GHSA-h8qx-36w6-3rc4

GHSA-h8qx-36w6-3rc4 PUBLISHED CVSS 7 HIGH

Record from GitHub Advisory Database · Published May 24, 2022

In PHP versions 7.3.x up to and including 7.3.31, 7.4.x below 7.4.25 and 8.0.x below 8.0.12, when running PHP FPM SAPI with main FPM daemon process running as root and child worker processes running as lower-privileged users, it is possible for the child processes to access memory shared with the main process and write to it, modifying it in a way that would cause the root process to conduct invalid memory reads and writes, which can be used to escalate privileges from local unprivileged user to the root user.

Risk scores

CVSS 3.1

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Timeline

May 24, 2022 CVE Published
Apr 9, 2026 Security Advisory
Apr 29, 2026 Distribution Patch (2 in total, the first dated here)

Query this with the API

The same record, from the CLI:

vulnetix vdb vuln GHSA-h8qx-36w6-3rc4
vulnetix vdb fixes GHSA-h8qx-36w6-3rc4

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-h8qx-36w6-3rc4/fixes/registry"

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References

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