Mozilla developers reported memory safety bugs present in Firefox 92 and Firefox ESR 91.1. 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 < 78.15, Thunderbird < 91.2, Firefox ESR < 91.2, Firefox ESR < 78.15, and Firefox < 93.
Metrics
Affected Vendors & Products
Advisories
| Source | ID | Title |
|---|---|---|
Debian DLA |
DLA-2782-1 | firefox-esr security update |
Debian DLA |
DLA-2874-1 | thunderbird security update |
Debian DSA |
DSA-4981-1 | firefox-esr security update |
Debian DSA |
DSA-5034-1 | thunderbird security update |
EUVD |
EUVD-2021-24952 | Mozilla developers reported memory safety bugs present in Firefox 92 and Firefox ESR 91.1. 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 < 78.15, Thunderbird < 91.2, Firefox ESR < 91.2, Firefox ESR < 78.15, and Firefox < 93. |
Ubuntu USN |
USN-5107-1 | Firefox vulnerabilities |
Ubuntu USN |
USN-5132-1 | Thunderbird vulnerabilities |
Ubuntu USN |
USN-5248-1 | Thunderbird vulnerabilities |
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
Wed, 16 Jul 2025 13:45:00 +0000
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|---|---|---|
| Metrics |
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Status: PUBLISHED
Assigner: mozilla
Published:
Updated: 2024-08-04T01:44:22.823Z
Reserved: 2021-08-10T00:00:00
Link: CVE-2021-38500
No data.
Status : Modified
Published: 2021-11-03T01:15:07.570
Modified: 2024-11-21T06:17:15.313
Link: CVE-2021-38500
OpenCVE Enrichment
No data.
Debian DLA
Debian DSA
EUVD
Ubuntu USN