Local root vulnerability hauv PHP-FPM

Hauv PHP-FPM, FastCGI tus neeg saib xyuas cov txheej txheem suav nrog hauv PHP tseem ceeb faib pib nrog ceg 5.3, qhov muaj qhov tsis zoo tseem ceeb CVE-2021-21703 tau raug txheeb xyuas, uas tso cai rau tus neeg siv tsis tau txais txiaj ntsig hosting los ua cov cai nrog cov cai hauv paus. Qhov teeb meem tshwm sim ntawm cov servers uas siv PHP-FPM, feem ntau yog siv nrog Nginx, khiav PHP scripts. Cov kws tshawb fawb uas txheeb xyuas qhov teeb meem tuaj yeem npaj cov qauv ua haujlwm ntawm kev siv.