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Red Hat: CVE-2021-20266: CVE-2021-20266 rpm: missing length checks in hdrblobInit() (Multiple Advisories)

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Red Hat: CVE-2021-20266: CVE-2021-20266 rpm: missing length checks in hdrblobInit() (Multiple Advisories)

Severity
4
CVSS
(AV:N/AC:L/Au:S/C:N/I:N/A:P)
Published
04/30/2021
Created
11/11/2021
Added
11/10/2021
Modified
12/15/2023

Description

A flaw was found in RPM's hdrblobInit() in lib/header.c. This flaw allows an attacker who can modify the rpmdb to cause an out-of-bounds read. The highest threat from this vulnerability is to system availability.

Solution(s)

  • redhat-upgrade-python3-rpm
  • redhat-upgrade-python3-rpm-debuginfo
  • redhat-upgrade-rpm
  • redhat-upgrade-rpm-apidocs
  • redhat-upgrade-rpm-build
  • redhat-upgrade-rpm-build-debuginfo
  • redhat-upgrade-rpm-build-libs
  • redhat-upgrade-rpm-build-libs-debuginfo
  • redhat-upgrade-rpm-cron
  • redhat-upgrade-rpm-debuginfo
  • redhat-upgrade-rpm-debugsource
  • redhat-upgrade-rpm-devel
  • redhat-upgrade-rpm-devel-debuginfo
  • redhat-upgrade-rpm-libs
  • redhat-upgrade-rpm-libs-debuginfo
  • redhat-upgrade-rpm-plugin-fapolicyd
  • redhat-upgrade-rpm-plugin-fapolicyd-debuginfo
  • redhat-upgrade-rpm-plugin-ima
  • redhat-upgrade-rpm-plugin-ima-debuginfo
  • redhat-upgrade-rpm-plugin-prioreset
  • redhat-upgrade-rpm-plugin-prioreset-debuginfo
  • redhat-upgrade-rpm-plugin-selinux
  • redhat-upgrade-rpm-plugin-selinux-debuginfo
  • redhat-upgrade-rpm-plugin-syslog
  • redhat-upgrade-rpm-plugin-syslog-debuginfo
  • redhat-upgrade-rpm-plugin-systemd-inhibit
  • redhat-upgrade-rpm-plugin-systemd-inhibit-debuginfo
  • redhat-upgrade-rpm-sign
  • redhat-upgrade-rpm-sign-debuginfo

References

  • CVE-2021-20266
  • RHSA-2021:4489

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