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
| Link | Resource |
|---|---|
| https://bugzilla.mozilla.org/show_bug.cgi?id=1707774 | Issue Tracking Vendor Advisory |
| https://security.gentoo.org/glsa/202202-03 | Third Party Advisory |
| https://www.mozilla.org/security/advisories/mfsa2021-33/ | Vendor Advisory |
| https://www.mozilla.org/security/advisories/mfsa2021-36/ | Vendor Advisory |
Configurations
Configuration 1 (hide)
|
History
16 Mar 2022, 14:56
| Type | Values Removed | Values Added |
|---|---|---|
| References | (GENTOO) https://security.gentoo.org/glsa/202202-03 - Third Party Advisory | |
| References | (MISC) https://bugzilla.mozilla.org/show_bug.cgi?id=1707774 - Issue Tracking, Vendor Advisory |
22 Feb 2022, 01:15
| Type | Values Removed | Values Added |
|---|---|---|
| References |
|
25 Aug 2021, 14:17
| Type | Values Removed | Values Added |
|---|---|---|
| CPE | cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* |
|
| CVSS |
v2 : v3 : |
v2 : 6.8
v3 : 8.8 |
| CWE | NVD-CWE-noinfo | |
| References | (MISC) https://bugzilla.mozilla.org/show_bug.cgi?id=1707774 - Issue Tracking, Permissions Required, Vendor Advisory | |
| References | (MISC) https://www.mozilla.org/security/advisories/mfsa2021-33/ - Vendor Advisory | |
| References | (MISC) https://www.mozilla.org/security/advisories/mfsa2021-36/ - Vendor Advisory |
17 Aug 2021, 20:15
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2021-08-17 20:15
Updated : 2023-12-10 13:55
NVD link : CVE-2021-29981
Mitre link : CVE-2021-29981
CVE.ORG link : CVE-2021-29981
JSON object : View
Products Affected
mozilla
- thunderbird
- firefox
CWE