CVE-2021-29991
UNKNOWN
Published 2021-11-03T00:04:17
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No CVSS data available
Description
Firefox incorrectly accepted a newline in a HTTP/3 header, interpretting it as two separate headers. This allowed for a header splitting attack against servers using HTTP/3. This vulnerability affects Firefox < 91.0.1 and Thunderbird < 91.0.1.
Available Exploits
No exploits available for this CVE.
Related News
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Affected Products
Affected Versions:
Affected Versions:
GitHub Security Advisories
Community-driven vulnerability intelligence from GitHub
⚠ Unreviewed
HIGH
GHSA-8p2q-73gc-fxq5
Advisory Details
Firefox incorrectly accepted a newline in a HTTP/3 header, interpretting it as two separate headers. This allowed for a header splitting attack against servers using HTTP/3. This vulnerability affects Firefox < 91.0.1 and Thunderbird < 91.0.1.
CVSS Scoring
CVSS Score
7.5
References
Advisory provided by GitHub Security Advisory Database. Published: May 24, 2022, Modified: May 24, 2022
References
Published: 2021-11-03T00:04:17
Last Modified: 2024-08-03T22:24:59.901Z
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