CVE-2021-31292
HIGHexiv2 0.27.3 - Denial of Service via Integer Overflow in CrwMap::encode0x1810
Title source: llmDescription
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.
References (6)
Core 6
Core References
Third Party Advisory vendor-advisory
https://www.debian.org/security/2021/dsa-4958
Mailing List, Third Party Advisory vendor-advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FMDT4PJB7P43WSOM3TRQIY3J33BAFVVE/
Mailing List, Third Party Advisory vendor-advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UYGDELIFFJWKUU7SO3QATCIXCZJERGAC/
Mailing List, Third Party Advisory mailing-list
https://lists.debian.org/debian-lts-announce/2021/08/msg00028.html
Third Party Advisory vendor-advisory
https://security.gentoo.org/glsa/202312-06
Exploit, Issue Tracking, Patch, Third Party Advisory
https://github.com/Exiv2/exiv2/issues/1530
Scores
CVSS v3
7.5
EPSS
0.0055
EPSS Percentile
68.3%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-190
Status
published
Products (5)
debian/debian_linux
9.0
debian/debian_linux
10.0
exiv2/exiv2
0.27.3
fedoraproject/fedora
33
fedoraproject/fedora
34
Published
Jul 26, 2021
Tracked Since
Feb 18, 2026