Cyber ·
Security radar: backported patch for out-of-memory flaw in PHP 5.4 to 5.6 (CVE-2026-109618)
On 25 October 2026, a discussion on the oss-sec list covered a backported patch for the out-of-memory (OOM) flaw known as PHP2Shell, in the PHP 5.4 to 5.6 lines.
According to content published in the oss-sec list feed on 25 October 2026, a backported patch was released for the out-of-memory (OOM) flaw known as PHP2Shell, identified as CVE-2026-109618. The patch targets custom builds of PHP 5.4.23 in the 5.4 to 5.6 lines. One message in the discussion asks whether, given the size of the upstream patch, it would be better to handle memory exhaustion by terminating the process instead of applying the full fix. The source does not detail the exploitation vector or the version of each fix. To verify, consult the original oss-sec post and the advisory from the vendor or distribution you use.
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