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Ubuntu 20.04 LTS: USN-7263-1 moderate: firefox multiple issues

ubuntu
Calendar Grey February 11, 2025
Dist Ubuntu Esm H88
The Ubuntu Security Notice USN-7263-1 details updates for Firefox that tackle a range of vulnerabilities and potential threats.
Several security issues were fixed in Firefox.

Summary

Several security issues were fixed in Firefox.

Software Description:

- firefox: Mozilla Open Source web browser

Details:

Multiple security issues were discovered in Firefox. If a user were

tricked into opening a specially crafted website, an attacker could

potentially exploit these to cause a denial of service, obtain sensitive

information across domains, or execute arbitrary code. (CVE-2025-1011,

CVE-2025-1013, CVE-2025-1014, CVE-2025-1016, CVE-2025-1017, CVE-2025-1018,

CVE-2025-1019, CVE-2025-1020)

Ivan Fratric discovered that Firefox did not properly handle XSLT data,

leading to a use-after-free vulnerability. An attacker could potentially

exploit this issue to cause a denial of service, or execute arbitrary code.

(CVE-2025-1009)

Atte Kettunen discovered that Firefox did not properly manage memory in

the Custom Highlight API, leading to a use-after-free vulnerability. An

attacker could potentially exploit this issue to cause a denial of service,

or ex...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory denial of service code execution Ubuntu Firefox

Update Instructions

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

Ubuntu 20.04 LTS
   firefox                         135.0+build2-0ubuntu0.20.04.1

After a standard system update you need to restart Firefox to make all the
necessary changes

References

  https://ubuntu.com/security/notices/USN-7263-1

  CVE-2025-1009, CVE-2025-1010, CVE-2025-1011, CVE-2025-1012,

  CVE-2025-1013, CVE-2025-1014, CVE-2025-1016, CVE-2025-1017,

  CVE-2025-1018, CVE-2025-1019, CVE-2025-1020

Ubuntu Security Notice USN-7263-1

Topics%20covered

Topics Covered

security advisory denial of service code execution Ubuntu Firefox

Package Information

https://launchpad.net/ubuntu/+source/firefox/135.0+build2-0ubuntu0.20.04.1

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