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CVE-2026-42533
critical
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nginx nginx-CVE-2026-42533.html: Buffer overflow when using map and regex (Last Updated: 7/22/2026)
| ID | Name | Product | Family | Type | Severity |
|---|---|---|---|---|---|
| 465717 | Echo: nginx: security update to 1.26.3-3+deb13u8 | Tenable Cloud Security | Echo Local Security Checks | Local | critical |
| 465717 | Echo: nginx: security update to 1.26.3-3+deb13u8 | Tenable Self-Hosted Container Security | Echo Local Security Checks | Local | critical |
| 362301 | CentOS Linux 7 [TuxCare] Security Update: nginx / nginx-all-modules / nginx-filesystem / nginx-mod-devel / etc (CENTOS7:CLSA-2026:1785413587) | Nessus | CentOS Local Security Checks | Local | critical |
| 361706 | CentOS Linux 8.5 [TuxCare] Security Update: nginx / nginx-all-modules / nginx-filesystem / etc (CENTOS8.5:CLSA-2026:1784800609) | Nessus | CentOS Local Security Checks | Local | critical |
| 361587 | CentOS Linux 6 [TuxCare] Security Update: nginx / nginx-all-modules / nginx-filesystem / nginx-mod-http-geoip / etc (CENTOS6:CLSA-2026:1784804810) | Nessus | CentOS Local Security Checks | Local | critical |
| 360967 | CentOS Linux 8 [TuxCare] Security Update: nginx / nginx-all-modules / nginx-filesystem / etc (CENTOS-STREAM8:CLSA-2026:1784800978) | Nessus | CentOS Local Security Checks | Local | critical |
| 360270 | Rocky Linux 9.6 [TuxCare] Security Update: nginx / nginx-all-modules / nginx-core / nginx-filesystem / etc (ALMALINUX9.6:CLSA-2026:1784888515) | Nessus | Rocky Linux Local Security Checks | Local | critical |
| 360118 | AlmaLinux 9.6 [TuxCare] Security Update: nginx / nginx-all-modules / nginx-core / nginx-filesystem / etc (ALMALINUX9.6:CLSA-2026:1784888515) | Nessus | Alma Linux Local Security Checks | Local | critical |
| 359714 | CentOS Linux 8.4 [TuxCare] Security Update: nginx / nginx-all-modules / nginx-filesystem / etc (CENTOS8.4:CLSA-2026:1784800112) | Nessus | CentOS Local Security Checks | Local | critical |
| 356303 | Rocky Linux 9 [CIQ] Security Update: nginx / nginx-all-modules / nginx-core / nginx-core-debuginfo / etc (crlsa-2026_67308) | Nessus | Rocky Linux Local Security Checks | Local | critical |
| 356200 | Rocky Linux 9 [CIQ] Security Update: nginx / nginx-all-modules / nginx-core / nginx-core-debuginfo / etc (crlsa-2026_67283) | Nessus | Rocky Linux Local Security Checks | Local | critical |
| 355358 | Rocky Linux 9 [CIQ] Security Update: nginx / nginx-all-modules / nginx-core / nginx-core-debuginfo / etc (crlsa-2026_66542) | Nessus | Rocky Linux Local Security Checks | Local | critical |
| 354795 | Rocky Linux 8 [CIQ] Security Update: nginx / nginx-all-modules / nginx-debuginfo / nginx-debugsource / etc (crlsa-2026_67315) | Nessus | Rocky Linux Local Security Checks | Local | critical |
| 353621 | Rocky Linux 10.2 [CIQ] Security Update: nginx / nginx-all-modules / nginx-core / nginx-core-debuginfo / etc (crlsa-2026_67314) | Nessus | Rocky Linux Local Security Checks | Local | critical |
| 353061 | AlmaLinux 9.2 [TuxCare] Security Update: nginx / nginx-all-modules / nginx-core / nginx-filesystem / etc (ALMALINUX9.2:CLSA-2026:1784647630) | Nessus | Alma Linux Local Security Checks | Local | critical |
| 348333 | Debian dla-4784 : libnginx-mod-http-geoip - security update | Nessus | Debian Local Security Checks | Local | critical |
| 346895 | MiracleLinux 9 : nginx:1.26 (AXSA:2026-1869:01) | Nessus | Miracle Linux Local Security Checks | Local | critical |
| 346819 | MiracleLinux 9 : nginx-1.20.1-28.el9_8.6.ML.1 (AXSA:2026-1857:08) | Nessus | Miracle Linux Local Security Checks | Local | critical |
