CVE-2021-3549
binutils: heap-based buffer overflow in avr_elf32_load_records_from_section() via large section parameter
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · January 31, 2021
Updated · November 21, 2025
Description
An Out of Bounds flaw was found in GNU binutils objdump utility. 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.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 6.1CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:L
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer