Test ID:	1.3.6.1.4.1.25623.1.0.892573
Category:	Debian Local Security Checks
Title:	Debian: Security Advisory (DLA-2573-1)
Summary:	The remote host is missing an update for the Debian 'libzstd' package(s) announced via the DLA-2573-1 advisory.
Description:	Summary: The remote host is missing an update for the Debian 'libzstd' package(s) announced via the DLA-2573-1 advisory. Vulnerability Insight: It was discovered that zstd, a compression utility, was vulnerable to a race condition: it temporarily exposed, during a very short timeframe, a world-readable version of its input even if the original file had restrictive permissions. For Debian 9 stretch, this problem has been fixed in version 1.1.2-1+deb9u1. We recommend that you upgrade your libzstd packages. For the detailed security status of libzstd please refer to its security tracker page at: [link moved to references] Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: [link moved to references] Affected Software/OS: 'libzstd' package(s) on Debian 9. Solution: Please install the updated package(s). CVSS Score: 2.1 CVSS Vector: AV:L/AC:L/Au:N/C:P/I:N/A:N
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2021-24031 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=981404 https://github.com/facebook/zstd/issues/1630 https://www.facebook.com/security/advisories/cve-2021-24031
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