Party

Jakub Zelenka (bukka), PHP security team

published both GitHub advisories and the oss-security announcements

Unauthenticated RCE over HTTP against Apache mod_php with …The fix removes longjmp() for out-of-memory errors in favo…Updating is the only complete mitigation; the configuratio…The leak started with an anonymous Hacker News post citing…RCE via OOM corruption (CVE-2026-109618)CVE-2026-109618: PHP 8.2–8.5 RCE via OOM corruptionJakub Zelenka (bukka), PHP security team

Claims this site attributes to this party

ClaimWho says itStatusPrimarySources
Unauthenticated RCE over HTTP against Apache mod_php with default settings, before any application code runsPHP security team (GHSA, oss-security), php.netconfirmed3/3PHP oss-security php.net
The fix removes longjmp() for out-of-memory errors in favour of a delayed soft OOM at the next VM safe point and a hard OOM via _exit(); the changelog line is 'Avoid state corruption via bailout'PHP security teamconfirmed3/3PHP php.net php-src
Updating is the only complete mitigation; the configuration measures reduce exposure to specific paths and do not make an installation safephp.net; PHP security teamconfirmed3/3php.net oss-security PHP
The leak started with an anonymous Hacker News post citing a reliable source, which came down after screenshots spread; a screenshot of the 'PHP2Shell tool' credited to Calif.io and a short exploitation video also went up and came down
Contradicts the Foundation's 'no technical details leaked' and The Hacker News's 'a proof-of-concept exploit leaked'. No copy of the post, screenshot or video is in the vault.
Alexandre Daubois (PHP security team, personal blog)reported0/1Daubois

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