# CVE-2021-20266: rpm: The RPM Package Manager (RPM) is a command-line driven package management system capable of installing, uninstalling,...

CVE-2021-20266 is fixed in 24 products on 1 platform, first by debugedit 4.14.1+dfsg1-2ubuntu0.1~esm1, released May 19, 2021. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2021-20266
- Priority: Routine
- CVSS: 4.9 (Low)
- EPSS: 0.0153
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Apr 30, 2021

## Description

The RPM Package Manager (RPM) is a command-line driven package management system capable of installing, uninstalling, verifying, querying, and updating software packages.  Security Fix(es):  * rpm: missing length checks in hdrblobInit() (CVE-2021-20266)  For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.  Additional Changes:  For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.5 Release Notes linked from the References section.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | debugedit Ubuntu 18.04.6 LTS (bionic) | 4.14.1+dfsg1-2ubuntu0.1~esm1 | [debugedit 4.14.1+dfsg1-2ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-debugedit-4.14.1-dfsg1-2ubuntu0.1-esm1.md) | May 19, 2021 |
| Linux | debugedit Ubuntu 20.04 LTS (focal) | 4.14.2.1+dfsg1-1ubuntu0.1~esm1 | [debugedit 4.14.2.1+dfsg1-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-debugedit-4.14.2.1-dfsg1-1ubuntu0.1-esm1.md) | May 19, 2021 |
| Linux | librpm8 Ubuntu 18.04.6 LTS (bionic) | 4.14.1+dfsg1-2ubuntu0.1~esm1 | [librpm8 4.14.1+dfsg1-2ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-librpm8-4.14.1-dfsg1-2ubuntu0.1-esm1.md) | May 19, 2021 |
| Linux | librpm8 Ubuntu 20.04 LTS (focal) | 4.14.2.1+dfsg1-1ubuntu0.1~esm1 | [librpm8 4.14.2.1+dfsg1-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-librpm8-4.14.2.1-dfsg1-1ubuntu0.1-esm1.md) | May 19, 2021 |
| Linux | librpmbuild8 Ubuntu 18.04.6 LTS (bionic) | 4.14.1+dfsg1-2ubuntu0.1~esm1 | [librpmbuild8 4.14.1+dfsg1-2ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-librpmbuild8-4.14.1-dfsg1-2ubuntu0.1-esm1.md) | May 19, 2021 |
| Linux | librpmbuild8 Ubuntu 20.04 LTS (focal) | 4.14.2.1+dfsg1-1ubuntu0.1~esm1 | [librpmbuild8 4.14.2.1+dfsg1-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-librpmbuild8-4.14.2.1-dfsg1-1ubuntu0.1-esm1.md) | May 19, 2021 |
| Linux | librpmio8 Ubuntu 18.04.6 LTS (bionic) | 4.14.1+dfsg1-2ubuntu0.1~esm1 | [librpmio8 4.14.1+dfsg1-2ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-librpmio8-4.14.1-dfsg1-2ubuntu0.1-esm1.md) | May 19, 2021 |
| Linux | librpmio8 Ubuntu 20.04 LTS (focal) | 4.14.2.1+dfsg1-1ubuntu0.1~esm1 | [librpmio8 4.14.2.1+dfsg1-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-librpmio8-4.14.2.1-dfsg1-1ubuntu0.1-esm1.md) | May 19, 2021 |
