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CVE-2022-4900: Invalid Bug ID
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.
‘2179880?cve=title’ is not a valid bug number nor an alias to a bug.
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Ubuntu Security Notice 6757-2 - USN-6757-1 fixed vulnerabilities in PHP. Unfortunately these fixes were incomplete for Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, and Ubuntu 23.10. This update fixes the problem. It was discovered that PHP incorrectly handled PHP_CLI_SERVER_WORKERS variable. An attacker could possibly use this issue to cause a crash or execute arbitrary code. This issue only affected Ubuntu 20.04 LTS, and Ubuntu 22.04 LTS.
Ubuntu Security Notice 6757-1 - It was discovered that PHP incorrectly handled PHP_CLI_SERVER_WORKERS variable. An attacker could possibly use this issue to cause a crash or execute arbitrary code. This issue only affected Ubuntu 20.04 LTS, and Ubuntu 22.04 LTS. It was discovered that PHP incorrectly handled certain cookies. An attacker could possibly use this issue to cookie by pass.