Binutils objdump DoS via malformed DWARF offset_size (2.44)
CVE-2025-69645 Published on March 6, 2026
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 Analysis
CVE-2025-69645 can be exploited with local system access, requires user interaction. This vulnerability is considered to have a low attack complexity. Public availability of a proof of concept (POC) exploit exists for CVE-2025-69645. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a high impact on availability.
Weakness Type
What is a Resource Exhaustion Vulnerability?
The software does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.
CVE-2025-69645 has been classified to as a Resource Exhaustion vulnerability or weakness.
Products Associated with CVE-2025-69645
Want to know whenever a new CVE is published for GNU Binutils? stack.watch will email you.