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Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2021-20266

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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 21.1%
CVSS Severity
CVSS v3 Score 4.9
CVSS v2 Score 4.0
Products affected by CVE-2021-20266
  • Rpm » Rpm » Version: 1.2
    cpe:2.3:a:rpm:rpm:1.2
  • Rpm » Rpm » Version: 1.3
    cpe:2.3:a:rpm:rpm:1.3
  • Rpm » Rpm » Version: 1.3.1
    cpe:2.3:a:rpm:rpm:1.3.1
  • Rpm » Rpm » Version: 1.4
    cpe:2.3:a:rpm:rpm:1.4
  • Rpm » Rpm » Version: 1.4.1
    cpe:2.3:a:rpm:rpm:1.4.1
  • Rpm » Rpm » Version: 1.4.2
    cpe:2.3:a:rpm:rpm:1.4.2
  • Rpm » Rpm » Version: 1.4.2/a
    cpe:2.3:a:rpm:rpm:1.4.2/a
  • Rpm » Rpm » Version: 1.4.3
    cpe:2.3:a:rpm:rpm:1.4.3
  • Rpm » Rpm » Version: 1.4.4
    cpe:2.3:a:rpm:rpm:1.4.4
  • Rpm » Rpm » Version: 1.4.5
    cpe:2.3:a:rpm:rpm:1.4.5
  • Rpm » Rpm » Version: 1.4.6
    cpe:2.3:a:rpm:rpm:1.4.6
  • Rpm » Rpm » Version: 1.4.7
    cpe:2.3:a:rpm:rpm:1.4.7
  • Rpm » Rpm » Version: 2.0
    cpe:2.3:a:rpm:rpm:2.0
  • Rpm » Rpm » Version: 2.0.1
    cpe:2.3:a:rpm:rpm:2.0.1
  • Rpm » Rpm » Version: 2.0.10
    cpe:2.3:a:rpm:rpm:2.0.10
  • Rpm » Rpm » Version: 2.0.11
    cpe:2.3:a:rpm:rpm:2.0.11
  • Rpm » Rpm » Version: 2.0.2
    cpe:2.3:a:rpm:rpm:2.0.2
  • Rpm » Rpm » Version: 2.0.3
    cpe:2.3:a:rpm:rpm:2.0.3
  • Rpm » Rpm » Version: 2.0.4
    cpe:2.3:a:rpm:rpm:2.0.4
  • Rpm » Rpm » Version: 2.0.5
    cpe:2.3:a:rpm:rpm:2.0.5
  • Rpm » Rpm » Version: 2.0.6
    cpe:2.3:a:rpm:rpm:2.0.6
  • Rpm » Rpm » Version: 2.0.7
    cpe:2.3:a:rpm:rpm:2.0.7
  • Rpm » Rpm » Version: 2.0.8
    cpe:2.3:a:rpm:rpm:2.0.8
  • Rpm » Rpm » Version: 2.0.9
    cpe:2.3:a:rpm:rpm:2.0.9
  • Rpm » Rpm » Version: 2.1
    cpe:2.3:a:rpm:rpm:2.1
  • Rpm » Rpm » Version: 2.1.1
    cpe:2.3:a:rpm:rpm:2.1.1
  • Rpm » Rpm » Version: 2.1.2
    cpe:2.3:a:rpm:rpm:2.1.2
  • Rpm » Rpm » Version: 2.2
    cpe:2.3:a:rpm:rpm:2.2
  • Rpm » Rpm » Version: 2.2.1
    cpe:2.3:a:rpm:rpm:2.2.1
  • Rpm » Rpm » Version: 2.2.10
    cpe:2.3:a:rpm:rpm:2.2.10
  • Rpm » Rpm » Version: 2.2.11
    cpe:2.3:a:rpm:rpm:2.2.11
  • Rpm » Rpm » Version: 2.2.2
    cpe:2.3:a:rpm:rpm:2.2.2
  • Rpm » Rpm » Version: 2.2.3
    cpe:2.3:a:rpm:rpm:2.2.3
  • Rpm » Rpm » Version: 2.2.3.10
    cpe:2.3:a:rpm:rpm:2.2.3.10
  • Rpm » Rpm » Version: 2.2.3.11
    cpe:2.3:a:rpm:rpm:2.2.3.11
  • Rpm » Rpm » Version: 2.2.4