| Linux | librpmsign8 Ubuntu 18.04.6 LTS (bionic) | 4.14.1+dfsg1-2ubuntu0.1~esm1 | [librpmsign8 4.14.1+dfsg1-2ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-librpmsign8-4.14.1-dfsg1-2ubuntu0.1-esm1.md) | May 19, 2021 |
| Linux | librpmsign8 Ubuntu 20.04 LTS (focal) | 4.14.2.1+dfsg1-1ubuntu0.1~esm1 | [librpmsign8 4.14.2.1+dfsg1-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-librpmsign8-4.14.2.1-dfsg1-1ubuntu0.1-esm1.md) | May 19, 2021 |
| Linux | python-rpm Ubuntu 18.04.6 LTS (bionic) | 4.14.1+dfsg1-2ubuntu0.1~esm1 | [python-rpm 4.14.1+dfsg1-2ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-python-rpm-4.14.1-dfsg1-2ubuntu0.1-esm1.md) | May 19, 2021 |
| Linux | python-rpm Ubuntu 20.04 LTS (focal) | 4.14.2.1+dfsg1-1ubuntu0.1~esm1 | [python-rpm 4.14.2.1+dfsg1-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-python-rpm-4.14.2.1-dfsg1-1ubuntu0.1-esm1.md) | May 19, 2021 |
| Linux | python3-rpm RHEL 8 | 0:4.14.3-19.el8 | [RHSA-2021:4489](https://patchblox.com/security/data/fix/linux/rhsa-2021-4489.md) | Nov 9, 2021 |
| Linux | python3-rpm Ubuntu 18.04.6 LTS (bionic) | 4.14.1+dfsg1-2ubuntu0.1~esm1 | [python3-rpm 4.14.1+dfsg1-2ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-python3-rpm-4.14.1-dfsg1-2ubuntu0.1-esm1.md) | May 19, 2021 |
| Linux | python3-rpm Ubuntu 20.04 LTS (focal) | 4.14.2.1+dfsg1-1ubuntu0.1~esm1 | [python3-rpm 4.14.2.1+dfsg1-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-python3-rpm-4.14.2.1-dfsg1-1ubuntu0.1-esm1.md) | May 19, 2021 |
| Linux | python3-rpm ol 8 | 0:4.14.3-19.el8 | [ELSA-2021-4489](https://patchblox.com/security/data/fix/linux/elsa-2021-4489.md) | Nov 16, 2021 |
| Linux | rpm RHEL 8 | 0:4.14.3-19.el8 | [RHSA-2021:4489](https://patchblox.com/security/data/fix/linux/rhsa-2021-4489.md) | Nov 9, 2021 |
| Linux | rpm Ubuntu 18.04.6 LTS (bionic) | 4.14.1+dfsg1-2ubuntu0.1~esm1 | [rpm 4.14.1+dfsg1-2ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-rpm-4.14.1-dfsg1-2ubuntu0.1-esm1.md) | May 19, 2021 |
| Linux | rpm Ubuntu 20.04 LTS (focal) | 4.14.2.1+dfsg1-1ubuntu0.1~esm1 | [rpm 4.14.2.1+dfsg1-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-rpm-4.14.2.1-dfsg1-1ubuntu0.1-esm1.md) | May 19, 2021 |
| Linux | rpm ol 8 | 0:4.14.3-19.el8 | [ELSA-2021-4489](https://patchblox.com/security/data/fix/linux/elsa-2021-4489.md) | Nov 16, 2021 |
| Linux | rpm rocky 8 | 0:4.14.3-19.el8 | [RLSA-2021:4489](https://patchblox.com/security/data/fix/linux/rlsa-2021-4489.md) | Nov 9, 2021 |
| Linux | rpm-apidocs RHEL 8 | 0:4.14.3-19.el8 | [RHSA-2021:4489](https://patchblox.com/security/data/fix/linux/rhsa-2021-4489.md) | Nov 9, 2021 |
