VDB
RHSA-2026%3A7667
RHSA-2026%3A7667
PUBLISHED
CVSS 7.5 HIGH
An update for nghttp2 is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Risk Scores
CVSS 3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Red Hat Enterprise Linux CRB (v. 8) | ||
| Red Hat Enterprise Linux BaseOS (v. 8) | ||
| libnghttp2 | ||
| nghttp2 |
Exploit Intelligence
- https://access.redhat.com/errata/RHSA-2026:7667 (circl)
- https://access.redhat.com/security/updates/classification/#important (circl)
- https://bugzilla.redhat.com/show_bug.cgi?id=2448754 (circl)
- https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_7667.json (circl)
- UBUNTU-CVE-2026-27135.json (github-poc)
- UBUNTU-CVE-2026-27135.json (github-poc)
- UBUNTU-CVE-2026-27135.json (github-poc)
- sbom_nghttp2.yml (github-poc)
- sbom_nghttp2.yml (github-poc)
- sbom_nghttp2.yml (github-poc)
…and 21 more exploits
Timeline
- Apr 13, 2026 CVE Published
- Apr 24, 2026 Distribution Patch
- Apr 24, 2026 Distribution Patch
- Apr 24, 2026 Security Advisory
- May 1, 2026 Security Advisory
- Jun 25, 2026 CVE Updated