CVE-2019-20421

HIGH

Exiv2 - Infinite Loop

Title source: rule
STIX 2.1

Description

In Jp2Image::readMetadata() in jp2image.cpp in Exiv2 0.27.2, an input file can result in an infinite loop and hang, with high CPU consumption. Remote attackers could leverage this vulnerability to cause a denial of service via a crafted file.

References (5)

Core 5
Core References
Exploit, Patch, Third Party Advisory x_refsource_misc
https://github.com/Exiv2/exiv2/issues/1011
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/4270-1/
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2021/dsa-4958
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2021/08/msg00028.html

Scores

CVSS v3 7.5
EPSS 0.0307
EPSS Percentile 86.8%
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-835
Status published
Products (6)
canonical/ubuntu_linux 16.04
canonical/ubuntu_linux 18.04
canonical/ubuntu_linux 19.10
debian/debian_linux 9.0
debian/debian_linux 10.0
exiv2/exiv2 0.27.2
Published Jan 27, 2020
Tracked Since Feb 18, 2026