1.8.0+r592-3 | — |
| Debian 12 | libgadu | 1:1.8.0+r592-3 | — |
| Debian 4.0 | ekg | 1:1.7~rc2-1etch2 | DSA-1664-1 |
Advisories 1
- DSA-1664-1 ekg - denial of service Debian Security (DSA / DLA) · Mar 9, 2026
References
- [libgadu-devel] 20081024 libgadu 1.8.2 mailing-list
- DSA-1664 vendor-advisory
- SUSE-SR:2008:023 vendor-advisory
- USN-692-1 vendor-advisory
- 31951 vdb-entry
- libgadu-contactdescription-bo(46158) vdb-entry
- https://bugzilla.redhat.com/show_bug.cgi?id=468830