    cpe:2.3:a:rpm:rpm:2.2.4
  • Rpm » Rpm » Version: 2.2.5
    cpe:2.3:a:rpm:rpm:2.2.5
  • Rpm » Rpm » Version: 2.2.6
    cpe:2.3:a:rpm:rpm:2.2.6
  • Rpm » Rpm » Version: 2.2.7
    cpe:2.3:a:rpm:rpm:2.2.7
  • Rpm » Rpm » Version: 2.2.8
    cpe:2.3:a:rpm:rpm:2.2.8
  • Rpm » Rpm » Version: 2.2.9
    cpe:2.3:a:rpm:rpm:2.2.9
  • Rpm » Rpm » Version: 2.3
    cpe:2.3:a:rpm:rpm:2.3
  • Rpm » Rpm » Version: 2.3.1
    cpe:2.3:a:rpm:rpm:2.3.1
  • Rpm » Rpm » Version: 2.3.2
    cpe:2.3:a:rpm:rpm:2.3.2
  • Rpm » Rpm » Version: 2.3.3
    cpe:2.3:a:rpm:rpm:2.3.3
  • Rpm » Rpm » Version: 2.3.4
    cpe:2.3:a:rpm:rpm:2.3.4
  • Rpm » Rpm » Version: 2.3.5
    cpe:2.3:a:rpm:rpm:2.3.5
  • Rpm » Rpm » Version: 2.3.6
    cpe:2.3:a:rpm:rpm:2.3.6
  • Rpm » Rpm » Version: 2.3.7
    cpe:2.3:a:rpm:rpm:2.3.7
  • Rpm » Rpm » Version: 2.3.8
    cpe:2.3:a:rpm:rpm:2.3.8
  • Rpm » Rpm » Version: 2.3.9
    cpe:2.3:a:rpm:rpm:2.3.9
  • Rpm » Rpm » Version: 2.4.1
    cpe:2.3:a:rpm:rpm:2.4.1
  • Rpm » Rpm » Version: 2.4.11
    cpe:2.3:a:rpm:rpm:2.4.11
  • Rpm » Rpm » Version: 2.4.12
    cpe:2.3:a:rpm:rpm:2.4.12
  • Rpm » Rpm » Version: 2.4.2
    cpe:2.3:a:rpm:rpm:2.4.2
  • Rpm » Rpm » Version: 2.4.3
    cpe:2.3:a:rpm:rpm:2.4.3
  • Rpm » Rpm » Version: 2.4.4
    cpe:2.3:a:rpm:rpm:2.4.4
  • Rpm » Rpm » Version: 2.4.5
    cpe:2.3:a:rpm:rpm:2.4.5
  • Rpm » Rpm » Version: 2.4.6
    cpe:2.3:a:rpm:rpm:2.4.6
  • Rpm » Rpm » Version: 2.4.8
    cpe:2.3:a:rpm:rpm:2.4.8
  • Rpm » Rpm » Version: 2.4.9
    cpe:2.3:a:rpm:rpm:2.4.9
  • Rpm » Rpm » Version: 2.5
    cpe:2.3:a:rpm:rpm:2.5
  • Rpm » Rpm » Version: 2.5.1
    cpe:2.3:a:rpm:rpm:2.5.1
  • Rpm » Rpm » Version: 2.5.2
    cpe:2.3:a:rpm:rpm:2.5.2
  • Rpm » Rpm » Version: 2.5.3
    cpe:2.3:a:rpm:rpm:2.5.3
  • Rpm » Rpm » Version: 2.5.4
    cpe:2.3:a:rpm:rpm:2.5.4
  • Rpm » Rpm » Version: 2.5.5
    cpe:2.3:a:rpm:rpm:2.5.5
  • Rpm » Rpm » Version: 2.5.6
    cpe:2.3:a:rpm:rpm:2.5.6
  • Rpm » Rpm » Version: 2.6.7
    cpe:2.3:a:rpm:rpm:2.6.7
  • Rpm » Rpm » Version: 3.0
    cpe:2.3:a:rpm:rpm:3.0
  • Rpm » Rpm » Version: 3.0.1
    cpe:2.3:a:rpm:rpm:3.0.1
  • Rpm » Rpm » Version: 3.0.2
    cpe:2.3:a:rpm:rpm:3.0.2
  • Rpm » Rpm » Version: 3.0.3
    cpe:2.3:a:rpm:rpm:3.0.3
  • Rpm » Rpm » Version: 3.0.4
    cpe:2.3:a:rpm:rpm:3.0.4
  • Rpm » Rpm » Version: 3.0.5
    cpe:2.3:a:rpm:rpm:3.0.5
  • Rpm » Rpm » Version: 3.0.6
    cpe:2.3:a:rpm:rpm:3.0.6
  • Rpm » Rpm » Version: 4.0.
