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.
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History
Fri, 10 Jul 2026 10:00:00 +0000
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Wed, 08 Jul 2026 14:30:00 +0000
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Tue, 07 Jul 2026 20:30:00 +0000
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| Description | 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. | |
| Title | GNU Wget 1.25.0 Heap Buffer Underread via Metalink URL Parsing | |
| Weaknesses | CWE-125 | |
| References |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: VulnCheck
Published: 2026-07-07T19:43:34.767Z
Updated: 2026-07-08T13:36:42.645Z
Reserved: 2026-06-30T20:20:33.790Z
Link: CVE-2026-58469
Updated: 2026-07-08T13:36:38.971Z
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