CVE-2023-29536: Use After Free
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.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
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debian/firefoxto a version that resolves this vulnerability.Fixed in 131.0-1 - Upgrade
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debian/firefox-esrto a version that resolves this vulnerability.Fixed in 115.14.0esr-1~deb11u1Fixed in 128.3.0esr-1~deb11u2Fixed in 115.14.0esr-1~deb12u1Fixed in 128.3.0esr-1~deb12u1Fixed in 115.15.0esr-1Fixed in 128.3.0esr-2 - Upgrade
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debian/thunderbirdto a version that resolves this vulnerability.Fixed in 1:115.12.0-1~deb11u1Fixed in 1:115.15.0-1~deb11u1Fixed in 1:115.12.0-1~deb12u1Fixed in 1:115.15.0-1~deb12u1Fixed in 1:128.2.0esr-1Fixed in 1:128.3.0esr-1 - Upgrade
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Thunderbirdto a version that resolves this vulnerability.Fixed in 102.10 - Upgrade
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Firefox ESRto a version that resolves this vulnerability.Fixed in 102.10 - Upgrade
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Firefoxto a version that resolves this vulnerability.Fixed in 112 - Upgrade
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Mozilla Firefoxto a version that resolves this vulnerability.Fixed in 112 - Upgrade
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Mozilla Focus for Androidto a version that resolves this vulnerability.Fixed in 112 - Upgrade
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Mozilla Firefox ESRto a version that resolves this vulnerability.Fixed in 102.10 - Upgrade
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Mozilla Firefox for Androidto a version that resolves this vulnerability.Fixed in 112 - Upgrade
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Mozilla Thunderbirdto a version that resolves this vulnerability.Fixed in 102.10
Event History
Parent advisories
This vulnerability appears in the following advisories.
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-2023-0547
- CVE-2023-29479
- CVE-2023-29539
- CVE-2023-29541
- CVE-2023-29542
- CVE-2023-29545
- CVE-2023-1945
- CVE-2023-29548
- CVE-2023-29550
- 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).