Resource exhaustion in Gnu Binutils

CVE-2025-69645

Binutils objdump contains a denial-of-service vulnerability when processing a crafted binary with malformed DWARF debug information. A logic error in the handling of DWARF compilation units can result in an invalid offset_size value being used inside byte_get_little_endian, leading to an abort (SIGABRT). The issue was observed in binutils 2.44. A local attacker can trigger the crash by supplying a malicious input file.

Vulnerability class: DoS (Denial of Service)

EPSS: 0.002 (6.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-69645?
CVE-2025-69645 is a medium-severity vulnerability in Gnu Binutils, classified under Uncontrolled Resource Consumption. CVSS score: 5.5/10. Published 2026-03-06.
How severe is CVE-2025-69645?
Medium severity. CVSS v3 base score is 5.5 out of 10.