| Name | CVE-2026-61548 |
| Description | rsyslog mmpstrucdata stack overflow |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| rsyslog (PTS) | bullseye, bullseye (security) | 8.2102.0-2+deb11u1 | vulnerable |
| bookworm | 8.2302.0-1+deb12u1 | vulnerable |
| trixie | 8.2504.0-1 | vulnerable |
| forky, sid | 8.2606.0-4 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| rsyslog | source | (unstable) | 8.2606.0-4 | | | |
Notes
[trixie] - rsyslog <no-dsa> (Minor issue; can be fixed in a point release)
https://www.openwall.com/lists/oss-security/2026/07/20/1
https://github.com/rsyslog/rsyslog/security/advisories/GHSA-8qmr-c66f-g368
Fixed in major cleanup and refactoring of mmpstrucdata:
https://github.com/rsyslog/rsyslog/pull/6991