Integer overflow in Gnupg Libksba
CVE-2022-47629
Libksba before 1.6.3 is prone to an integer overflow vulnerability in the CRL signature parser.
Vulnerability class: Integer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.015 (74.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 74th percentile — 74.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000
Affected products
- Gnupg Libksba
- Debian Linux — versions 10.0, 11.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- git.gnupg.org/cgi-bin/gitweb.cgi
- dev.gnupg.org/T6284 (Patch, Third Party Advisory)
- www.debian.org/security/2022/dsa-5305 (vendor-advisory, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2022/12/msg00035.html (mailing-list, Mailing List, Third Party Advisory)
- security.gentoo.org/glsa/202212-07 (vendor-advisory, Third Party Advisory)
- security.netapp.com/advisory/ntap-20230316-0011/
Frequently asked questions
- What is CVE-2022-47629?
- CVE-2022-47629 is a critical-severity vulnerability in Gnupg Libksba, classified under Integer Overflow or Wraparound. CVSS score: 9.8/10. Published 2022-12-20.
- How severe is CVE-2022-47629?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2022-47629 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.