Bug 1189631 – VUL-1: CVE-2021-29981: MozillaThunderbird,MozillaFirefox: potentially exploitable crash

Bug 1189631 - (CVE-2021-29981) VUL-1: CVE-2021-29981: MozillaThunderbird,MozillaFirefox: potentially exploitable crash

(CVE-2021-29981)
Summary:	VUL-1: CVE-2021-29981: MozillaThunderbird,MozillaFirefox: potentially exploit...

Status:	RESOLVED FIXED

Classification:	Novell Products
Product:	SUSE Security Incidents
Classification:	Novell Products
Component:	Incidents
Version:	unspecified
Hardware:	Other Other

Priority:	P5 - None Severity: Minor
Target Milestone:	---
Assigned To:	Martin Sirringhaus
QA Contact:	Security Team bot

URL:	https://smash.suse.de/issue/307491/
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Reported:	2021-08-20 09:06 UTC by Robert Frohl
Modified:	2021-08-20 09:07 UTC (History)
CC List:	1 user (show)

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Found By:	Security Response Team
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Description Robert Frohl 2021-08-20 09:06:01 UTC

CVE-2021-29981

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:
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-29981
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-29981
https://bugzilla.mozilla.org/show_bug.cgi?id=1707774
https://www.mozilla.org/security/advisories/mfsa2021-33/
https://www.mozilla.org/security/advisories/mfsa2021-36/

Comment 1 Robert Frohl 2021-08-20 09:06:20 UTC

does not affect SLE and fixed in Factory, closing

Comment 2 Robert Frohl 2021-08-20 09:07:12 UTC

really closing now..