security advisorycriticaldebian The gunzip decompressor of Busybox, tiny utilities for small and embedded systems, mishandled the error bit on the huft_build result pointer, with a resultant invalid free or segmentation fault, via malformed gzip data. . -------------------------------------------------------------------------Debian LTS Advisory DLA-2614-1 This email address is being protected from spambots. You need JavaScript enabled to view it. https://www.debian.org/lts/security/ Markus Koschany April 01, 2021 https://wiki.debian.org/LTS -------------------------------------------------------------------------Package : busybox Version : 1:1.22.0-19+deb9u2 CVE ID : CVE-2021-28831 Debian Bug : 986217 The gunzip decompressor of Busybox, tiny utilities for small and embedded systems, mishandled the error bit on the huft_build result pointer, with a resultant invalid free or segmentation fault, via malformed gzip data. For Debian 9 stretch, this problem has been fixed in version 1:1.22.0-19+deb9u2. We recommend that you upgrade your busybox packages. For the detailed security status of busybox please refer to its security tracker page at: https://security-tracker.debian.org/tracker/source-package/busybox Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS . The patch addressing the Busybox vulnerability in Debian LTS DLA-2614-1 safeguards the system against improperly formatted gzip files.. busybox update, Debian advisory, gzip decompressor, segmentation fault issue. . Severity: Critical. LinuxSecurity.com Team
Apr 01, 2021 •Critical Debian LTS