vulnerability
Red Hat: CVE-2021-20266: CVE-2021-20266 rpm: missing length checks in hdrblobInit() (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 4 | (AV:N/AC:L/Au:S/C:N/I:N/A:P) | Apr 30, 2021 | Nov 10, 2021 | Aug 11, 2025 |
Severity
4
CVSS
(AV:N/AC:L/Au:S/C:N/I:N/A:P)
Published
Apr 30, 2021
Added
Nov 10, 2021
Modified
Aug 11, 2025
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.
Solutions
no-fix-redhat-rpm-packageredhat-upgrade-python3-rpmredhat-upgrade-python3-rpm-debuginforedhat-upgrade-rpmredhat-upgrade-rpm-apidocsredhat-upgrade-rpm-buildredhat-upgrade-rpm-build-debuginforedhat-upgrade-rpm-build-libsredhat-upgrade-rpm-build-libs-debuginforedhat-upgrade-rpm-cronredhat-upgrade-rpm-debuginforedhat-upgrade-rpm-debugsourceredhat-upgrade-rpm-develredhat-upgrade-rpm-devel-debuginforedhat-upgrade-rpm-libsredhat-upgrade-rpm-libs-debuginforedhat-upgrade-rpm-plugin-fapolicydredhat-upgrade-rpm-plugin-fapolicyd-debuginforedhat-upgrade-rpm-plugin-imaredhat-upgrade-rpm-plugin-ima-debuginforedhat-upgrade-rpm-plugin-prioresetredhat-upgrade-rpm-plugin-prioreset-debuginforedhat-upgrade-rpm-plugin-selinuxredhat-upgrade-rpm-plugin-selinux-debuginforedhat-upgrade-rpm-plugin-syslogredhat-upgrade-rpm-plugin-syslog-debuginforedhat-upgrade-rpm-plugin-systemd-inhibitredhat-upgrade-rpm-plugin-systemd-inhibit-debuginforedhat-upgrade-rpm-signredhat-upgrade-rpm-sign-debuginfo
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