Focus vulnerabilities

8 known vulnerabilities in Focus from Mozilla. 8 are rated high or critical, and 2 have been exploited in real attacks. Each entry lists the affected versions and the release that fixes it, where the vendor has published one.

Latest first

• 8.8 High severity

  Firefox for Android: Out-of-bounds Write

  CVE-2023-29551Jun 2, 2023Mozilla

  Memory safety bugs present in Firefox 111. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox for Android < 112, Firef

• 8.8 High severity

  Firefox for Android: Use After Free

  CVE-2023-29543Jun 2, 2023Mozilla

  An attacker could have caused memory corruption and a potentially exploitable use-after-free of a pointer in a global object's debugger vector. This vulnerability affects Firefox for Android < 112, Firefox < 112, and Focus for Android < 112.

• 8.8 High severity

  Firefox: Improper Encoding or Escaping of Output

  CVE-2023-29541Jun 2, 2023Mozilla

  Firefox did not properly handle downloads of files ending in <code>.desktop</code>, which can be interpreted to run attacker-controlled commands. <br>*This bug only affects Firefox for Linux on certain Distributions. Other operating systems are unaffected, and

• 8.8 High severity

  Firefox: NULL Pointer Dereference

  CVE-2023-29539Jun 2, 2023Mozilla

  When handling the filename directive in the Content-Disposition header, the filename would be truncated if the filename contained a NULL character. This could have led to reflected file download attacks potentially tricking users to install malware. This vulne

• 7.5 High severity

  Firefox for Android: Concurrent Execution using Shared Resource with Improper Synchronization

  CVE-2023-29537Jun 2, 2023Mozilla

  Multiple race conditions in the font initialization could have led to memory corruption and execution of attacker-controlled code. This vulnerability affects Firefox for Android < 112, Firefox < 112, and Focus for Android < 112.

• 8.8 High severity

  Firefox: Use After Free

  CVE-2023-29536Jun 2, 2023Mozilla

  An attacker could cause the memory manager to incorrectly free a pointer that addresses attacker-controlled memory, resulting in an assertion, memory corruption, or a potentially exploitable crash. This vulnerability affects Firefox < 112, Focus for Android <

• 9.6 Critical severity

  Mozilla Firefox Use-After-Free Exploited

  CVE-2022-26486Dec 22, 2022MozillaEPSS 2.36%

  An unexpected message in the WebGPU IPC framework could lead to a use-after-free and exploitable sandbox escape. We have had reports of attacks in the wild abusing this flaw. This vulnerability affects Firefox < 97.0.2, Firefox ESR < 91.6.1, Firefox for Androi

• 8.8 High severity

  Mozilla Firefox Use-After-Free Exploited

  CVE-2022-26485Dec 22, 2022MozillaEPSS 14.3%

  Removing an XSLT parameter during processing could have lead to an exploitable use-after-free. We have had reports of attacks in the wild abusing this flaw. This vulnerability affects Firefox < 97.0.2, Firefox ESR < 91.6.1, Firefox for Android < 97.3.0, Thunde