Ports that were written as an integer overflow above the bounds of a 16-bit integer could have bypassed port blocking restrictions when used in the Alt-Svc header. This vulnerability affects Firefox ESR < 78.10, Thunderbird < 78.10, and Firefox < 88.
References
Link | Resource |
---|---|
https://bugzilla.mozilla.org/show_bug.cgi?id=1698503 | Permissions Required Vendor Advisory |
https://www.mozilla.org/security/advisories/mfsa2021-14/ | Release Notes Vendor Advisory |
https://www.mozilla.org/security/advisories/mfsa2021-15/ | Release Notes Vendor Advisory |
https://www.mozilla.org/security/advisories/mfsa2021-16/ | Release Notes Vendor Advisory |
History
No history.
MITRE Information
Status: PUBLISHED
Assigner: mozilla
Published: 2021-06-24T13:19:43
Updated: 2021-06-24T13:19:43
Reserved: 2021-04-01T00:00:00
Link: CVE-2021-29946
JSON object: View
NVD Information
Status : Analyzed
Published: 2021-06-24T14:15:09.797
Modified: 2021-06-25T20:06:18.010
Link: CVE-2021-29946
JSON object: View
Redhat Information
No data.
CWE