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Microsoft Security Response CenterCVE-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.

Mariner

Read the vendor bulletin Get alerts for azl3 binutils 2.41-10 on Azure Linux
5.5CVSS out of 10Medium severity
Scope

What the vendor says is 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
  • cbl2 binutils 2.37-20
  • cbl2 binutils 2.37-20 on CBL-Mariner 2.0

Versions the vendor lists as fixed

  • 2.41-11
Next step

What the vendor recommends

CBL-Mariner Releases

Review the complete instructions on the vendor's site
Timeline

When this advisory changed

  1. Published by Microsoft Security Response Center

    The publication date reported by the vendor.

  2. Updated by Microsoft Security Response Center

    The vendor changed the advisory after it was first published.

  3. Added to SecurityAlert

    We collected the advisory from the official source.

  4. Confirmed at the source

    Our collector saw this advisory during a later source check.

Vulnerabilities

CVEs named in this advisory

CVE-2025-69646View CVSS, KEV, EPSS, and threat context
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