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USN-6944-2: curl vulnerability

20 August 2024

curl could be made to crash or expose information if it received specially crafted network traffic.

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Releases

Packages

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

Details

USN-6944-1 fixed CVE-2024-7264 for Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, and
Ubuntu 24.04 LTS. This update provides the corresponding fix for
Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, and Ubuntu 18.04 LTS.

Original advisory details:

Dov Murik discovered that curl incorrectly handled parsing ASN.1
Generalized Time fields. A remote attacker could use this issue to cause
curl to crash, resulting in a denial of service, or possibly obtain
sensitive memory contents.

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 18.04
Ubuntu 16.04
Ubuntu 14.04

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

References

Related notices

  • USN-6944-1: libcurl4-doc, libcurl4-nss-dev, libcurl4t64, libcurl3-gnutls, libcurl3-nss, libcurl4-openssl-dev, libcurl3t64-gnutls, curl, libcurl4-gnutls-dev, libcurl4

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Further reading