CVE-2026-23394 af_unix: Give up GC if MSG_PEEK intervened.

In the Linux kernel, the following vulnerability has been resolved: afunix: Give up GC if MSGPEEK intervened. Igor Ushakov reported that GC purged the receive queue of an alive socket due to a race with MSGPEEK with a nice repro. This is the exact same issue previously fixed by commit cbcf01128d0...

Internet Bug Bounty: ZipArchive class Use After Free Vulnerability in PHP's GC algorithm and unserialize

https://bugs.php.net/bug.php?id=72434 This vulnerability was discovered during the auditing of a vendor on Hackerone. Similar to our other submission on bugs.php.net and here, this vulnerability is remotely exploitable. Please feel free to ask for more technical details if necessary. Thank you fo...

Internet Bug Bounty: Use After Free Vulnerability in PHP's GC algorithm and unserialize

https://bugs.php.net/bug.php?id=72433 This vulnerability was discovered during the auditing of a vendor on Hackerone and could be successfully remotely exploited. The required conditions are a normal PHP setup with a PHP version = 5.3 and 7. Further, it is enough if the remote side uses code like...