CVE-2021-39517

NameCVE-2021-39517
DescriptionAn issue was discovered in libjpeg through 2020021. A NULL pointer dereference exists in the function BlockBitmapRequester::ReconstructUnsampled() located in blockbitmaprequester.cpp. It allows an attacker to cause Denial of Service.
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
libjpeg (PTS)bullseye0.0~git20210129.91985dc-1fixed
trixie, sid, bookworm0.0~git20220805.54ec643-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
libjpegsource(unstable)0.0~git20200925.f145908-1

Notes

https://github.com/thorfdbg/libjpeg/issues/33

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