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Off-by-one Error Affecting systemd package, versions <247.3-7+deb11u2

0.0
medium

Snyk CVSS

    Attack Complexity Low
    Availability High

    Threat Intelligence

    EPSS 0.04% (12th percentile)
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NVD
5.5 medium
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SUSE
5.5 medium
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Red Hat
5.5 medium

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  • Snyk ID SNYK-DEBIAN11-SYSTEMD-3111119
  • published 9 Nov 2022
  • disclosed 8 Nov 2022
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Introduced: 8 Nov 2022

CVE-2022-3821 Open this link in a new tab
CWE-193 Open this link in a new tab

How to fix?

Upgrade Debian:11 systemd to version 247.3-7+deb11u2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream systemd package and not the systemd package as distributed by Debian. See How to fix? for Debian:11 relevant fixed versions and status.

An off-by-one Error issue was discovered in Systemd in format_timespan() function of time-util.c. An attacker could supply specific values for time and accuracy that leads to buffer overrun in format_timespan(), leading to a Denial of Service.