What’s Vulnerable › Vulnerabilities

CVE-2021-3549

• Severity: high (CVSS 7.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-05-26 · updated 2026-06-17
• Weakness: CWE-119

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.

Affected products

• GNU Binutils: 2.36

References

• https://bugzilla.redhat.com/show_bug.cgi?id=1960717
• https://security.gentoo.org/glsa/202208-30
• https://bugzilla.redhat.com/show_bug.cgi?id=1960717
• https://security.gentoo.org/glsa/202208-30
• https://security.netapp.com/advisory/ntap-20250228-0005/

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