CVE-2021-20266

2021-04-3000:00:00

ubuntu.com

4.9 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

4 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:S/C:N/I:N/A:P

0.002 Low

EPSS

Percentile

54.0%

JSON

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.

Bugs

Notes

Author	Note
seth-arnold	Only debugedit and librpmio9 binary packages are in main, and triaged with view to how they are used in the build process as described in https://bugs.launchpad.net/ubuntu/+source/rpm/+bug/1913871

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchrpm< 4.14.1+dfsg1-2ubuntu0.1~esm1UNKNOWN
ubuntu20.04noarchrpm< 4.14.2.1+dfsg1-1ubuntu0.1~esm1UNKNOWN