High severity7.0NVD Advisory· Published Mar 26, 2021· Updated Jun 17, 2026
CVE-2021-20271
CVE-2021-20271
Description
A flaw was found in RPM's signature check functionality when reading a package file. This flaw allows an attacker who can convince a victim to install a seemingly verifiable package, whose signature header was modified, to cause RPM database corruption and execute code. The highest threat from this vulnerability is to data integrity, confidentiality, and system availability.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
44cpe:2.3:a:rpm:rpm:*:*:*:*:*:*:*:*+ 8 more
- cpe:2.3:a:rpm:rpm:*:*:*:*:*:*:*:*range: >=4.15.0,<4.15.1.3
- cpe:2.3:a:rpm:rpm:4.15.0:alpha:*:*:*:*:*:*
- cpe:2.3:a:rpm:rpm:4.15.0:beta1:*:*:*:*:*:*
- cpe:2.3:a:rpm:rpm:4.15.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:rpm:rpm:4.16.0:alpha:*:*:*:*:*:*
- cpe:2.3:a:rpm:rpm:4.16.0:beta2:*:*:*:*:*:*
- cpe:2.3:a:rpm:rpm:4.16.0:beta3:*:*:*:*:*:*
- cpe:2.3:a:rpm:rpm:4.16.0:rc1:*:*:*:*:*:*
- (no CPE)
- cpe:2.3:a:starwindsoftware:starwind_virtual_san:v8:build14398:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
- RPM/RPMdescription
- osv-coords29 versionspkg:rpm/opensuse/libdnf&distro=openSUSE%20Leap%2015.3pkg:rpm/opensuse/python-rpm&distro=openSUSE%20Leap%2015.2pkg:rpm/opensuse/python-rpm&distro=openSUSE%20Leap%2015.3pkg:rpm/opensuse/rpm&distro=openSUSE%20Leap%2015.2pkg:rpm/opensuse/rpm&distro=openSUSE%20Leap%2015.3pkg:rpm/opensuse/rpm-ndb&distro=openSUSE%20Leap%2015.3pkg:rpm/suse/python-rpm&distro=SUSE%20Linux%20Enterprise%20Micro%205.0pkg:rpm/suse/python-rpm&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP2pkg:rpm/suse/python-rpm&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP3pkg:rpm/suse/python-rpm&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Python%202%2015%20SP2pkg:rpm/suse/python-rpm&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Python%202%2015%20SP3pkg:rpm/suse/python3-rpm&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/python3-rpm&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/rpm&distro=SUSE%20Linux%20Enterprise%20Micro%205.0pkg:rpm/suse/rpm&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP2pkg:rpm/suse/rpm&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP3pkg:rpm/suse/rpm&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP2pkg:rpm/suse/rpm&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP3pkg:rpm/suse/rpm&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/rpm&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/rpm&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5pkg:rpm/suse/rpm&distro=SUSE%20Manager%20Proxy%20Module%204.1pkg:rpm/suse/rpm&distro=SUSE%20Manager%20Proxy%20Module%204.2pkg:rpm/suse/rpm&distro=SUSE%20Manager%20Server%20Module%204.1pkg:rpm/suse/rpm&distro=SUSE%20Manager%20Server%20Module%204.2pkg:rpm/suse/rpm-ndb&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP2pkg:rpm/suse/rpm-ndb&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP3pkg:rpm/suse/rpm-python&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/rpm-python&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5
< 0.62.0-5.3.1+ 28 more
- (no CPE)range: < 0.62.0-5.3.1
- (no CPE)range: < 4.14.1-lp152.18.3.1
- (no CPE)range: < 4.14.3-37.2
- (no CPE)range: < 4.14.1-lp152.18.3.1
- (no CPE)range: < 4.14.3-37.2
- (no CPE)range: < 4.14.3-37.2
- (no CPE)range: < 4.14.1-22.4.1
- (no CPE)range: < 4.14.1-22.4.1
- (no CPE)range: < 4.14.3-37.2
- (no CPE)range: < 4.14.1-22.4.1
- (no CPE)range: < 4.14.3-37.2
- (no CPE)range: < 4.11.2-16.26.1
- (no CPE)range: < 4.11.2-16.26.1
- (no CPE)range: < 4.14.1-22.4.2
- (no CPE)range: < 4.14.1-22.4.2
- (no CPE)range: < 4.14.3-37.2
- (no CPE)range: < 4.14.1-22.4.2
- (no CPE)range: < 4.14.3-37.2
- (no CPE)range: < 4.11.2-16.26.1
- (no CPE)range: < 4.11.2-16.26.1
- (no CPE)range: < 4.11.2-16.26.1
- (no CPE)range: < 4.14.1-22.4.2
- (no CPE)range: < 4.14.3-37.2
- (no CPE)range: < 4.14.1-22.4.2
- (no CPE)range: < 4.14.3-37.2
- (no CPE)range: < 4.14.1-22.4.2
- (no CPE)range: < 4.14.3-37.2
- (no CPE)range: < 4.11.2-16.26.1
- (no CPE)range: < 4.11.2-16.26.1
Patches
Vulnerability mechanics
References
7- bugzilla.redhat.com/show_bug.cginvdIssue TrackingPatchThird Party Advisory
- github.com/rpm-software-management/rpm/commit/d6a86b5e69e46cc283b1e06c92343319beb42e21nvdPatchThird Party Advisory
- security.gentoo.org/glsa/202107-43nvdThird Party Advisory
- www.starwindsoftware.com/security/sw-20220805-0002/nvdThird Party Advisory
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TMGXO3W6DHPO62GJ4VVF5DEUX5DRUR5K/nvd
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VHRPNBCRPDJHHQE3MBPSZK4H7X2IM7AC/nvd
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YILPBTPSBRYL4POBI3F4YUSVPSOQNJBY/nvd
News mentions
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