    cpe:2.3:a:rpm:rpm:4.0.
  • Rpm » Rpm » Version: 4.0.1
    cpe:2.3:a:rpm:rpm:4.0.1
  • Rpm » Rpm » Version: 4.0.2
    cpe:2.3:a:rpm:rpm:4.0.2
  • Rpm » Rpm » Version: 4.0.3
    cpe:2.3:a:rpm:rpm:4.0.3
  • Rpm » Rpm » Version: 4.0.4
    cpe:2.3:a:rpm:rpm:4.0.4
  • Rpm » Rpm » Version: 4.1
    cpe:2.3:a:rpm:rpm:4.1
  • Rpm » Rpm » Version: 4.10.0
    cpe:2.3:a:rpm:rpm:4.10.0
  • Rpm » Rpm » Version: 4.10.1
    cpe:2.3:a:rpm:rpm:4.10.1
  • Rpm » Rpm » Version: 4.10.2
    cpe:2.3:a:rpm:rpm:4.10.2
  • Rpm » Rpm » Version: 4.10.3.1
    cpe:2.3:a:rpm:rpm:4.10.3.1
  • Rpm » Rpm » Version: 4.11.0
    cpe:2.3:a:rpm:rpm:4.11.0
  • Rpm » Rpm » Version: 4.11.0.1
    cpe:2.3:a:rpm:rpm:4.11.0.1
  • Rpm » Rpm » Version: 4.11.1
    cpe:2.3:a:rpm:rpm:4.11.1
  • Rpm » Rpm » Version: 4.11.2
    cpe:2.3:a:rpm:rpm:4.11.2
  • Rpm » Rpm » Version: 4.11.3
    cpe:2.3:a:rpm:rpm:4.11.3
  • Rpm » Rpm » Version: 4.12.0
    cpe:2.3:a:rpm:rpm:4.12.0
  • Rpm » Rpm » Version: 4.12.0.1
    cpe:2.3:a:rpm:rpm:4.12.0.1
  • Rpm » Rpm » Version: 4.12.0.2
    cpe:2.3:a:rpm:rpm:4.12.0.2
  • Rpm » Rpm » Version: 4.13.0
    cpe:2.3:a:rpm:rpm:4.13.0
  • Rpm » Rpm » Version: 4.13.0.1
    cpe:2.3:a:rpm:rpm:4.13.0.1
  • Rpm » Rpm » Version: 4.13.0.2
    cpe:2.3:a:rpm:rpm:4.13.0.2
  • Rpm » Rpm » Version: 4.13.0.3
    cpe:2.3:a:rpm:rpm:4.13.0.3
  • Rpm » Rpm » Version: 4.13.1
    cpe:2.3:a:rpm:rpm:4.13.1
  • Rpm » Rpm » Version: 4.14.0
    cpe:2.3:a:rpm:rpm:4.14.0
  • Rpm » Rpm » Version: 4.14.1
    cpe:2.3:a:rpm:rpm:4.14.1
  • Rpm » Rpm » Version: 4.14.2
    cpe:2.3:a:rpm:rpm:4.14.2
  • Rpm » Rpm » Version: 4.14.2.1
    cpe:2.3:a:rpm:rpm:4.14.2.1
  • Rpm » Rpm » Version: 4.14.3
    cpe:2.3:a:rpm:rpm:4.14.3
  • Rpm » Rpm » Version: 4.15.0
    cpe:2.3:a:rpm:rpm:4.15.0
  • Rpm » Rpm » Version: 4.15.1
