GHSA-hwhj-rr4w-2xmm

GHSA-hwhj-rr4w-2xmm PUBLISHED CVSS 7.5 HIGH

Record from GitHub Advisory Database · Published May 14, 2022

The Squid Software Foundation Squid HTTP Caching Proxy version prior to version 4.0.23 contains a NULL Pointer Dereference vulnerability in HTTP Response X-Forwarded-For header processing that can result in Denial of Service to all clients of the proxy. This attack appear to be exploitable via Remote HTTP server responding with an X-Forwarded-For header to certain types of HTTP request. This vulnerability appears to have been fixed in 4.0.23 and later.

Risk scores

CVSS 3.0

7.5

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Timeline

May 14, 2022 CVE Published
Apr 30, 2026 Security Advisory
Apr 30, 2026 Distribution Patch

Query this with the API

The same record, from the CLI:

vulnetix vdb vuln GHSA-hwhj-rr4w-2xmm
vulnetix vdb fixes GHSA-hwhj-rr4w-2xmm

Or with curl, using the org id and key from your account page:

curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
  "https://api.vdb.vulnetix.com/v2/vuln/GHSA-hwhj-rr4w-2xmm/fixes/registry"

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References

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