1. Ubuntu Security Notices
  2. USN-7012-1

USN-7012-1: curl vulnerability

Publication date

16 September 2024

Overview

curl could incorrectly check bad certificates when OCSP stapling is in use.

Releases

Packages

  • curl - HTTP, HTTPS, and FTP client and client libraries

Details

Hiroki Kurosawa discovered that curl incorrectly handled certain OCSP
responses. This could result in bad certificates not being checked
properly, contrary to expectations.

Hiroki Kurosawa discovered that curl incorrectly handled certain OCSP
responses. This could result in bad certificates not being checked
properly, contrary to expectations.

Update instructions

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
24.04 noble curl –  8.5.0-2ubuntu10.4
libcurl3t64-gnutls –  8.5.0-2ubuntu10.4
libcurl4t64 –  8.5.0-2ubuntu10.4
22.04 jammy curl –  7.81.0-1ubuntu1.18
libcurl3-gnutls –  7.81.0-1ubuntu1.18
libcurl3-nss –  7.81.0-1ubuntu1.18
libcurl4 –  7.81.0-1ubuntu1.18
20.04 focal curl –  7.68.0-1ubuntu2.24
libcurl3-gnutls –  7.68.0-1ubuntu2.24
libcurl3-nss –  7.68.0-1ubuntu2.24
libcurl4 –  7.68.0-1ubuntu2.24

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References

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