Arch Linux Security Advisory ASA-202103-11 ========================================== Severity: Low Date : 2021-03-25 CVE-ID : CVE-2021-28831 Package : mkinitcpio-busybox Type : denial of service Remote : No Link : https://security.archlinux.org/AVG-1708 Summary ======= The package mkinitcpio-busybox before version 1.32.1-3 is vulnerable to denial of service. Resolution ========== Upgrade to 1.32.1-3. # pacman -Syu "mkinitcpio-busybox>=1.32.1-3" The problem has been fixed upstream but no release is available yet. Workaround ========== None. Description =========== decompress_gunzip.c in BusyBox through 1.32.1 mishandles the error bit on the huft_build result pointer, with a resultant invalid free or segmentation fault, via malformed gzip data. Impact ====== A local attacker is able to provide a crafted zip file to crash the application. References ========== https://bugs.archlinux.org/task/70075 https://git.busybox.net/busybox/commit/?id=f25d254dfd4243698c31a4f3153d4ac72... https://security.archlinux.org/CVE-2021-28831