CVE-2021-20284

NameCVE-2021-20284
DescriptionA flaw was found in GNU Binutils 2.35.1, where there is a heap-based buffer overflow in _bfd_elf_slurp_secondary_reloc_section in elf.c due to the number of symbols not calculated correctly. 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)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
binutils (PTS)bullseye2.35.2-2vulnerable
bookworm2.40-2fixed
trixie, sid2.43.1-5fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
binutilssource(unstable)2.37-3unimportant

Notes

https://sourceware.org/bugzilla/show_bug.cgi?id=26931
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=f60742b2a1988d276c77d5c1011143f320d9b4cb
binutils not covered by security support
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