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Microsoft Security Response CenterCVE-2025-69647

GNU Binutils thru 2.45.1 readelf contains a denial-of-service vulnerability when processing a crafted binary with malformed DWARF loclists data. A logic flaw in the DWARF parsing code can cause readelf to repeatedly print the same table output without making forward progress, resulting in an unbounded output loop that never terminates unless externally interrupted. A local attacker can trigger this behavior by supplying a malicious input file, causing excessive CPU and I/O usage and preventing readelf from completing its analysis.

Mariner

Read the vendor bulletin Get alerts for cbl2 binutils 2.37-20 on CBL Mariner
6.2CVSS out of 10Medium severity
Scope

What the vendor says is affected

  • cbl2 binutils 2.37-20 on CBL Mariner 2.0
  • azl3 binutils 2.41-10 on Azure Linux 3.0
  • 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-2025-69647View CVSS, KEV, EPSS, and threat context
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