CVE-2022-25901
cookiejar: Regular Expression Denial of Service (ReDoS)
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · January 18, 2023
Updated · September 17, 2026
Description
A Regular Expression Denial of Service (ReDoS) vulnerability was found in cookiejar via the Cookie.parse function and other aspects of the API, which uses an insecure regular expression for parsing cookie values. Applications could be stalled for extended periods of time if untrusted input is passed to cookie values or attempted to parse from request headers.regular expression.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-1333 · Inefficient Regular Expression Complexity