CVE - CVE-2025-30204

CVE-ID
CVE-2025-30204	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
Description
golang-jwt is a Go implementation of JSON Web Tokens. Prior to 5.2.2 and 4.5.2, the function parse.ParseUnverified splits (via a call to strings.Split) its argument (which is untrusted data) on periods. As a result, in the face of a malicious request whose Authorization header consists of Bearer followed by many period characters, a call to that function incurs allocations to the tune of O(n) bytes (where n stands for the length of the function's argument), with a constant factor of about 16. This issue is fixed in 5.2.2 and 4.5.2.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:https://github.com/golang-jwt/jwt/commit/0951d184286dece21f73c85673fd308786ffe9c3 URL:https://github.com/golang-jwt/jwt/commit/0951d184286dece21f73c85673fd308786ffe9c3 MISC:https://github.com/golang-jwt/jwt/security/advisories/GHSA-mh63-6h87-95cp URL:https://github.com/golang-jwt/jwt/security/advisories/GHSA-mh63-6h87-95cp
Assigning CNA
GitHub (maintainer security advisories)
Date Record Created
20250318	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20250318)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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