| Linux | rpm-apidocs ol 8 | 0:4.14.3-19.el8 | [ELSA-2021-4489](https://patchblox.com/security/data/fix/linux/elsa-2021-4489.md) | Nov 16, 2021 |
| Linux | rpm-build RHEL 8 | 0:4.14.3-19.el8 | [RHSA-2021:4489](https://patchblox.com/security/data/fix/linux/rhsa-2021-4489.md) | Nov 9, 2021 |
| Linux | rpm-build almalinux 8 | 4.14.3-19.el8 | [ALSA-2021:4489](https://patchblox.com/security/data/fix/linux/alsa-2021-4489.md) | Nov 9, 2021 |
| Linux | rpm-build ol 8 | 0:4.14.3-19.el8 | [ELSA-2021-4489](https://patchblox.com/security/data/fix/linux/elsa-2021-4489.md) | Nov 16, 2021 |
| Linux | rpm-build-libs RHEL 8 | 0:4.14.3-19.el8 | [RHSA-2021:4489](https://patchblox.com/security/data/fix/linux/rhsa-2021-4489.md) | Nov 9, 2021 |
| Linux | rpm-build-libs ol 8 | 0:4.14.3-19.el8 | [ELSA-2021-4489](https://patchblox.com/security/data/fix/linux/elsa-2021-4489.md) | Nov 16, 2021 |
| Linux | rpm-common Ubuntu 18.04.6 LTS (bionic) | 4.14.1+dfsg1-2ubuntu0.1~esm1 | [rpm-common 4.14.1+dfsg1-2ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-rpm-common-4.14.1-dfsg1-2ubuntu0.1-esm1.md) | May 19, 2021 |
| Linux | rpm-common Ubuntu 20.04 LTS (focal) | 4.14.2.1+dfsg1-1ubuntu0.1~esm1 | [rpm-common 4.14.2.1+dfsg1-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-rpm-common-4.14.2.1-dfsg1-1ubuntu0.1-esm1.md) | May 19, 2021 |
| Linux | rpm-cron RHEL 8 | 0:4.14.3-19.el8 | [RHSA-2021:4489](https://patchblox.com/security/data/fix/linux/rhsa-2021-4489.md) | Nov 9, 2021 |
| Linux | rpm-cron ol 8 | 0:4.14.3-19.el8 | [ELSA-2021-4489](https://patchblox.com/security/data/fix/linux/elsa-2021-4489.md) | Nov 16, 2021 |
| Linux | rpm-devel RHEL 8 | 0:4.14.3-19.el8 | [RHSA-2021:4489](https://patchblox.com/security/data/fix/linux/rhsa-2021-4489.md) | Nov 9, 2021 |
| Linux | rpm-devel ol 8 | 0:4.14.3-19.el8 | [ELSA-2021-4489](https://patchblox.com/security/data/fix/linux/elsa-2021-4489.md) | Nov 16, 2021 |
| Linux | rpm-i18n Ubuntu 18.04.6 LTS (bionic) | 4.14.1+dfsg1-2ubuntu0.1~esm1 | [rpm-i18n 4.14.1+dfsg1-2ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-rpm-i18n-4.14.1-dfsg1-2ubuntu0.1-esm1.md) | May 19, 2021 |
| Linux | rpm-i18n Ubuntu 20.04 LTS (focal) | 4.14.2.1+dfsg1-1ubuntu0.1~esm1 | [rpm-i18n 4.14.2.1+dfsg1-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-rpm-i18n-4.14.2.1-dfsg1-1ubuntu0.1-esm1.md) | May 19, 2021 |
| Linux | rpm-libs RHEL 8 | 0:4.14.3-19.el8 | [RHSA-2021:4489](https://patchblox.com/security/data/fix/linux/rhsa-2021-4489.md) | Nov 9, 2021 |
| Linux | rpm-libs ol 8 | 0:4.14.3-19.el8 | [ELSA-2021-4489](https://patchblox.com/security/data/fix/linux/elsa-2021-4489.md) | Nov 16, 2021 |
| Linux | rpm-plugin-fapolicyd RHEL 8 | 0:4.14.3-19.el8 | [RHSA-2021:4489](https://patchblox.com/security/data/fix/linux/rhsa-2021-4489.md) | Nov 9, 2021 |
