CVE-2021-29981 Affecting firefox package, versions <91.0-1
Snyk CVSS
Attack Complexity
Low
User Interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Threat Intelligence
EPSS
0.2% (58th
percentile)
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Test your applications- Snyk ID SNYK-DEBIANUNSTABLE-FIREFOX-1538501
- published 11 Aug 2021
- disclosed 17 Aug 2021
Introduced: 11 Aug 2021
CVE-2021-29981 Open this link in a new tabHow to fix?
Upgrade Debian:unstable firefox to version 91.0-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream firefox package and not the firefox package as distributed by Debian.
See How to fix? for Debian:unstable relevant fixed versions and status.
An issue present in lowering/register allocation could have led to obscure but deterministic register confusion failures in JITted code that would lead to a potentially exploitable crash. This vulnerability affects Firefox < 91 and Thunderbird < 91.