CVE-2021-20266

MITRE NVD CVE.ORG Print: PDF PDF

Summary

CVECVE-2021-20266
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-04-30 12:15:00 UTC
Updated2023-11-07 03:29:00 UTC
DescriptionA 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.

Risk And Classification

Problem Types: CWE-125

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Fedoraproject Fedora 33 All All All
Operating System Fedoraproject Fedora 34 All All All
Application Rpm Rpm All All All All

References

ReferenceSourceLinkTags
1927741 – (CVE-2021-20266) CVE-2021-20266 rpm: missing length checks in hdrblobInit() MISC bugzilla.redhat.com
RPM: Multiple vulnerabilities (GLSA 202107-43) — Gentoo security GENTOO security.gentoo.org
[SECURITY] Fedora 33 Update: rpm-4.16.1.3-1.fc33 - package-announce - Fedora Mailing-Lists MISC lists.fedoraproject.org
[SECURITY] Fedora 33 Update: rpm-4.16.1.3-1.fc33 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
[SECURITY] Fedora 34 Update: rpm-4.16.1.3-1.fc34 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
[SECURITY] Fedora 34 Update: rpm-4.16.1.3-1.fc34 - package-announce - Fedora Mailing-Lists MISC lists.fedoraproject.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 159518 Oracle Enterprise Linux Security Update for rpm (ELSA-2021-4489)
  • 180545 Debian Security Update for rpm (CVE-2021-20266)
  • 239812 Red Hat Update for rpm security (RHSA-2021:4489)
  • 281435 Fedora Security Update for rpm (FEDORA-2021-662680e477)
  • 281436 Fedora Security Update for rpm (FEDORA-2021-8d52a8a999)
  • 281437 Fedora Security Update for rpm (FEDORA-2021-2383d950fd)
  • 330113 IBM AIX Multiple Vulnerabilities due to RPM (rpm_advisory)
  • 377369 Alibaba Cloud Linux Security Update for rpm (ALINUX3-SA-2022:0007)
  • 501685 Alpine Linux Security Update for rpm
  • 670407 EulerOS Security Update for rpm (EulerOS-SA-2021-1992)
  • 670496 EulerOS Security Update for rpm (EulerOS-SA-2021-2254)
  • 670522 EulerOS Security Update for rpm (EulerOS-SA-2021-2280)
  • 710026 Gentoo Linux RPM Multiple vulnerabilities (GLSA 202107-43)
  • 750981 OpenSUSE Security Update for rpm (openSUSE-SU-2021:2682-1)
  • 751248 OpenSUSE Security Update for rpm (openSUSE-SU-2021:1366-1)
  • 752786 SUSE Enterprise Linux Security Update for rpm (SUSE-SU-2022:3939-1)
  • 900271 CBL-Mariner Linux Security Update for rpm 4.14.2
  • 903280 Common Base Linux Mariner (CBL-Mariner) Security Update for rpm (4178)
  • 940044 AlmaLinux Security Update for rpm (ALSA-2021:4489)
  • 960758 Rocky Linux Security Update for rpm (RLSA-2021:4489)
© CVE.report 2026 |

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

CVE.report and Source URL Uptime Status status.cve.report