CVE-2020-35493

NameCVE-2020-35493
DescriptionA flaw exists in binutils in bfd/pef.c. An attacker who is able to submit a crafted PEF file to be parsed by objdump could cause a heap buffer overflow -> out-of-bounds read that could lead to an impact to application availability. This flaw affects binutils versions prior to 2.34.
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
binutils (PTS)jessie, jessie (lts)2.25-5+deb8u2vulnerable
stretch (lts), stretch2.28-5+deb9u1vulnerable
buster, buster (lts)2.31.1-16+deb10u1vulnerable
bullseye2.35.2-2fixed
bookworm2.40-2fixed
trixie2.43.50.20241215-1fixed
sid2.43.50.20241221-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
binutilssource(unstable)2.33.50.20200107-1unimportant

Notes

https://sourceware.org/bugzilla/show_bug.cgi?id=25307
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=f2a3559d54602cecfec6d90f792be4a70ad918ab
binutils not covered by security support

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