Low [CVE-2026-3184] Access control bypass due to improper hostname canonicalization
This low-severity Red Hat Linux advisory covers CVE-2026-3184 affecting Red Hat Hardened Images.
Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.
VulniPulse record published
Summary
Access control bypass due to improper hostname canonicalization. Red Hat rates this low (CVSS 3.7).
Weakness: CWE-289. Affected package(s): util-linux-main.
Resolved in Red Hat advisory RHSA-2026:7180 — update the affected packages (`sudo dnf update`).
Affected product named by the advisory: Red Hat Hardened Images.
Is CVE-2026-3184 exploited?
No exploitation is reported in the sources VulniPulse tracks: CVE-2026-3184 is not in the CISA KEV catalog (checked ) and this advisory does not report exploitation. That is not proof the vulnerability cannot be exploited.
How do I fix CVE-2026-3184?
Upgrade to a fixed release named by Red Hat:
- RHSA-2026:7180
Confirm against the vendor advisory before you patch.
- util-linux-main-2.42-7.1.hum1
Official advisory · high-confidence parse· fetched 4 months ago·verify at source
- RHSA-2026:7180
Official advisory · high-confidence parse· fetched 4 months ago·verify at source
Mitigation checklist
- Update the affected package(s) to the fixed version shipped in RHSA-2026:7180 (`sudo dnf update` / `yum update`).
Official advisory · high-confidence parse· fetched 4 months ago·verify at source
Get an email when Red Hat publishes the next one.
See Red Hat's last 90 days of advisories first. Then choose one product with live alerts free for life, or a free month of real-time alerts on everything with the severity, the fixed version and the vendor's link (card needed, then US$15/month; we email you before the first charge).
More Red Hat Linux advisories
- CVE-2026-123158Nov 5, 2026Password authentication bypass via password hash misinterpretation
- CVE-2026-119977Oct 31, 2026Arbitrary code execution via predictable upgrade staging paths
- CVE-2026-111497Oct 22, 2026Out-of-Bounds Write in Google Brotli Decoder
- CVE-2026-109619Oct 21, 2026fatal error handling retains stale request state leading to use-after-free
- CVE-2026-109618Oct 21, 2026OOM bailout during request parsing leads to memory corruption and RCE
- CVE-2026-97229Oct 13, 2026integer overflow issue in CI/CD regular expression compiler
iPhone and Android apps · New on the App Store
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 34 official vendor sources and 160+ reviewed platform categories.
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.