PT-2020-16567 · Mozilla+3 · Firefox+3

Gary Kwong · Published 2020-11-17 · Updated 2024-12-12 · CVE-2020-26952

Positive Technologies (AI Summary)

CVSS v2.0

9.3

High

Base vector

AV:N/AC:M/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 83

Description The issue is related to incorrect bookkeeping of functions inlined during JIT compilation, which could lead to memory corruption and a potentially exploitable crash when handling out-of-memory errors.

Recommendations For versions prior to 83, update to version 83 or later to resolve the issue.

Exploit

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

ALT-PU-2020-3384

ALT-PU-2021-2725

ALT-PU-2021-2881

ALT-PU-2021-3368

ALT-PU-2021-3369

ALT-PU-2022-1781

ALT-PU-2022-1782

CVE-2020-26952

OPENSUSE-SU-2024:10600-1

OPENSUSE-SU-2024:14572-1

USN-4637-1

USN-4637-2

Affected Products

Alt Linux

Firefox

Linuxmint

Ubuntu

References · 1900

• 🔥 https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/multi/browser/firefox_jit_use_after_free.rb · Exploit
• 🔥 https://github.com/mistymntncop/CVE-2022-26485 · Exploit
• 🔥 https://github.com/aleksejspopovs/cve-2020-16012 · Exploit
• 🔥 https://github.com/R0jhack/CVE-2020-6514 · Exploit
• 🔥 https://github.com/hasan-khalil/CVE-2020-6514 · Exploit
• 🔥 https://github.com/HassanAzze/CVE-2020-6514 · Exploit
• 🔥 https://github.com/rojhack/CVE-2020-6514 · Exploit
• 🔥❌ https://github.com/marcinguy/CVE-2020-15999 · Exploit, Deleted
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-26952 · Security Note
• https://ubuntu.com/security/CVE-2020-26953 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2020-26952 · Vendor Advisory
• https://mozilla.org/en-US/security/advisories/mfsa2020-50/#CVE-2020-26952 · Vendor Advisory
• https://ubuntu.com/security/CVE-2020-26951 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-26952 · Security Note
• https://ubuntu.com/security/CVE-2020-26961 · Vendor Advisory