CVE-2025-54581: vproxy Divide by Zero DoS Vulnerability

July 30, 2025 (updated July 31, 2025)

Untrusted, user-controlled data from the HTTP Proxy-Authorization header can induce a denial of service state.

References

github.com/0x676e67/vproxy
github.com/0x676e67/vproxy/commit/aa1bf64c5e7f1c471395f9f29175ffc1b16a1079
github.com/0x676e67/vproxy/releases/tag/v2.4.0
github.com/0x676e67/vproxy/security/advisories/GHSA-7h24-c332-p48c
github.com/advisories/GHSA-7h24-c332-p48c
nvd.nist.gov/vuln/detail/CVE-2025-54581

Code Behaviors & Features

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