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CVE-2026-58472

6.0 medium SSVC exploitation: none Analyzed
NVD · CVE.org

GNU Wget through 1.25.0, fixed in commit dd692d9, contains a heap buffer overflow vulnerability in the html_quote_string() function in src/convert.c that allows a remote attacker to trigger memory corruption by supplying a crafted HTML attribute with a large number of characters requiring entity encoding. A server-supplied HTML attribute causes a signed integer counter to overflow during output size accumulation, resulting in an undersized heap allocation and subsequent heap buffer overflow during the copy phase.

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 6.0 · gnuNVD modified 2026-10-25 20:10

Affected (CPE criteria) 1

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

References 2