Description
Firefox incorrectly treated an inline list-item element as a block element, resulting in an out of bounds read or memory corruption, and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.13, Thunderbird < 91, Firefox ESR < 78.13, and Firefox < 91.
Analysis and contextual insights are available on OpenCVE Cloud.
Remediation
No vendor fix or workaround currently provided.
Additional remediation guidance may be available on OpenCVE Cloud.
Tracking
Sign in to view the affected projects.
Advisories
| Source | ID | Title |
|---|---|---|
Debian DLA |
DLA-2740-1 | firefox-esr security update |
Debian DLA |
DLA-2745-1 | thunderbird security update |
Debian DSA |
DSA-4956-1 | firefox-esr security update |
Debian DSA |
DSA-4959-1 | thunderbird security update |
EUVD |
EUVD-2021-16447 | Firefox incorrectly treated an inline list-item element as a block element, resulting in an out of bounds read or memory corruption, and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.13, Thunderbird < 91, Firefox ESR < 78.13, and Firefox < 91. |
Ubuntu USN |
USN-5037-1 | Firefox vulnerabilities |
Ubuntu USN |
USN-5058-1 | Thunderbird vulnerabilities |
References
History
No history.
Status: PUBLISHED
Assigner: mozilla
Published:
Updated: 2024-08-03T22:24:59.647Z
Reserved: 2021-04-01T00:00:00.000Z
Link: CVE-2021-29988
No data.
Status : Modified
Published: 2021-08-17T20:15:08.013
Modified: 2024-11-21T06:02:07.337
Link: CVE-2021-29988
OpenCVE Enrichment
No data.
Debian DLA
Debian DSA
EUVD
Ubuntu USN