SB2025070409 - Inefficient regular expression complexity in octokit request-error

Description

This security bulletin contains information about 1 vulnerability.

1) Inefficient regular expression complexity (CVE-ID: CVE-2025-25289)

CWE-ID: CWE-1333 - Inefficient Regular Expression Complexity

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient input validation when processing untrusted input with a regular expressions in the processing of HTTP request headers. A remote attacker can send an authorization header containing an excessively long sequence of spaces followed by a newline and "@" to exploit inefficient regular expression processing and leading to excessive resource consumption.

Remediation

Install update from vendor's website.

References

• https://github.com/octokit/request-error.js/blob/main/src/index.ts
• https://github.com/octokit/request-error.js/commit/d558320874a4bc8d356babf1079e6f0056a59b9e
• https://github.com/octokit/request-error.js/security/advisories/GHSA-xx4v-prfh-6cgc