A vulnerability was found in PHP where setting the environment variable PHP_CLI_SERVER_WORKERS to a large value leads to a heap buffer overflow.
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Score 6.2 from GitHub Security Advisory published 2023-11-02. NVD baseline CVSS 6.2; sources differ by 0.0.
A vulnerability was found in PHP where setting the environment variable PHP_CLI_SERVER_WORKERS to a large value leads to a heap buffer overflow.
November 2, 2023
November 3, 2025
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | php7.0-zip (7.0.33-0ubuntu0.16.04.16+esm9) @ xenial | 2026-05-24 | ubuntu |
| ubuntu | php8.2-zip (8.2.10-2ubuntu2.1) @ mantic | 2026-05-24 | ubuntu |
| redhat | php:8.0-8070020230118114629.ef331662 | 2023-02-21 | redhat |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
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Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.
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redhat
CWE-119 · CWE-787