CVE-2026-40395

A flaw was found in Varnish Enterprise. A remote attacker can exploit this vulnerability by sending a request with an excessive number of header fields. This can cause a "workspace overflow" within the vmodheaderplus module, leading to a daemon panic and crashing the Varnish Enterprise server. Th...

Linux Distros Unpatched Vulnerability : CVE-2026-40395

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Varnish Enterprise before 6.0.16r12 allows a workspace overflow denial of service daemon panic for shared VCL. The headerplus.writereq0 function from...

EUVD-2026-21740

Varnish Enterprise before 6.0.16r12 allows a "workspace overflow" denial of service daemon panic for shared VCL. The headerplus.writereq0 function from vmodheaderplus updates the underlying req0, which is normally the original read-only request from which req is derived readable and writable from...

CVE-2026-40395

Varnish Enterprise before 6.0.16r12 allows a "workspace overflow" denial of service daemon panic for shared VCL. The headerplus.writereq0 function from vmodheaderplus updates the underlying req0, which is normally the original read-only request from which req is derived readable and writable from...

UBUNTU-CVE-2026-40395

Varnish Enterprise before 6.0.16r12 allows a "workspace overflow" denial of service daemon panic for shared VCL. The headerplus.writereq0 function from vmodheaderplus updates the underlying req0, which is normally the original read-only request from which req is derived readable and writable from...

CVE-2026-40395

Varnish Enterprise before 6.0.16r12 allows a "workspace overflow" denial of service daemon panic for shared VCL. The headerplus.writereq0 function from vmodheaderplus updates the underlying req0, which is normally the original read-only request from which req is derived readable and writable from...

CVE-2026-40395

CVE-2026-40395 affects Varnish Enterprise prior to 6.0.16r12. A workspace overflow can occur in the vmod_headerplus module when header fields are excessive in a modified req0, causing a daemon panic and Denial of Service. Details in multiple sources describe the root cause as the headerplus.write...

CVE-2026-40395

Varnish Enterprise before 6.0.16r12 allows a "workspace overflow" denial of service daemon panic for shared VCL. The headerplus.writereq0 function from vmodheaderplus updates the underlying req0, which is normally the original read-only request from which req is derived readable and writable from...

CVE-2026-40395

Varnish Enterprise before 6.0.16r12 allows a "workspace overflow" denial of service daemon panic for shared VCL. The headerplus.writereq0 function from vmodheaderplus updates the underlying req0, which is normally the original read-only request from which req is derived readable and writable from...

CVE-2026-40395

Varnish Enterprise before 6.0.16r12 allows a "workspace overflow" denial of service daemon panic for shared VCL. The headerplus.writereq0 function from vmodheaderplus updates the underlying req0, which is normally the original read-only request from which req is derived readable and writable from...

CVE-2026-40395

Varnish Enterprise before 6.0.16r12 allows a "workspace overflow" denial of service daemon panic for shared VCL. The headerplus.writereq0 function from vmodheaderplus updates the underlying req0, which is normally the original read-only request from which req is derived readable and writable from...

PT-2026-32184

Name of the Vulnerable Software and Affected Versions Varnish Enterprise versions prior to 6.0.16r12 Description Varnish Enterprise versions before 6.0.16r12 are susceptible to a denial of service daemon panic due to a workspace overflow when handling shared VCL. The headerplus.write req0 functio...

Varnish Enterprise 安全漏洞

Varnish Enterprise is a high-performance caching software developed by the Varnish company. It is designed for handling high-traffic scenarios and optimizing business operations. Versions of Varnish Enterprise prior to 6.0.16r12 contained security vulnerabilities. These vulnerabilities stemmed fr...