High severity7.1NVD Advisory· Published May 26, 2021· Updated Jun 17, 2026

CVE-2021-3549

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.

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Affected products

GNU/Binutilsv53 versions
GNU binutils version 2.36+ 2 more
- (no CPE)range: GNU binutils version 2.36
- (no CPE)range: <2.36
- cpe:2.3:a:gnu:binutils:2.36:*:*:*:*:*:*:*
GNU/objdumpllm-fuzzy
Range: <2.36

Patches

Vulnerability mechanics

References

bugzilla.redhat.com/show_bug.cginvdIssue TrackingPatchThird Party Advisory
security.gentoo.org/glsa/202208-30nvdThird Party Advisory
security.netapp.com/advisory/ntap-20250228-0005/nvd

News mentions

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cvss	0.461
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000