Skip to content
VulniPulse
Sign in
Medium5.9Red Hat Linux

Medium [CVE-2026-31790] Information Disclosure from Uninitialized Memory via Invalid RSA Public Key

This medium-severity Red Hat Linux advisory covers CVE-2026-31790 affecting Red Hat Enterprise Linux 9, Red Hat Enterprise Linux 1, rhui5/haproxy-rhel9:1779798164.

CVE-2026-31790 Published Apr 7, 2026
CVE-2026-31790
Affected products & platforms
Red Hat LinuxUnclassified
Open vendor advisory

Android app · Google Play

Monitor future Red Hat Linux CVEs from your phone.

Choose a whole vendor or a precise platform, then receive matching security advisories by phone notification, email, or both. Coverage follows 32 official vendor sources and 160+ reviewed platform categories.

Matching phone alertsOptional email delivery
Get CVE alertsSee app features

Summary

Information Disclosure from Uninitialized Memory via Invalid RSA Public Key. Red Hat rates this moderate (CVSS 5.9).

Weakness: CWE-824. Affected package(s): openssl, openssl-fips-provider, rhui5/haproxy-rhel9:1779798164, openssl-main, rhui5/rhua-rhel9:1779798222, openssl-fips-provider-main.

Resolved in Red Hat advisory RHSA-2026:28211 — update the affected packages (`sudo dnf update`).

Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 1.

Affected versions
  • openssl-1:3.5.5-2.el9_8
  • openssl-fips-provider-0:3.0.7-11.el9_0
  • openssl-fips-provider-0:3.0.7-11.el10_0
  • openssl-fips-provider-0:3.0.7-11.el10_2
  • rhui5/haproxy-rhel9:1779798164
  • openssl-1:3.5.5-2.el10_2
  • openssl-main-3.5.6-0.1.hum1
  • rhui5/rhua-rhel9:1779798222
  • openssl-fips-provider-main-3.0.7-1.2.hum1
  • insights-proxy/insights-proxy-container-rhel9:1782890503
  • insights-proxy/insights-proxy-container-rhel9:1780420428
  • openssl

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Fixed versions
  • RHSA-2026:28211

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Mitigation checklist

Recommended fix / mitigation
  • Update the affected package(s) to the fixed version shipped in RHSA-2026:28211 (`sudo dnf update` / `yum update`).

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Discussion(0)

No comments yet. Share field notes, upgrade gotchas, or questions — verify against the vendor advisory before acting on community advice.

Sign in to join the discussion.