7.5
CVE-2026-47220
- EPSS 0.67%
- Veröffentlicht 26.06.2026 18:02:17
- Zuletzt bearbeitet 30.06.2026 03:20:24
- Quelle security-advisories@github.com
- CVE-Watchlists
- Unerledigt
Envoy: Segmentation fault when using %REQUESTED_SERVER_NAME% in log format
Envoy is an open source edge and service proxy designed for cloud-native applications. From 1.37.0 until 1.37.5 and 1.38.3, when the %REQUESTED_SERVER_NAME(X:Y)% is used in log format and host related options is specified, like HOST_FIRST, SNI_FIRST, it's possible to crash Envoy when the specified host header is missing in the request headers. This vulnerability is fixed in 1.37.5 and 1.38.3.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Envoyproxy ≫ Envoy Version >= 1.37.0 < 1.37.5
Envoyproxy ≫ Envoy Version >= 1.38.0 < 1.38.3
VulnDex Vulnerability Enrichment
Diese Information steht angemeldeten Benutzern zur Verfügung. 
Login
Login| Typ | Quelle | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 0.67% | 0.471 |
| Quelle | Base Score | Exploit Score | Impact Score | Vector String |
|---|---|---|---|---|
| security-advisories@github.com | 7.5 | 3.9 | 3.6 |
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
|
| 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | 7.5 | 3.9 | 3.6 |
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
|
CWE-476 NULL Pointer Dereference
The product dereferences a pointer that it expects to be valid but is NULL.
https://github.com/envoyproxy/envoy/security/advisories/GHSA-j9wh-4qfm-wf2v
https://access.redhat.com/security/cve/CVE-2026-47220
https://bugzilla.redhat.com/show_bug.cgi?id=2493652
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-47220.json