CVE-2023-29543: Use After Free

Reference Links

• https://bugzilla.mozilla.org/show_bug.cgi?id=1816158
• https://www.mozilla.org/security/advisories/mfsa2023-13/
• https://launchpad.net/bugs/cve/CVE-2023-29543
• https://www.mozilla.org/en-US/security/advisories/mfsa2023-13/
• https://www.mozilla.org/en-US/security/advisories/mfsa2023-13/#CVE-2023-29549
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-29543
• https://nvd.nist.gov/vuln/detail/CVE-2023-29543
• https://security-tracker.debian.org/tracker/CVE-2023-29543
• https://ubuntu.com/security/CVE-2023-29543
• https://www.mozilla.org/en-US/security/advisories/mfsa2023-13/#CVE-2023-29543

Parent vulnerabilities

(Appears in the following advisories)

• MFSA2023-13

Peer vulnerabilities

(Found alongside the following vulnerabilities)

• CVE-2023-29531
• CVE-2023-29532
• CVE-2023-29533
• CVE-2023-29534
• CVE-2023-1999
• CVE-2023-29535
• CVE-2023-29536
• CVE-2023-29537
• CVE-2023-29538
• CVE-2023-29539
• CVE-2023-29540
• CVE-2023-29541
• CVE-2023-29542
• CVE-2023-29543
• CVE-2023-29544
• CVE-2023-29545
• CVE-2023-29546
• CVE-2023-29547
• CVE-2023-29548
• CVE-2023-29549
• CVE-2023-29550
• CVE-2023-29551

Frequently Asked Questions

• What is CVE-2023-29543?

  CVE-2023-29543 is a vulnerability that could result in memory corruption and a potentially exploitable use-after-free of a pointer in a global object's debugger vector.

• Which software versions are affected by CVE-2023-29543?

  This vulnerability affects Firefox for Android < 112, Firefox < 112, and Focus for Android < 112.

• What is the severity of CVE-2023-29543?

  CVE-2023-29543 has a severity level of medium.

• How can I fix CVE-2023-29543?

  To fix CVE-2023-29543, update Firefox for Android, Firefox, and Focus for Android to version 112.0 or later.

• Where can I find more information about CVE-2023-29543?

  More information about CVE-2023-29543 can be found on Bugzilla (https://bugzilla.mozilla.org/show_bug.cgi?id=1816158), Mozilla Security Advisories (https://www.mozilla.org/security/advisories/mfsa2023-13/), and Launchpad (https://launchpad.net/bugs/cve/CVE-2023-29543).