CVE-2017-17669

There is a heap-based buffer over-read in the Exiv2::Internal::PngChunk::keyTXTChunk function of pngchunk_int.cpp in Exiv2 0.26. A crafted PNG file will lead to a remote denial of service attack.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5.5 MEDIUM
LOCAL
LOW
NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
mitreCNA
---
---
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 35%
VendorProductVersion
exiv2exiv2
0.26
canonicalubuntu_linux
14.04
canonicalubuntu_linux
16.04
canonicalubuntu_linux
18.04
canonicalubuntu_linux
18.10
debiandebian_linux
10.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
exiv2
bullseye
0.27.3-3+deb11u2
fixed
stretch
ignored
jessie
ignored
wheezy
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
cosmic
Fixed 0.25-4ubuntu0.1
released
bionic
Fixed 0.25-3.1ubuntu0.18.04.2
released
artful
ignored
zesty
ignored
xenial
Fixed 0.25-2.1ubuntu16.04.3
released
trusty
Fixed 0.23-1ubuntu2.2
released
Common Weakness Enumeration
References
https://github.com/Exiv2/exiv2/issues/187
https://lists.debian.org/debian-lts-announce/2023/01/msg00004.html
https://usn.ubuntu.com/3852-1/
https://github.com/Exiv2/exiv2/issues/187
https://lists.debian.org/debian-lts-announce/2023/01/msg00004.html
https://usn.ubuntu.com/3852-1/