Improper Verification of Cryptographic Signature Affecting podman-docker package, versions <4.9.5-150500.3.73.2


Severity

Recommended
0.0
high
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.4% (32nd percentile)

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  • Snyk IDSNYK-SLES156-PODMANDOCKER-17747063
  • published1 Jul 2026
  • disclosed30 Jun 2026

Introduced: 30 Jun 2026

NewCVE-2026-39829  (opens in a new tab)
CWE-347  (opens in a new tab)

How to fix?

Upgrade SLES:15.6 podman-docker to version 4.9.5-150500.3.73.2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream podman-docker package and not the podman-docker package as distributed by SLES. See How to fix? for SLES:15.6 relevant fixed versions and status.

The RSA and DSA public key parsers did not enforce size limits on key parameters. A crafted public key with an excessively large modulus or DSA parameter could cause several minutes of CPU consumption during signature verification. This could be triggered by unauthenticated clients during public key authentication. RSA moduli are now limited to 8192 bits, and DSA parameters are validated per FIPS 186-2.

CVSS Base Scores

version 3.1