CVE-2019-20421

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.
Infinite Loop
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
mitreCNA
---
---
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 82%
VendorProductVersion
exiv2exiv2
0.27.2
canonicalubuntu_linux
16.04
canonicalubuntu_linux
18.04
canonicalubuntu_linux
19.10
debiandebian_linux
9.0
debiandebian_linux
10.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
exiv2
bullseye
0.27.3-3+deb11u2
fixed
jessie
ignored
bullseye (security)
0.27.3-3+deb11u1
fixed
bookworm
0.27.6-1
fixed
sid
0.28.3+dfsg-2
fixed
trixie
0.28.3+dfsg-2
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
exiv2
eoan
Fixed 0.25-4ubuntu2.2
released
bionic
Fixed 0.25-3.1ubuntu0.18.04.5
released
xenial
Fixed 0.25-2.1ubuntu16.04.6
released
trusty
dne
Common Weakness Enumeration
References
https://github.com/Exiv2/exiv2/commit/a82098f4f90cd86297131b5663c3dec6a34470e8
https://github.com/Exiv2/exiv2/issues/1011
https://lists.debian.org/debian-lts-announce/2021/08/msg00028.html
https://usn.ubuntu.com/4270-1/
https://www.debian.org/security/2021/dsa-4958
https://github.com/Exiv2/exiv2/commit/a82098f4f90cd86297131b5663c3dec6a34470e8
https://github.com/Exiv2/exiv2/issues/1011
https://lists.debian.org/debian-lts-announce/2021/08/msg00028.html
https://usn.ubuntu.com/4270-1/
https://www.debian.org/security/2021/dsa-4958