CVE-2020-27823

NameCVE-2020-27823
DescriptionA flaw was found in OpenJPEG’s encoder. This flaw allows an attacker to pass specially crafted x,y offset input to OpenJPEG to use during encoding. The highest threat from this vulnerability is to confidentiality, integrity, as well as 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)jessie, jessie (lts)2.1.0-2+deb8u14fixed
stretch (security), stretch (lts), stretch2.1.2-1.1+deb9u7fixed
buster, buster (security)2.3.0-2+deb10u2fixed
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
openjpeg2sourcejessie(not affected)
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/1284
https://github.com/uclouvain/openjpeg/commit/b2072402b7e14d22bba6fb8cde2a1e9996e9a919 (v2.4.0)
[jessie] - openjpeg2 <not-affected> (Vulnerable code introduced later)

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