undertow: A flaw was found in Undertow, which incorrectly parses cookies with certain value-delimiting characters in incoming r...
CVE-2023-4639 is fixed in undertow on 1 platform, first by CVE-2023-4639, released November 17, 2024. It is not reported as exploited. Patch Radar priority: High.
A flaw was found in Undertow, which incorrectly parses cookies with certain value-delimiting characters in incoming requests. This issue could allow an attacker to construct a cookie value to exfiltrate HttpOnly cookie values or spoof arbitrary additional cookie values, leading to unauthorized data access or modification. The main threat from this flaw impacts data confidentiality and integrity.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| undertow · Debian 13.5 (trixie) | 2.3.18-1 | CVE-2023-4639 | Nov 17, 2024 |
| undertow · Debian 14 | 2.3.18-1 | DEBIAN-CVE-2023-4639 | Nov 17, 2024 |
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