CVE-2018-7648

NameCVE-2018-7648
DescriptionAn issue was discovered in mj2/opj_mj2_extract.c in OpenJPEG 2.3.0. The output prefix was not checked for length, which could overflow a buffer, when providing a prefix with 50 or more characters on the command line.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severityhigh

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
openjpeg2 (PTS)jessie2.1.0-2+deb8u3vulnerable
jessie (security)2.1.0-2+deb8u8vulnerable
stretch (security), stretch2.1.2-1.1+deb9u3vulnerable
buster2.3.0-2vulnerable
bullseye, sid2.3.1-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
openjpeg2source(unstable)2.3.1-1unimportant

Notes

https://github.com/uclouvain/openjpeg/commit/cc3824767bde397fedb8a1ae4786a222ba860c8d
https://github.com/uclouvain/openjpeg/issues/1088
The Debian package is built with -DBUILD_MJ2:BOOL=OFF

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