CVE-2021-3549

low

Published — · Modified —

CVSS v3

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CVSS v2

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VIR risk

2.5

Description

An out of bounds flaw was found in GNU binutils objdump utility version 2.36. An attacker could use this flaw and pass a large section to avr_elf32_load_records_from_section() probably resulting in a crash or in some cases memory corruption. The highest threat from this vulnerability is to integrity as well as system availability.

Predictions

Exploit likelihood

20%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2021-3549.html

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2021-3549

OS impact

OS	Version	Status	Fixed in
debian	bookworm	fixed	`2.37-3`
debian	bullseye	affected
debian	forky	fixed	`2.37-3`
debian	sid	fixed	`2.37-3`
debian	trixie	fixed	`2.37-3`
arch		fixed	`2.37-1`
sles		affected

References

https://security-tracker.debian.org/tracker/CVE-2021-3549
https://www.suse.com/security/cve/CVE-2021-3549.html

Verify integrity in audit chain (admin only). AS-IS.