VulnerabilityModified
CVE-2023-36377
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.
HIGH 7.8EPSS 0.30%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.30%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.30% probability · 23th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-120
- Affected
- osslsigncode project/osslsigncode
- Source
- cve@mitre.org
References
- https://github.com/mtrojnar/osslsigncode/compare/2.2...2.3Release Notes
- https://github.com/mtrojnar/osslsigncode/releases/tag/2.3Release Notes
- https://lists.debian.org/debian-lts-announce/2023/12/msg00016.html
- https://github.com/mtrojnar/osslsigncode/compare/2.2...2.3Release Notes
- https://github.com/mtrojnar/osslsigncode/releases/tag/2.3Release Notes
- https://lists.debian.org/debian-lts-announce/2023/12/msg00016.html
- https://lists.debian.org/debian-lts-announce/2025/12/msg00037.html
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.