CVE-2020-18773

NameCVE-2020-18773
DescriptionAn invalid memory access in the decode function in iptc.cpp of Exiv2 0.27.99.0 allows attackers to cause a denial of service (DOS) via a crafted tif file.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
exiv2 (PTS)jessie, jessie (lts)0.24-4.1+deb8u7vulnerable
stretch (security)0.25-3.1+deb9u3vulnerable
stretch (lts), stretch0.25-3.1+deb9u4vulnerable
buster0.25-4+deb10u2vulnerable
buster (security)0.25-4+deb10u4vulnerable
bullseye0.27.3-3+deb11u2vulnerable
bullseye (security)0.27.3-3+deb11u1vulnerable
sid, trixie, bookworm0.27.6-1vulnerable

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
exiv2source(unstable)(unfixed)unimportant

Notes

https://github.com/Exiv2/exiv2/issues/760
Negligible security impact

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