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ALPINE-CVE-2026-56434

ALPINE-CVE-2026-56434

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NGINX Plus and NGINX Open Source have a vulnerability in the ngx_http_ssi_module module. This vulnerability may exist when the Server-Side Includes (SSI), proxy_pass, and proxy_buffering off directives are configured. With this configuration, an unauthenticated attacker with man-in-the-middle (MITM) ability to control responses from an upstream server may be able to cause a use-after-free in the NGINX worker process. This issue may lead to limited modification of memory or a restart of the NGINX worker process. Impact: This vulnerability may allow remote attackers to have limited control to modify memory contents or restart the NGINX worker process. There is no control plane exposure; this is a data plane issue only. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CVSS 8.3 · Élevée · Correctif disponible

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Mise à jour

Pile logicielle: system · web

Produits et versions concernés

  • nginx Alpine:v3.21

    Plages de versions concernées
    • ECOSYSTEM: < 1.26.3-r2

    Mettez à jour vers 1.26.3-r2

  • nginx Alpine:v3.22

    Plages de versions concernées
    • ECOSYSTEM: < 1.28.3-r6

    Mettez à jour vers 1.28.3-r6

  • nginx Alpine:v3.23

    Plages de versions concernées
    • ECOSYSTEM: < 1.28.3-r6

    Mettez à jour vers 1.28.3-r6

  • nginx Alpine:v3.24

    Plages de versions concernées
    • ECOSYSTEM: < 1.30.4-r0

    Mettez à jour vers 1.30.4-r0

Sources originales

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