PT-2021-6781

CVE-2021-29990

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Published

2021-08-10

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Updated

2026-10-31

Description by

CVSS 2.0
9.3
High
MetricsAV:N/AC:M/Au:N/C:C/I:C/A:C
Name of the Vulnerable Software and Affected Versions Firefox versions prior to 91
Description The issue is related to a buffer overflow in memory, allowing a remote attacker to execute arbitrary code. It is associated with memory safety bugs that showed evidence of memory corruption, which could potentially be exploited.
Recommendations For versions prior to 91, update to version 91 or later to resolve the issue. As a temporary workaround, consider restricting access to sensitive resources until the update is applied.
Exploitability
Exploit
Fix
Impacts
Vendors
Affected products
Related identifiers
ALT-PU-2021-2488
ALT-PU-2021-2725
ALT-PU-2021-2849
ALT-PU-2021-2881
ALT-PU-2021-3368
ALT-PU-2021-3369
ALT-PU-2022-1781
ALT-PU-2022-1782
CLEANSTART-2024-DC65217
CLEANSTART-2024-HT56876
OESA-2023-1673
OESA-2023-1674
OPENSUSE-SU-2021:1367-1
OPENSUSE-SU-2021_1367-1
OPENSUSE-SU-2021:3331-1
OPENSUSE-SU-2021_3331-1
OPENSUSE-SU-2021:3451-1
OPENSUSE-SU-2021_3451-1
OPENSUSE-SU-2024:10600-1
OPENSUSE-SU-2024:14572-1
SUSE-SU-2021:14821-1
SUSE-SU-2021_14821-1
SUSE-SU-2021:14826-1
SUSE-SU-2021_14826-1
SUSE-SU-2021:3191-1
SUSE-SU-2021:3331-1
SUSE-SU-2021:3451-1
SUSE-SU-2022:1577-1
SUSE-SU-2022_1577-1
SUSE-SU-2022:1582-1
SUSE-SU-2022_1582-1
USN-5037-1
USN-5037-2
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