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fix(security): interim php2shell mitigations until patched PHP lands #83

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Merged
andypotanin merged 1 commit into from
Oct 21, 2026
Merged

fix(security): interim php2shell mitigations until patched PHP lands #83

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2 changes: 2 additions & 0 deletions Dockerfile
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Original file line number Diff line number Diff line change
Expand Up @@ -43,6 +43,8 @@ COPY etc/configs/nginx/default.conf /etc/nginx/sites-available/default
COPY etc/configs/nginx/snippets/fastcgi-php.conf /etc/nginx/snippets/fastcgi-php"${PHP_VERSION}".conf
COPY etc/configs/php/php-fpm.conf /etc/php/"${PHP_VERSION}"/fpm/php-fpm.conf
COPY etc/configs/php/www.conf /etc/php/"${PHP_VERSION}"/fpm/pool.d/www.conf
COPY etc/configs/php/conf.d/99-php2shell-mitigation.ini /etc/php/"${PHP_VERSION}"/fpm/conf.d/99-php2shell-mitigation.ini
COPY etc/configs/php/conf.d/99-php2shell-mitigation.ini /etc/php/"${PHP_VERSION}"/cli/conf.d/99-php2shell-mitigation.ini

# Update default.conf with PHP socket and configure PHP-FPM with custom settings
RUN sed -i "s|\${PHP_VERSION}|${PHP_VERSION}|g" /etc/nginx/snippets/fastcgi-php"${PHP_VERSION}".conf && \
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5 changes: 5 additions & 0 deletions etc/configs/php/conf.d/99-php2shell-mitigation.ini
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@@ -0,0 +1,5 @@
; Interim mitigations for CVE-2026-109618 / CVE-2026-109619; remove once PHP is patched
; GHSA-w8hw-w9fx-j79w: memory_limit=-1 removes the predictable per-request limit the confirmed exploit needs
memory_limit = -1

@devin-ai-integration devin-ai-integration Bot Oct 21, 2026

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🟨 Unbounded requests can exhaust pod memory

When a PHP request allocates excessively, memory_limit = -1 lets it consume the pod's remaining memory. The pod can be killed, taking other requests offline.

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; GHSA-6wmf-4rv5-p3rp: closes the session upload progress producer path
session.upload_progress.enabled = 0
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