PatchTheCVECVE-2022-25901: Versions of the package cookiejar before 2.1.4 are vulnerable to Regular Expression Denial of Service (ReDoS)
CVE-2022-25901 is a medium-severity flaw (CVSS 5.3) affecting cookiejar. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Versions of the package cookiejar before 2.1.4 are vulnerable to Regular Expression Denial of Service (ReDoS) via the Cookie.parse function, which uses an insecure regular expression.
Why this priority
- Public exploit reference
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 5.3 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 1.6% (top 24%) |
| CISA exploited list | No |
| Weakness | CWE-1333 |
| Published | 2023-01-18 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2022-25901?
cookiejar: upgrade to newer than 2.1.3. Exact commands for each OS are on this page.
Is CVE-2022-25901 being exploited?
CVE-2022-25901 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2022-25901 affect?
CVE-2022-25901 affects cookiejar. Severity is medium (CVSS 5.3). Versions of the package cookiejar before 2.1.4 are vulnerable to Regular Expression Denial of Service (ReDoS) via the Cookie.parse function, which uses an insecure regular expression.
How urgent is CVE-2022-25901?
Priority 47/100. Public exploit reference; Remotely exploitable, no login, no user action