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CVE-2026-58469

8.7 high SSVC exploitation: none Analyzed
NVD · CVE.org

GNU Wget through 1.25.0, fixed in commit 37a40fc, contains a heap buffer underread vulnerability in the clean_metalink_string() function within src/metalink.c that allows a malicious server to trigger memory corruption by serving a Metalink document containing a whitespace-only URL. Attackers can cause the function to decrement a pointer past the start of the buffer when processing an all-whitespace Metalink URL, potentially leading to abnormal program behavior.

Fix

Patch, vendor advisory and mitigation references on NVD 2

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 8.7 · gnuNVD modified 2026-10-25 20:10

Affected (CPE criteria) 1

  • cpe:2.3:a:gnu:wget:*:*:*:*:*:*:*:*

References 2