CVE-2026-40701
EUVD-2026-2998113.05.2026, 16:16
NGINX Plus and NGINX Open Source have a vulnerability in the ngx_http_ssl_module module when the ssl_verify_client directive is set to "on" or "optional," and the ssl_ocsp directive is set to "on" or the leaf parameters are configured with a resolver. With this configuration, an unauthenticated attacker can send requests along with conditions beyond its control that may cause a heap-use-after-free error in the NGINX worker process. This vulnerability may result in limited modification of data or the NGINX worker process restarting. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.Enginsight
Affected Products (NVD)
| Vendor | Product | Version |
|---|---|---|
| f5 | dos | 4.3.0 ≤ 𝑥 ≤ 4.7.0 |
| f5 | dos | 4.8.0 |
| f5 | nginx_gateway_fabric | 1.3.0 ≤ 𝑥 ≤ 1.6.2 |
| f5 | nginx_gateway_fabric | 2.0.0 ≤ 𝑥 ≤ 2.6.0 |
| f5 | nginx_ingress_controller | 3.5.0 ≤ 𝑥 ≤ 3.7.2 |
| f5 | nginx_ingress_controller | 4.0.0 ≤ 𝑥 ≤ 4.0.1 |
| f5 | nginx_ingress_controller | 5.0.0 ≤ 𝑥 ≤ 5.4.2 |
| f5 | nginx_instance_manager | 2.16.0 ≤ 𝑥 ≤ 2.22.0 |
| f5 | nginx_open_source | 1.19.0 ≤ 𝑥 ≤ 1.30.0 |
| f5 | nginx_plus | r32 ≤ 𝑥 ≤ r36 |
| f5 | waf | 4.9.0 ≤ 𝑥 ≤ 4.16.0 |
| f5 | waf | 5.1.0 ≤ 𝑥 ≤ 5.8.0 |
| f5 | waf | 5.9.0 ≤ 𝑥 ≤ 5.12.1 |
𝑥
= Vulnerable software versions
Debian Releases
openSUSE / SLES Releases
openSUSE Product | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| nginx |
| ||||||||||||||
| nginx-source |
|
Amazon Linux Releases
Amazon Package | |||
|---|---|---|---|
| nginx |
| ||
| nginx-all-modules |
| ||
| nginx-core |
| ||
| nginx-core-debuginfo |
| ||
| nginx-debuginfo |
| ||
| nginx-debugsource |
| ||
| nginx-filesystem |
| ||
| nginx-mod-devel |
| ||
| nginx-mod-http-image-filter |
| ||
| nginx-mod-http-image-filter-debuginfo |
| ||
| nginx-mod-http-perl |
| ||
| nginx-mod-http-perl-debuginfo |
| ||
| nginx-mod-http-xslt-filter |
| ||
| nginx-mod-http-xslt-filter-debuginfo |
| ||
| nginx-mod-mail |
| ||
| nginx-mod-mail-debuginfo |
| ||
| nginx-mod-stream |
| ||
| nginx-mod-stream-debuginfo |
|
Common Weakness Enumeration
Vulnerability Media Exposure