Description
Buffer Overflow vulnerability in mtrojnar osslsigncode v.2.3 and before allows a local attacker to execute arbitrary code via a crafted .exe, .sys, and .dll files.
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 | osslsigncode | 2.3.0-1 | — |
| Debian 13 | osslsigncode | 2.3.0-1 | — |
| Debian 12 | osslsigncode | 2.3.0-1 | — |
| Debian 11 | osslsigncode | 2.5-4~deb11u1 | DLA-4426-1 |
| Debian 10 | osslsigncode | 2.0+really2.5-4+deb10u1 | DLA-3693-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 22.04 LTS | osslsigncode | No fix yet | — |
| Ubuntu 20.04 LTS | osslsigncode | No fix yet | — |
| Ubuntu 18.04 LTS | osslsigncode | No fix yet | — |
| Ubuntu 16.04 LTS | osslsigncode | No fix yet | — |
Advisories 2
- DLA-3693-1 osslsigncode - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-4426-1 osslsigncode - security update Debian Security (DSA / DLA) · Dec 30, 2025