AUGUST 4, 2026
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Case File

CVE-2021-20266

MEDIUM · CVSS 4.9 EPSS 1.71%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-04-30 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 4.9. See the original NVD description below for full technical details.

CVE
CVE-2021-20266
Severity
MEDIUM
CVSS
4.9
EPSS
1.71%

Original NVD Description

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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)