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OS X update for curl (CVE-2023-28320)

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OS X update for curl (CVE-2023-28320)

Severity
7
CVSS
(AV:N/AC:M/Au:N/C:N/I:N/A:C)
Published
05/26/2023
Created
07/25/2023
Added
07/25/2023
Modified
01/28/2025

Description

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.

Solution(s)

  • apple-osx-upgrade-11_7_9
  • apple-osx-upgrade-12_6_8
  • apple-osx-upgrade-13_5

References

  • https://attackerkb.com/topics/cve-2023-28320
  • CVE - 2023-28320
  • https://support.apple.com/kb/HT213843
  • https://support.apple.com/kb/HT213844
  • https://support.apple.com/kb/HT213845
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