CVE-2021-31292

HIGH7.5EPSS 0.55%

Published: 7/26/2021Modified: 4/28/2026

Description

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.

Affected packages (2)

Debian/exiv2from 0, < 0.27.3-3+deb11u1
PyPI/exiv2from 0

CVSS scores

Source	Version	Severity	Vector
osv	CVSS 3.1	HIGH7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References (6)

ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2021-31292
ADVISORYhttps://www.debian.org/security/2021/dsa-4958
PATCHhttps://github.com/Exiv2/exiv2/issues/1530
WEBhttps://lists.debian.org/debian-lts-announce/2021/08/msg00028.html
WEBhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FMDT4PJB7P43WSOM3TRQIY3J33BAFVVE/
WEBhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UYGDELIFFJWKUU7SO3QATCIXCZJERGAC/