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UBUNTU-CVE-2026-27141
Due to missing nil check, sending 0x0a-0x0f HTTP/2 frames will cause a running server to panic
AI summary snake-internal / snake-template-v1
A weakness called UBUNTU-CVE-2026-27141 was discovered in Due to missing nil.
Severity is Info. Low severity or not yet rated.
What you should do: update the affected software to the latest version. If unsure, ask your IT team or search the vendor's site for "Due to missing nil UBUNTU-CVE-2026-27141".
UBUNTU-CVE-2026-27141 (Due to missing nil). Severity: Info.
Response plan:
1. Check the vendor advisory for affected versions and the patched release.
2. If a vulnerable version is running in production, schedule maintenance (urgency from KEV/CVSS).
3. If no patch yet, mitigate via WAF rule, disabling the affected feature, etc.
4. Monitor logs / SIEM for known IOC and PoC signatures of this CVE.
PoCs and fix commits: see the 'References' section, MITRE, and NVD.
❓ What is the problem
A weakness (UBUNTU-CVE-2026-27141) in Due to missing nil. A serious software flaw has been identified.
📍 Affected scope
Target versions of Due to missing nil (see vendor advisory). If running in production, identify exposure immediately.
🔥 Severity
Severity: Info. Low severity or not yet rated.
🔧 How to fix
Update to the patched release as listed in the vendor advisory.
🛡️ Workaround
If a patch is not yet available, consider disabling the affected feature, applying WAF rules, blocking via network ACLs, or isolating the vulnerable version.
🔍 Detection
Check version information, scan dependencies via SBOM, and monitor SIEM for IOC and PoC signatures related to this CVE.
Affected packages
Ubuntu:26.04:LTS
adsys
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.16.4ubuntu1.1"}]}]
References
- advisory https://ubuntu.com/security/notices/USN-8430-1
- report https://ubuntu.com/security/CVE-2026-27141
- report https://www.cve.org/CVERecord?id=CVE-2026-27141
- report https://github.com/golang/go/issues/77652
- report https://go.dev/cl/746180
- report https://go.dev/issue/77652
- report https://nvd.nist.gov/vuln/detail/CVE-2026-27141
- report https://pkg.go.dev/vuln/GO-2026-4559