Candidate: CVE-2021-20284
PublicDate: 2021-03-26 17:15:00 UTC
References:
 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20284
Description:
 A 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.
Ubuntu-Description:
Notes:
 mdeslaur> code isn't present in focal and earlier, need to investigate if
 mdeslaur> reproducer works
Mitigation:
Bugs:
 https://sourceware.org/bugzilla/show_bug.cgi?id=26931
Priority: low
Discovered-by: Hao Wang
Assigned-to:
CVSS:
 nvd: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H [5.5 MEDIUM]


Patches_binutils:
 upstream: https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=f60742b2a1988d276c77d5c1011143f320d9b4cb
upstream_binutils: released (2.36)
precise/esm_binutils: ignored (end of ESM support, was not-affected)
trusty_binutils: ignored (out of standard support)
trusty/esm_binutils: not-affected (code not present)
xenial_binutils: ignored (end of standard support, was needed)
esm-infra/xenial_binutils: not-affected (code not present)
bionic_binutils: not-affected (code not present)
focal_binutils: not-affected (code not present)
groovy_binutils: ignored (reached end-of-life)
hirsute_binutils: not-affected (2.36.1-6ubuntu1)
impish_binutils: not-affected (2.37-7ubuntu1)
jammy_binutils: not-affected (2.38-2ubuntu1)
devel_binutils: not-affected (2.38-2ubuntu1)