๐Ÿ›ก๏ธ DEBIAN-CVE-2021-29976
โšช Unknown โœ… No Known Exploit OSV
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Mozilla developers reported memory safety bugs present in code shared between Firefox and Thunderbird. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Thunderbird < 78.12, Firefox ESR < 78.12, and Firefox < 90.

Details

Severity Unknown
CVSS Score N/A
CVSS Vector N/A
CWE N/A
Public Exploit โœ… No
Source OSV
Published 2021-08-05
Updated 2026-06-14
Modified 2026-06-13
Fix URL N/A

Affected Packages

Software From version Fixed in
firefox-esr โ€” 78.12.0esr-1
thunderbird โ€” 1:78.12.0-1

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