CVE-2020-35448

NameCVE-2020-35448
DescriptionAn issue was discovered in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.35.1. A heap-based buffer over-read can occur in bfd_getl_signed_32 in libbfd.c because sh_entsize is not validated in _bfd_elf_slurp_secondary_reloc_section in elf.c.
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=26574
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=8642dafaef21aa6747cec01df1977e9c52eb4679
binutils not covered by security support

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