PT-2021-15642 · Mozilla+4 · Firefox+4

Christian Holler + 1 · Published 2021-03-23 · Updated 2024-12-12 · CVE-2021-23988

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions: Firefox versions prior to 87

Description: The issue is related to memory safety bugs that were reported by Mozilla developers in Firefox 86. Some of these bugs showed evidence of memory corruption, and it is presumed that with enough effort, some of these could have been exploited to run arbitrary code.

Recommendations: For versions prior to 87, update to version 87 or later to resolve the issue.

Exploit

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

ALT-PU-2021-1543

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-2021-23988

OESA-2023-1673

OESA-2023-1674

OPENSUSE-SU-2024:10600-1

OPENSUSE-SU-2024:14572-1

USN-4893-1

Affected Products

Alt Linux

Astra Linux

Firefox

Linuxmint

Ubuntu

References · 2182

• 🔥 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-2021-23988 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-29535 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2022-45418 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-23965 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2020-15673 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2022-22756 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-29985 · Security Note