Resource exhaustion in Authlib Joserfc
CVE-2025-65015
joserfc is a Python library that provides an implementation of several JSON Object Signing and Encryption (JOSE) standards. In versions from 1.3.3 to before 1.3.5 and from 1.4.0 to before 1.4.2, the ExceededSizeError exception messages are…
EPSS: 0.003 (24.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Authlib Joserfc — versions >= 1.3.3, < 1.3.5, >= 1.4.0, < 1.4.2
- Hsiaoming Joserfc
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC, Release Notes)
- security-advisories@github.com (x_refsource_MISC, Release Notes)
Frequently asked questions
- What is CVE-2025-65015?
- CVE-2025-65015 is a high-severity vulnerability in Authlib Joserfc, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2025-11-18.
- How severe is CVE-2025-65015?
- High severity. CVSS v3 base score is 7.5 out of 10.