Medium [CVE-2026-77421] Denial of Service in Nano Editor Regex Search
This medium-severity Red Hat Linux advisory covers CVE-2026-77421; related products: Red Hat AMQ Broker 7, Red Hat Fuse 7, Red Hat OpenShift AI (RHOAI).
Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.
VulniPulse record published Record updated
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.
Summary
Denial of Service in Nano Editor Regex Search. Red Hat rates this moderate (CVSS 5.7).
Weakness: CWE-1333.
Affected products named by the advisory: Red Hat AMQ Broker 7; Red Hat Fuse 7; Red Hat OpenShift AI (RHOAI); Red Hat OpenStack Platform 13 (Queens).
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 9 days ago·verify at source
- 3.30.15
- 4.3.1
Official advisory · high-confidence parse· fetched 9 days ago·verify at source
Mitigation checklist
- Do not expose the JLine built-in nano editor to untrusted users. If applications embedding JLine must provide an interactive editor, disable the regex search mode or restrict editor access to authenticated and trusted users only.
Official advisory · high-confidence parse· fetched 9 days 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.