Improper Verification of Cryptographic Signature Affecting rpm package, versions <4.16.1.2+dfsg1-1


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.65% (50th percentile)

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  • Snyk IDSNYK-ECHOLATEST-RPM-18022110
  • published20 Jul 2026
  • disclosed19 May 2021

Introduced: 19 May 2021

CVE-2021-3421  (opens in a new tab)
CWE-347  (opens in a new tab)

How to fix?

Upgrade Echo:latest rpm to version 4.16.1.2+dfsg1-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream rpm package and not the rpm package as distributed by Echo. See How to fix? for Echo:latest relevant fixed versions and status.

A flaw was found in the RPM package in the read functionality. This flaw allows an attacker who can convince a victim to install a seemingly verifiable package or compromise an RPM repository, to cause RPM database corruption. The highest threat from this vulnerability is to data integrity. This flaw affects RPM versions before 4.17.0-alpha.

CVSS Base Scores

version 3.1