| Linux | rpm-plugin-fapolicyd almalinux 8 | 4.14.3-19.el8 | [ALSA-2021:4489](https://patchblox.com/security/data/fix/linux/alsa-2021-4489.md) | Nov 9, 2021 |
| Linux | rpm-plugin-fapolicyd ol 8 | 0:4.14.3-19.el8 | [ELSA-2021-4489](https://patchblox.com/security/data/fix/linux/elsa-2021-4489.md) | Nov 16, 2021 |
| Linux | rpm-plugin-ima RHEL 8 | 0:4.14.3-19.el8 | [RHSA-2021:4489](https://patchblox.com/security/data/fix/linux/rhsa-2021-4489.md) | Nov 9, 2021 |
| Linux | rpm-plugin-ima ol 8 | 0:4.14.3-19.el8 | [ELSA-2021-4489](https://patchblox.com/security/data/fix/linux/elsa-2021-4489.md) | Nov 16, 2021 |
| Linux | rpm-plugin-prioreset RHEL 8 | 0:4.14.3-19.el8 | [RHSA-2021:4489](https://patchblox.com/security/data/fix/linux/rhsa-2021-4489.md) | Nov 9, 2021 |
| Linux | rpm-plugin-prioreset ol 8 | 0:4.14.3-19.el8 | [ELSA-2021-4489](https://patchblox.com/security/data/fix/linux/elsa-2021-4489.md) | Nov 16, 2021 |
| Linux | rpm-plugin-selinux RHEL 8 | 0:4.14.3-19.el8 | [RHSA-2021:4489](https://patchblox.com/security/data/fix/linux/rhsa-2021-4489.md) | Nov 9, 2021 |
| Linux | rpm-plugin-selinux ol 8 | 0:4.14.3-19.el8 | [ELSA-2021-4489](https://patchblox.com/security/data/fix/linux/elsa-2021-4489.md) | Nov 16, 2021 |
| Linux | rpm-plugin-syslog RHEL 8 | 0:4.14.3-19.el8 | [RHSA-2021:4489](https://patchblox.com/security/data/fix/linux/rhsa-2021-4489.md) | Nov 9, 2021 |
| Linux | rpm-plugin-syslog ol 8 | 0:4.14.3-19.el8 | [ELSA-2021-4489](https://patchblox.com/security/data/fix/linux/elsa-2021-4489.md) | Nov 16, 2021 |
| Linux | rpm-plugin-systemd-inhibit RHEL 8 | 0:4.14.3-19.el8 | [RHSA-2021:4489](https://patchblox.com/security/data/fix/linux/rhsa-2021-4489.md) | Nov 9, 2021 |
| Linux | rpm-plugin-systemd-inhibit ol 8 | 0:4.14.3-19.el8 | [ELSA-2021-4489](https://patchblox.com/security/data/fix/linux/elsa-2021-4489.md) | Nov 16, 2021 |
| Linux | rpm-sign RHEL 8 | 0:4.14.3-19.el8 | [RHSA-2021:4489](https://patchblox.com/security/data/fix/linux/rhsa-2021-4489.md) | Nov 9, 2021 |
| Linux | rpm-sign ol 8 | 0:4.14.3-19.el8 | [ELSA-2021-4489](https://patchblox.com/security/data/fix/linux/elsa-2021-4489.md) | Nov 16, 2021 |
| Linux | rpm2cpio Ubuntu 18.04.6 LTS (bionic) | 4.14.1+dfsg1-2ubuntu0.1~esm1 | [rpm2cpio 4.14.1+dfsg1-2ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-rpm2cpio-4.14.1-dfsg1-2ubuntu0.1-esm1.md) | May 19, 2021 |
| Linux | rpm2cpio Ubuntu 20.04 LTS (focal) | 4.14.2.1+dfsg1-1ubuntu0.1~esm1 | [rpm2cpio 4.14.2.1+dfsg1-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-rpm2cpio-4.14.2.1-dfsg1-1ubuntu0.1-esm1.md) | May 19, 2021 |

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