PT-2021-7310 · Mozilla+4 · Firefox+4

Christian Holler + 2 · Published 2021-06-01 · Updated 2024-12-12 · CVE-2021-29966

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 89

Description The issue is related to memory safety bugs, including evidence of memory corruption, which could potentially be exploited to run arbitrary code. It is also described as a buffer overflow vulnerability in memory, allowing a remote attacker to execute arbitrary code.

Recommendations For versions prior to 89, update to version 89 or later to resolve the issue. As a temporary workaround, consider restricting access to sensitive features or modules until the update is applied.

Exploit

Fix

Memory Corruption

Weakness Enumeration

CWE-669

CWE-787

Related Identifiers

ALT-PU-2021-1919

ALT-PU-2021-2725

ALT-PU-2021-2881

ALT-PU-2021-3368

ALT-PU-2021-3369

ALT-PU-2022-1781

ALT-PU-2022-1782

BDU:2022-05606

BDU:2022-05609

CVE-2021-29966

OESA-2023-1673

OESA-2023-1674

OPENSUSE-SU-2024:10600-1

OPENSUSE-SU-2024:14572-1

USN-4978-1

Affected Products

Alt Linux

Astra Linux

Firefox

Linuxmint

Ubuntu

References · 2187

• 🔥 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/HassanAzze/CVE-2020-6514 · Exploit
• 🔥 https://github.com/hasan-khalil/CVE-2020-6514 · Exploit
• 🔥 https://github.com/rojhack/CVE-2020-6514 · Exploit
• 🔥 https://github.com/R0jhack/CVE-2020-6514 · Exploit
• 🔥❌ https://github.com/marcinguy/CVE-2020-15999 · Exploit, Deleted
• https://nvd.nist.gov/vuln/detail/CVE-2022-34471 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2022-34479 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2020-26976 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-4047 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2022-38473 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2022-28289 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-29966 · Vendor Advisory