CVE-2020-27824

NameCVE-2020-27824
DescriptionA flaw was found in OpenJPEG’s encoder in the opj_dwt_calc_explicit_stepsizes() function. This flaw allows an attacker who can supply crafted input to decomposition levels to cause a buffer overflow. The highest threat from this vulnerability is to system availability.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-2550-1, DSA-4882-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
openjpeg2 (PTS)bullseye2.4.0-3fixed
sid, trixie, bookworm2.5.0-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
openjpeg2sourcestretch2.1.2-1.1+deb9u6DLA-2550-1
openjpeg2sourcebuster2.3.0-2+deb10u2DSA-4882-1
openjpeg2source(unstable)2.4.0-1

Notes

https://github.com/uclouvain/openjpeg/issues/1286
https://github.com/uclouvain/openjpeg/commit/6daf5f3e1ec6eff03b7982889874a3de6617db8d (v2.4.0)

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