Buffer overflow in Gnu Binutils

CVE-2021-45078

stab_xcoff_builtin_type in stabs.c in GNU Binutils through 2.37 allows attackers to cause a denial of service (heap-based buffer overflow) or possibly have unspecified other impact, as demonstrated by an out-of-bounds write. NOTE: this iss…

Vulnerability class: Buffer Overflow

EPSS: 0.013 (67.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-45078?
CVE-2021-45078 is a high-severity vulnerability in Gnu Binutils, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2021-12-15.
How severe is CVE-2021-45078?
High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2021-45078 known to be exploited?
4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.