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OpenAdvisories
High USN-6010-1 15 CVEs

firefox vulnerabilities

Published Apr 12, 2023 · Updated Apr 22, 2026

Ecosystem: Ubuntu

Summary

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-2023-29537,
CVE-2023-29540, CVE-2023-29543, CVE-2023-29544, CVE-2023-29547,
CVE-2023-29548, CVE-2023-29549, CVE-2023-29550, CVE-2023-29551)

Irvan Kurniawan discovered that Firefox did not properly manage fullscreen
notifications using a combination of window.open, fullscreen requests,
window.name assignments, and setInterval calls. An attacker could
potentially exploit this issue to perform spoofing attacks. (CVE-2023-29533)

Lukas Bernhard discovered that Firefox did not properly manage memory
when doing Garbage Collector compaction. An attacker could potentially
exploits this issue to cause a denial of service. (CVE-2023-29535)

Zx from qriousec discovered that Firefox did not properly validate the
address to free a pointer provided to the memory manager. An attacker could
potentially exploits this issue to cause a denial of service.
(CVE-2023-29536)

Alexis aka zoracon discovered that Firefox did not properly validate the
URI received by the WebExtension during a load request. An attacker could
potentially exploits this to obtain sensitive information. (CVE-2023-29538)

Trung Pham discovered that Firefox did not properly validate the filename
directive in the Content-Disposition header. An attacker could possibly
exploit this to perform reflected file download attacks potentially
tricking users to install malware. (CVE-2023-29539)

Ameen Basha M K discovered that Firefox did not properly validate downloads
of files ending in .desktop. An attacker could potentially exploits this
issue to execute arbitrary code. (CVE-2023-29541)

Fixed packages 2

ReleasePackageFixed in
Ubuntu · 18.04 LTS 18.04:LTS firefox 112.0+build2-0ubuntu0.18.04.1
Ubuntu · 20.04 LTS 20.04:LTS firefox 112.0+build2-0ubuntu0.20.04.1

Vulnerabilities 15

References

  • report
    https://ubuntu.com/security/CVE-2023-29533
  • report
    https://ubuntu.com/security/CVE-2023-29535
  • report
    https://ubuntu.com/security/CVE-2023-29536
  • report
    https://ubuntu.com/security/CVE-2023-29537
  • report
    https://ubuntu.com/security/CVE-2023-29538
  • report
    https://ubuntu.com/security/CVE-2023-29539
  • report
    https://ubuntu.com/security/CVE-2023-29540
  • report
    https://ubuntu.com/security/CVE-2023-29541
  • report
    https://ubuntu.com/security/CVE-2023-29543
  • report
    https://ubuntu.com/security/CVE-2023-29544
  • report
    https://ubuntu.com/security/CVE-2023-29547
  • report
    https://ubuntu.com/security/CVE-2023-29548
  • report
    https://ubuntu.com/security/CVE-2023-29549
  • report
    https://ubuntu.com/security/CVE-2023-29550
  • report
    https://ubuntu.com/security/CVE-2023-29551