What is CVE-2021-3549?

CVE-2021-3549 is a high-severity vulnerability in Gnu Binutils, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.1/10. Published 2021-05-26.

How severe is CVE-2021-3549?

High severity. CVSS v3 base score is 7.1 out of 10.

Buffer overflow in Gnu Binutils

CVE-2021-3549

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.

Vulnerability class: Buffer Overflow

EPSS: 0.010 (58.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H.

Affected products

Gnu Binutils — versions 2.36
N/a Binutils — versions GNU binutils version 2.36

Weakness classification (CWE)

References

secalert@redhat.com (Patch, Third Party Advisory, x_refsource_MISC, Issue Tracking)
secalert@redhat.com (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)
af854a3a-2127-422b-91ae-364da2661108

Frequently asked questions

What is CVE-2021-3549?: CVE-2021-3549 is a high-severity vulnerability in Gnu Binutils, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.1/10. Published 2021-05-26.
How severe is CVE-2021-3549?: High severity. CVSS v3 base score is 7.1 out of 10.