CVE-2025-69645 Denial of service in n/a
A local attacker can cause a denial of service in Binutils objdump by providing a crafted binary with malformed DWARF debug information.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2025-69645?
CVE-2025-69645 is a medium-severity denial of service vulnerability in Gnu Binutils, published on 6 Mar 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
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.
Weakness: CWE-400
Which versions are affected by CVE-2025-69645?
It affects 1 product.
Products include Gnu Binutils.
How do I fix CVE-2025-69645?
Upgrade to a fixed version.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2025-69645 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-69645 exists.
Other vulnerabilities in Gnu Binutils
Sources
Also known as AZL-79568, AZL-79592, BELL-CVE-2025-69645, DEBIAN-CVE-2025-69645, ECHO-7b55-caf2-9539, GHSA-r62f-9x32-57f4 and 2 more.