https://vulnerability.circl.lu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Sat, 03 Oct 2026 22:26:59 +0000 https://vulnerability.circl.lu/vuln/ghsa-mh63-6h87-95cp <p><strong>Affected:</strong> Go: github.com/golang-jwt/jwt/v5, Go: github.com/golang-jwt/jwt/v4, Go: github.com/golang-jwt/jwt</p> <p>### Summary</p> <p>Function [`parse.ParseUnverified`](https://github.com/golang-jwt/jwt/blob/c035977d9e11c351f4c05dfeae193923cbab49ee/parser.go#L138-L139) currently splits (via a call to [strings.Split](https://pkg.go.dev/strings#Split)) its argument (which is untrusted data) on periods.</p> <p>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&#39;s argument), with a constant factor of about 16. Relevant weakness: [CWE-405: Asymmetric Resource Consumption (Amplification)](https://cwe.mitre.org/data/definitions/405.html)</p> <p>### Details</p> <p>See [`parse.ParseUnverified`](https://github.com/golang-jwt/jwt/blob/c035977d9e11c351f4c05dfeae193923cbab49ee/parser.go#L138-L139)</p> <p>### Impact</p> <p>Excessive memory allocation</p> <p><strong>Affected:</strong> Go: github.com/golang-jwt/jwt/v5, Go: github.com/golang-jwt/jwt/v4, Go: github.com/golang-jwt/jwt</p> <p>### Summary</p> <p>Function [`parse.ParseUnverified`](https://github.com/golang-jwt/jwt/blob/c035977d9e11c351f4c05dfeae193923cbab49ee/parser.go#L138-L139) currently splits (via a call to [strings.Split](https://pkg.go.dev/strings#Split)) its argument (which is untrusted data) on periods.</p> <p>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&#39;s argument), with a constant factor of about 16. Relevant weakness: [CWE-405: Asymmetric Resource Consumption (Amplification)](https://cwe.mitre.org/data/definitions/405.html)</p> <p>### Details</p> <p>See [`parse.ParseUnverified`](https://github.com/golang-jwt/jwt/blob/c035977d9e11c351f4c05dfeae193923cbab49ee/parser.go#L138-L139)</p> <p>### Impact</p> <p>Excessive memory allocation</p> https://vulnerability.circl.lu/vuln/ghsa-mh63-6h87-95cp