MEDIUM 5.5 Microsoft

CVE-2025-69646

Binutils objdump contains a denial-of-service vulnerability when processing a crafted binary with malformed DWARF debug_rnglists data. A logic error in the handling of the debug_rnglists header can cause objdump to repeatedly print the same warning message and fail to terminate, resulting in an unbounded logging loop until the process is interrupted. The issue was observed in binutils 2.44. A local attacker can exploit this vulnerability by supplying a malicious input file, leading to excessive CPU and I/O usage and preventing completion of the objdump analysis.

Microsoft Security Update 2026-Aug: Binutils objdump contains a denial-of-service vulnerability when processing a crafted binary with malformed DWARF debug_rnglists data. A logic error in the handling of the debug_rnglists header can cause objdump to repeatedly print the same warning message and fail to terminate, resulting in an unbounded logging loop until the process is interrupted. The issue was observed in binutils 2.44. A local attacker can exploit this vulnerability by supplying a malicious input file, leading to excessive CPU and I/O usage and preventing completion of the objdump analysis.

Affected Products

References

Published: 2026-08-06 · Source: Microsoft · Feed updated: 2026-08-10
This medium severity vulnerability with a CVSS score of 5.5 was published on 2026-08-06 via Microsoft. Affected: azl3 binutils 2.41-10 on Azure Linux 3.0, cbl2 binutils 2.37-20 on CBL Mariner 2.0, azl3 binutils 2.41-11 on Azure Linux 3.0 and 1 more.
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