CVE-2022-47629

CRITICAL
Published Dec 20, 20223y ago · Modified Jun 17, 20262w ago
9.8 CVSS 3.1
Critical
Find Similar
Published Dec 20, 2022 3y ago
Last Modified Jun 17, 2026 2w ago

Description

Libksba before 1.6.3 is prone to an integer overflow vulnerability in the CRL signature parser.

CVSS Details

Base Score
9.8
Exploitability
3.9
Impact
5.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
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
Patch Available

Weaknesses 1

CWE-190 Integer Overflow or Wraparound Numeric Error

Affected Products 3

VendorProductVersionRange
gnupglibksba* <1.6.3
debiandebian_linux10.0any
debiandebian_linux11.0any

References 6

  • dev.gnupg.org https://dev.gnupg.org/T6284
    PatchThird Party Advisory
  • git.gnupg.org https://git.gnupg.org/cgi-bin/gitweb.cgi?p=libksba.git%3Ba=commit%3Bh=f61a5ea4e0f6a80fd4b28ef0174bee77793cf070
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2022/12/msg00035.html
    Mailing ListThird Party Advisory
  • security.gentoo.org https://security.gentoo.org/glsa/202212-07
    Third Party Advisory
  • security.netapp.com https://security.netapp.com/advisory/ntap-20230316-0011/
  • debian.org https://www.debian.org/security/2022/dsa-5305
    Third Party Advisory

Remediation

  • dev.gnupg.org https://dev.gnupg.org/T6284
    PatchThird Party Advisory