CVE-2023-29536: Use After Free

Reference Links

• https://www.mozilla.org/security/advisories/mfsa2023-14/
• https://www.mozilla.org/security/advisories/mfsa2023-13/
• https://bugzilla.mozilla.org/show_bug.cgi?id=1821959
• https://www.mozilla.org/security/advisories/mfsa2023-15/
• https://launchpad.net/bugs/cve/CVE-2023-29536
• https://www.mozilla.org/en-US/security/advisories/mfsa2023-14/
• https://www.mozilla.org/en-US/security/advisories/mfsa2023-15/
• https://www.mozilla.org/en-US/security/advisories/mfsa2023-14/#CVE-2023-29535
• https://www.mozilla.org/en-US/security/advisories/mfsa2023-13/
• https://www.mozilla.org/en-US/security/advisories/mfsa2023-13/#CVE-2023-29536
• https://www.mozilla.org/en-US/security/advisories/mfsa2023-14/#CVE-2023-29536
• https://www.mozilla.org/en-US/security/advisories/mfsa2023-15/#CVE-2023-29536
• https://security-tracker.debian.org/tracker/CVE-2023-29536
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-29536
• https://nvd.nist.gov/vuln/detail/CVE-2023-29536
• https://ubuntu.com/security/CVE-2023-29536

Parent vulnerabilities

(Appears in the following advisories)

• MFSA2023-14
• MFSA2023-15
• MFSA2023-13

Peer vulnerabilities

(Found alongside the following vulnerabilities)

• CVE-2023-29531
• CVE-2023-29532
• CVE-2023-29533
• CVE-2023-1999
• CVE-2023-29535
• CVE-2023-29536
• CVE-2023-29539
• CVE-2023-29541
• CVE-2023-29542
• CVE-2023-29545
• CVE-2023-1945
• CVE-2023-29548
• CVE-2023-29550
• CVE-2023-0547
• CVE-2023-29479
• CVE-2023-29534
• CVE-2023-29537
• CVE-2023-29538
• CVE-2023-29540
• CVE-2023-29543
• CVE-2023-29544
• CVE-2023-29546
• CVE-2023-29547
• CVE-2023-29549
• CVE-2023-29551

Frequently Asked Questions

• What is the vulnerability ID for this vulnerability?

  The vulnerability ID for this vulnerability is CVE-2023-29536.

• What is the severity of CVE-2023-29536?

  The severity of CVE-2023-29536 is high, with a severity value of 7.

• Which software products are affected by CVE-2023-29536?

  Firefox < 112, Focus for Android < 112, Firefox ESR < 102.10, Thunderbird < 102.10.

• How does CVE-2023-29536 impact the affected software?

  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.

• Where can I find more information about CVE-2023-29536?

  You can find more information about CVE-2023-29536 at the following links: [1](https://www.mozilla.org/security/advisories/mfsa2023-14/), [2](https://www.mozilla.org/security/advisories/mfsa2023-13/), [3](https://bugzilla.mozilla.org/show_bug.cgi?id=1821959).