A denial of service vulnerability exists in curl <v8.1.0 in the way libcurl provides several different backends for resolving host names, selected at build time. If it is built to use the synchronous resolver, it allows name resolves to time-out slow operations using `alarm()` and `siglongjmp()`. When doing this, libcurl used a global buffer that was not mutex protected and a multi-threaded application might therefore crash or otherwise misbehave.
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History
Wed, 15 Jan 2025 16:15:00 +0000
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Status: PUBLISHED
Assigner: hackerone
Published:
Updated: 2025-01-15T15:59:07.016Z
Reserved: 2023-03-14T00:00:00
Link: CVE-2023-28320
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Updated: 2024-08-02T12:38:24.752Z
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Status : Modified
Published: 2023-05-26T21:15:15.937
Modified: 2025-01-15T16:15:25.953
Link: CVE-2023-28320
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