CVE-2021-29982 - Vulnerability Details - OpenCVE

Due to incorrect JIT optimization, we incorrectly interpreted data from the wrong type of object, resulting in the potential leak of a single bit of memory. This vulnerability affects Firefox < 91 and Thunderbird < 91.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction Required

No CVSS v3.0

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact Partial

Integrity Impact None

Availability Impact None

This CVE is not in the KEV list.

The EPSS score is 0.00383.

Key SSVC decision points have not yet been added.

Vendors	Products
Mozilla	Firefox Thunderbird

Configuration 1 [-]

OR	cpe:2.3:a:mozilla:firefox::::::::
	cpe:2.3:a:mozilla:thunderbird::::::::

No data.

No data.

Advisories

Source	ID	Title
EUVD	EUVD-2021-16441	Due to incorrect JIT optimization, we incorrectly interpreted data from the wrong type of object, resulting in the potential leak of a single bit of memory. This vulnerability affects Firefox < 91 and Thunderbird < 91.
Ubuntu USN	USN-5037-1	Firefox vulnerabilities
Ubuntu USN	USN-5248-1	Thunderbird vulnerabilities

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://bugzilla.mozilla.org/show_bug.cgi?id=1715318
https://security.gentoo.org/glsa/202202-03
https://www.mozilla.org/security/advisories/mfsa2021-33/
https://www.mozilla.org/security/advisories/mfsa2021-36/

History

No history.

MITRE

Status: PUBLISHED

Assigner: mozilla

Published: 2021-08-17T19:12:36

Updated: 2024-08-03T22:24:57.603Z

Reserved: 2021-04-01T00:00:00

Link: CVE-2021-29982

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-08-17T20:15:07.770

Modified: 2024-11-21T06:02:06.620

Link: CVE-2021-29982

Redhat

No data.

OpenCVE Enrichment

No data.

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