Disclosure summary
GNU Binutils thru 2.45.1 readelf contains a denial-of-service vulnerability when processing a crafted binary with malformed DWARF .debug_rnglists data. A logic flaw in the DWARF parsing path causes readelf to repeatedly print the same warning message without making forward progress, resulting in a non-terminating output loop that requires manual interruption. No evidence of memory corruption or code execution was observed.
Source-reported weakness categories
CWE-835
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 06, 2026
GNU Binutils thru 2.45.1 readelf contains a denial-of-service vulnerability when processing a crafted binary with malformed DWARF .debug_rnglists data. A logic flaw in the DWARF parsing path causes readelf to repeatedly print the same warning message without making forward progress, resulting in a non-terminating output loop that requires manual interruption. No evidence of memory corruption or code execution was observed.
Maximum of vendor-reported product scores; products and fixed builds are associations, not a universal affected-version statement.
Microsoft maximum product score: 7.4
| Vendor | Product / association | Version / bounds |
|---|---|---|
| Microsoft update guide | cbl2 binutils 2.37-20 on CBL Mariner 2.0 | (MSRC status code 3) |
| Microsoft update guide | azl3 binutils 2.41-10 on Azure Linux 3.0 | (MSRC status code 3) |
| Microsoft update guide | cbl2 binutils 2.37-20 | (MSRC status code 3) |
| Microsoft update guide | cbl2 binutils 2.37-20 on CBL-Mariner 2.0 | (MSRC status code 3) |
| Microsoft update guide | azl3 binutils 2.41-11 on Azure Linux 3.0 | (MSRC status code 3) |
Vendor remediation references
- Release Notes · product IDs 20936-21692
- Vendor guidance · product IDs 20936-21692
Original records & references
- NIST NVD record
- CVE Program record
- msrc.microsoft.com — Vendor advisory
PUBLISHED 2026-03-14T21:01:28-04:00
MODIFIED 2026-10-06T21:55:16-04:00
INGESTED 2026-10-08T12:45:08-04:00