| Name | CVE-2026-93403 |
| Description | Stack-based Buffer Overflow in mmpstrucdata rsyslog plugin |
| 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) | bookworm | 8.2302.0-1+deb12u1 | vulnerable |
| trixie | 8.2504.0-1+deb13u2 | fixed |
| forky, sid | 8.2608.0-4 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| rsyslog | source | trixie | 8.2504.0-1+deb13u2 | | | |
| rsyslog | source | (unstable) | 8.2606.0-4 | | | |
Notes
https://github.com/rsyslog/rsyslog/security/advisories/GHSA-2whq-6rcm-64m8
Fixed in major cleanup and refactoring of mmpstrucdata:
https://github.com/rsyslog/rsyslog/pull/6991
Fixed by: https://github.com/rsyslog/rsyslog/commit/bcda60a3692efdf0c8e44102528f5a0ebe0dec6d (v8.2606.0)