CVE-2023-36377

HIGH
Published Jul 3, 20232y ago · Modified Jun 17, 20262w ago
7.8 CVSS 3.1
High
Find Similar
Published Jul 3, 2023 2y ago
Last Modified Jun 17, 2026 2w ago

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 Details

Base Score
7.8
Exploitability
1.8
Impact
5.9
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

No active exploitation signals — not in CISA KEV and no EPSS score yet.

Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-120

Affected Products 1

VendorProductVersionRange
osslsigncode_projectosslsigncode2.3any

References 4

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

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.