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Vulnerability record · CVE-2023-36377 · published 3 July 2023

CVE-2023-36377: Osslsigncode project osslsigncode classic buffer overflow vulnerability

OOsslsigncode Project · Osslsigncode

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.

7.8 CVSS 3.1 High EPSS 0.30% · top 79.7% CWE-120 · Classic buffer overflow
7.8CVSS 3.1 base score
0.30%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
7References
17 Jun 2026Last modified by NVD

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/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/mtrojnar/osslsigncode/compare/2.2...2.3 Release Notes
https://github.com/mtrojnar/osslsigncode/releases/tag/2.3 Release Notes
https://lists.debian.org/debian-lts-announce/2023/12/msg00016.html
https://github.com/mtrojnar/osslsigncode/compare/2.2...2.3 Release Notes
https://github.com/mtrojnar/osslsigncode/releases/tag/2.3 Release Notes
https://lists.debian.org/debian-lts-announce/2023/12/msg00016.html
https://lists.debian.org/debian-lts-announce/2025/12/msg00037.html

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2023-36377), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.