CVE-2022-4900

NameCVE-2022-4900
DescriptionA vulnerability was found in PHP where setting the environment variable PHP_CLI_SERVER_WORKERS to a large value leads to a heap buffer overflow.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
php7.4 (PTS)bullseye (security), bullseye7.4.33-1+deb11u5vulnerable
php8.2 (PTS)bookworm8.2.20-1~deb12u1fixed
bookworm (security)8.2.24-1~deb12u1fixed
sid, trixie8.2.24-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
php7.3source(unstable)(not affected)
php7.4source(unstable)(unfixed)
php8.2source(unstable)(not affected)

Notes

- php8.2 <not-affected> (Fixed before initial upload)
[bullseye] - php7.4 <postponed> (Minor issue, fix along in future update)
- php7.3 <not-affected> (Vulnerable code not present)
https://github.com/php/php-src/issues/8989
https://github.com/php/php-src/pull/9000
https://github.com/php/php-src/commit/789a37f14405e2d1a05a76c9fb4ed2d49d4580d5 (php-8.0.22RC1)
Introduced by: https://github.com/php/php-src/commit/82effb3fc7bcab0efcc343b3e03355f5f2f663c9 (php-7.4.0RC1)

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