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Δ / VULNERABILITY RECORD

CVE-2025-69645.

Source-reported disclosure and enrichment record.

SEVERITY / CVSSMEDIUM / 5.5No severity score in this snapshot.
EXPLOITATION STATUSNot listed in the cached KEV catalogThis does not establish absence of exploitation.
RECORD STATUSMicrosoft vendor recordModified Oct 03, 2026

Disclosure summary

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.

Source-reported weakness categories

CWE-400

Source-specific records & product guidance

Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.

Microsoft Security Updates (CVRF) · 2026-Mar

Open original source · Updated Oct 03, 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.

Maximum of vendor-reported product scores; products and fixed builds are associations, not a universal affected-version statement.

Microsoft maximum product score: 5.5

VendorProduct / associationVersion / bounds
Microsoft update guideazl3 binutils 2.41-11 on Azure Linux 3.0 (MSRC status code 3)
Microsoft update guidecbl2 binutils 2.37-20 (MSRC status code 3)
Microsoft update guideazl3 binutils 2.41-10 on Azure Linux 3.0 (MSRC status code 3)
Microsoft update guidecbl2 binutils 2.37-20 on CBL Mariner 2.0 (MSRC status code 3)
Microsoft update guidecbl2 binutils 2.37-20 on CBL-Mariner 2.0 (MSRC status code 3)

Vendor remediation references

  • CBL-Mariner Releases · build 2.41-11 · product IDs 21200-17084, 20618-17084
  • Vendor guidance · product IDs 21200-17084, 20618-17084
  • Release Notes · product IDs 20936-21692
  • Vendor guidance · product IDs 20936-21692

Original records & references

PUBLISHED 2026-03-10T21:02:32-04:00
MODIFIED 2026-10-03T21:43:37-04:00
INGESTED 2026-10-08T12:45:08-04:00