    cpe:2.3:a:rpm:rpm:4.15.1
  • Rpm » Rpm » Version: 4.15.1.3
    cpe:2.3:a:rpm:rpm:4.15.1.3
  • Rpm » Rpm » Version: 4.16.0
    cpe:2.3:a:rpm:rpm:4.16.0
  • Rpm » Rpm » Version: 4.16.1
    cpe:2.3:a:rpm:rpm:4.16.1
  • Rpm » Rpm » Version: 4.16.1.1
    cpe:2.3:a:rpm:rpm:4.16.1.1
  • Rpm » Rpm » Version: 4.16.1.2
    cpe:2.3:a:rpm:rpm:4.16.1.2
  • Rpm » Rpm » Version: 4.3.3
    cpe:2.3:a:rpm:rpm:4.3.3
  • Rpm » Rpm » Version: 4.4
    cpe:2.3:a:rpm:rpm:4.4
  • Rpm » Rpm » Version: 4.4.1
    cpe:2.3:a:rpm:rpm:4.4.1
  • Rpm » Rpm » Version: 4.4.2
    cpe:2.3:a:rpm:rpm:4.4.2
  • Rpm » Rpm » Version: 4.4.2.1
    cpe:2.3:a:rpm:rpm:4.4.2.1
  • Rpm » Rpm » Version: 4.4.2.2
    cpe:2.3:a:rpm:rpm:4.4.2.2
  • Rpm » Rpm » Version: 4.4.2.3
    cpe:2.3:a:rpm:rpm:4.4.2.3
  • Rpm » Rpm » Version: 4.5.90
    cpe:2.3:a:rpm:rpm:4.5.90
  • Rpm » Rpm » Version: 4.6.0
    cpe:2.3:a:rpm:rpm:4.6.0
  • Rpm » Rpm » Version: 4.6.1
    cpe:2.3:a:rpm:rpm:4.6.1
  • Rpm » Rpm » Version: 4.7.0
    cpe:2.3:a:rpm:rpm:4.7.0
  • Rpm » Rpm » Version: 4.7.1
    cpe:2.3:a:rpm:rpm:4.7.1
  • Rpm » Rpm » Version: 4.7.2
    cpe:2.3:a:rpm:rpm:4.7.2
  • Rpm » Rpm » Version: 4.8.0
    cpe:2.3:a:rpm:rpm:4.8.0
  • Rpm » Rpm » Version: 4.8.1
    cpe:2.3:a:rpm:rpm:4.8.1
  • Rpm » Rpm » Version: 4.9.0
    cpe:2.3:a:rpm:rpm:4.9.0
  • Rpm » Rpm » Version: 4.9.1
    cpe:2.3:a:rpm:rpm:4.9.1
  • Rpm » Rpm » Version: 4.9.1.1
    cpe:2.3:a:rpm:rpm:4.9.1.1
  • Rpm » Rpm » Version: 4.9.1.2
    cpe:2.3:a:rpm:rpm:4.9.1.2
  • Rpm » Rpm » Version: 4.9.1.3
    cpe:2.3:a:rpm:rpm:4.9.1.3
  • Fedoraproject » Fedora » Version: 33
    cpe:2.3:o:fedoraproject:fedora:33
  • Fedoraproject » Fedora » Version: 34
    cpe:2.3:o:fedoraproject:fedora:34


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