Skip to content
VulniPulse
Advisory severityCritical9.8Vendor: HighRed Hat Linux

Critical [CVE-2026-41565] Stack buffer overflow allows arbitrary code execution via a crafted authentication tag.

This critical-severity Red Hat Linux advisory covers CVE-2026-41565; related products: Red Hat Enterprise Linux.

Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.

CVE-2026-41565 Source published

VulniPulse record published

CVE-2026-41565
Related products & platforms
Red Hat LinuxUnclassified
Open source advisory

Summary

Stack buffer overflow allows arbitrary code execution via a crafted authentication tag.. Red Hat rates this important (CVSS 9.8).

Weakness: CWE-120. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released.

Affected product named by the advisory: Red Hat Enterprise Linux.

Is CVE-2026-41565 exploited?

No exploitation is reported in the sources VulniPulse tracks: CVE-2026-41565 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-2026-41565?

The advisory VulniPulse tracks names no fixed release. Follow Red Hat's guidance for workarounds and updates.

Confirm against the vendor advisory before you patch.

Affected versions

No affected-version range was extracted from the source record. The vendor advisory is authoritative. Check it before change work.

Official advisory · high-confidence parse· fetched 4 months ago·verify at source

Fixed versions

No fixed release is recorded yet. That does not prove no patch exists. Confirm against the vendor advisory.

Official advisory · high-confidence parse· fetched 4 months ago·verify at source

Mitigation checklist

Recommended fix / mitigation
  • Red Hat rates this important; a fix erratum may not be out yet — apply the RHSA as soon as it publishes.

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).

Alert me about Red Hat
All Red Hat Linux advisories

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.