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CVE-2021-23960
Published: Feb 26, 2021
Modified: Aug 3, 2024
PUBLISHED
Description
Performing garbage collection on re-declared JavaScript variables resulted in a user-after-poison, and a potentially exploitable crash. This vulnerability affects Firefox < 85, Thunderbird < 78.7, and Firefox ESR < 78.7.
| Vendor | Product | Versions |
|---|---|---|
Mozilla | Firefox | affected < 85 |
Mozilla | Thunderbird | affected < 78.7 |
Mozilla | Firefox ESR | affected < 78.7 |
References
https://www.mozilla.org/security/advisories/mfsa2021-03/
x_refsource_MISC
https://www.mozilla.org/security/advisories/mfsa2021-04/
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https://www.mozilla.org/security/advisories/mfsa2021-05/
x_refsource_MISC
https://bugzilla.mozilla.org/show_bug.cgi?id=1675755
x_refsource_MISC
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