CVE-2021-29981

Source
https://cve.org/CVERecord?id=CVE-2021-29981
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-29981.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2021-29981
Downstream
Related
Published
2021-08-17T20:15:07.730Z
Modified
2026-03-13T04:25:41.710378Z
Severity
  • 8.8 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

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.

References

Affected packages

Git /

Affected ranges

Database specific

unresolved_ranges
[
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "fixed": "91.0"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "fixed": "91.0"
            }
        ]
    }
]
source
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-29981.json"