CVE-2021-20266
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2021-20266
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-20266.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2021-20266
- Downstream
- Related
- Published
- 2021-04-30T12:15:07.500Z
- Modified
- 2025-11-14T11:04:52.965832Z
- Severity
-
- 4.9 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
- Summary
- [none]
- Details
-
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.
- References
-
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TMGXO3W6DHPO62GJ4VVF5DEUX5DRUR5K/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VHRPNBCRPDJHHQE3MBPSZK4H7X2IM7AC/
- https://bugzilla.redhat.com/show_bug.cgi?id=1927741
- https://security.gentoo.org/glsa/202107-43
Affected packages
Git / github.com/rpm-software-management/rpm
Affected ranges
- Type
- GIT
- Repo
- https://github.com/rpm-software-management/rpm
- Events
-
Introduced0 Unknown introduced commit / All previous commits are affectedFixed
Affected versions
rpm-4.*
rpm-4.11.0-alpha
rpm-4.12.0-alpha
rpm-4.13.0-alpha
rpm-4.15.0-alpha
rpm-4.16.0-alpha
rpm-4.16.0-beta2
rpm-4.16.0-beta3
rpm-4.16.0-release
rpm-4.16.1-release
rpm-4.16.1.1-release
rpm-4.16.1.2-release
rpm-4.4-release
rpm-4.4.1-release
rpm-4.4.2-release
rpm-4.4.2.1-rc1
rpm-4.4.2.1-rc2
rpm-4.8.0-beta1