Checked fact 253123 Oct 2026Safety and security

The advisory's case headed "PHP 8.5 fatal error backtrace: confirmed" says: "With `fatal_error_backtraces` enabled, fatal error reporting stores backtrace state owned by the request. Resetting of this global state is always missed during shutdown." It adds: "This is the strongest demonstrated case and is the basis of the confirmed mod_php exploitation."

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The exact words it rests on

PHP 8.5 fatal error backtrace: confirmed ... With `fatal_error_backtraces` enabled, fatal error reporting stores backtrace state owned by the request. Resetting of this global state is always missed during shutdown. ... This is the strongest demonstrated case and is the basis of the confirmed mod_php exploitation.

What the source said when we opened it, on 23 Oct 2026.

The source

GHSA-6wmf-4rv5-p3rp: RCE via stale global state (CVE-2026-109619)
PHP project (php-src security advisories) · 2026-10-21

Open the source archived copy

Checked

Checked by the notis newsroom on 23 Oct 2026, against the source above.

In the story

PHP patches two critical remote code execution flaws 23 Oct 2026

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In a sentence

“The advisory's case headed "PHP 8.5 fatal error backtrace: confirmed" says: "With `fatal_error_backtraces` enabled, fatal error reporting stores backtrace state owned by the request. Resetting of this global state is always missed during shutdown." It adds: "This is the strongest demonstrated case and is the basis of the confirmed mod_php exploitation.".” ai notis, checked 23 Oct 2026. Source: GHSA-6wmf-4rv5-p3rp: RCE via stale global state (CVE-2026-109619) (PHP project (php-src security advisories)). https://ainotis.com/c/2531

As a reference (APA style)

ai notis. (2026, October 23). The advisory's case headed "PHP 8.5 fatal error backtrace: confirmed" says: "With `fatal_error_backtraces` enabled, fatal error reporting stores backtrace state owned by the request. Resetting of this global state is always missed during shutdown." It adds: "This is the strongest demonstrated case and is the basis of the confirmed mod_php exploitation." [Checked claim 2531]. ai notis. https://ainotis.com/c/2531

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