Integer overflow in Exiv2
CVE-2021-31292
An integer overflow in CrwMap::encode0x1810 of Exiv2 0.27.3 allows attackers to trigger a heap-based buffer overflow and cause a denial of service (DOS) via crafted metadata.
Vulnerability class: Integer Overflow
EPSS: 0.026 (83.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Exiv2 — versions 0.27.3
- Debian Debian_linux — versions 9.0, 10.0
- Fedoraproject Fedora — versions 33, 34
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Exploit, Patch, Third Party Advisory, Issue Tracking)
- cve@mitre.org (vendor-advisory, Third Party Advisory)
- cve@mitre.org (vendor-advisory)
- cve@mitre.org (vendor-advisory)
- cve@mitre.org (mailing-list, Mailing List, Third Party Advisory)
- cve@mitre.org (vendor-advisory)
Frequently asked questions
- What is CVE-2021-31292?
- CVE-2021-31292 is a high-severity vulnerability in Exiv2, classified under Integer Overflow or Wraparound. CVSS score: 7.5/10. Published 2021-07-26.
- How severe is CVE-2021-31292?
- High severity. CVSS v3 base score is 7.5 out of 10.