| 346318 | MiracleLinux 9 : nginx:1.24 nginx-1.24.0-7.module+el9+1196+3855d771.5.ML.1 (AXSA:2026-1851:01) | Nessus | Miracle Linux Local Security Checks | Local | critical |
| 346316 | MiracleLinux 8 : nginx:1.24 nginx-1.24.0-3.module+el8+2045+adfc96b2.5.ML.1 (AXSA:2026-1852:01) | Nessus | Miracle Linux Local Security Checks | Local | critical |
| 346299 | AlmaLinux 9 : nginx:1.26 (ALSA-2026:67283) | Nessus | Alma Linux Local Security Checks | Local | critical |
| 346253 | Oracle Linux 8 : ELSA-2026-67315-0: / nginx:1.24 (ELSA-2026-673150) | Nessus | Oracle Linux Local Security Checks | Local | critical |
| 346175 | Oracle Linux 9 : ELSA-2026-67308-0: / nginx:1.24 (ELSA-2026-673080) | Nessus | Oracle Linux Local Security Checks | Local | critical |
| 345985 | Oracle Linux 9 : ELSA-2026-67283-0: / nginx:1.26 (ELSA-2026-672830) | Nessus | Oracle Linux Local Security Checks | Local | critical |
| 345941 | AlmaLinux 8 : nginx:1.24 (ALSA-2026:67315) | Nessus | Alma Linux Local Security Checks | Local | critical |
| 345936 | AlmaLinux 9 : nginx:1.24 (ALSA-2026:67308) | Nessus | Alma Linux Local Security Checks | Local | critical |
| 345935 | AlmaLinux 10 : nginx (ALSA-2026:67314) | Nessus | Alma Linux Local Security Checks | Local | critical |
| 345920 | RockyLinux 10 : nginx (RLSA-2026:67314) | Nessus | Rocky Linux Local Security Checks | Local | critical |
| 345899 | Oracle Linux 10 : ELSA-2026-67314-0: / nginx (ELSA-2026-673140) | Nessus | Oracle Linux Local Security Checks | Local | critical |
| 345732 | RockyLinux 8 : nginx:1.24 (RLSA-2026:67315) | Nessus | Rocky Linux Local Security Checks | Local | critical |
| 345730 | RockyLinux 9 : nginx:1.26 (RLSA-2026:67283) | Nessus | Rocky Linux Local Security Checks | Local | critical |
| 345729 | RockyLinux 9 : nginx:1.24 (RLSA-2026:67308) | Nessus | Rocky Linux Local Security Checks | Local | critical |
| 345710 | RHEL 8 : nginx:1.24 (RHSA-2026:67315) | Nessus | Red Hat Local Security Checks | Local | critical |
| 345706 | RHEL 9 : nginx:1.26 (RHSA-2026:67283) | Nessus | Red Hat Local Security Checks | Local | critical |
| 345704 | RHEL 9 : nginx:1.24 (RHSA-2026:67308) | Nessus | Red Hat Local Security Checks | Local | critical |
| 345702 | RHEL 10 : nginx (RHSA-2026:67314) | Nessus | Red Hat Local Security Checks | Local | critical |
| 345000 | Debian dsa-6496 : libnginx-mod-http-geoip - security update | Nessus | Debian Local Security Checks | Local | critical |
| 344857 | Oracle Linux 9 : ELSA-2026-66542-0: / nginx (ELSA-2026-665420) | Nessus | Oracle Linux Local Security Checks | Local | critical |
| 344847 | AlmaLinux 9 : nginx (ALSA-2026:66542) | Nessus | Alma Linux Local Security Checks | Local | critical |
| 344834 | RockyLinux 9 : nginx (RLSA-2026:66542) | Nessus | Rocky Linux Local Security Checks | Local | critical |
| 344771 | RHEL 9 : nginx (RHSA-2026:66542) | Nessus | Red Hat Local Security Checks | Local | critical |
| 337633 | GLSA-202608-16 : nginx: Multiple Vulnerabilities | Nessus | Gentoo Local Security Checks | Local | critical |
| 334075 | Photon OS 5.0: Nginx PHSA-2026-5.0-92-0935 | Nessus | PhotonOS Local Security Checks | Local | critical |
| 333007 | openSUSE 16 Security Update : nginx (openSUSE-SU-2026:21524-1) | Nessus | SuSE Local Security Checks | Local | critical |
| 332122 | SUSE SLES15 Security Update : nginx (SUSE-SU-2026:3469-1) | Nessus | SuSE Local Security Checks | Local | critical |
| 332006 | Amazon Linux 2 : nginx, --advisory ALAS2NGINX1-2026-015 (ALASNGINX1-2026-015) | Nessus | Amazon Linux Local Security Checks | Local | critical |
| 331990 | Amazon Linux 2023 : nginx, nginx-all-modules, nginx-core (ALAS2023-2026-2008) | Nessus | Amazon Linux Local Security Checks | Local | critical |
| 331908 | Photon OS 5.0: Nginx PHSA-2026-5.0-0935 | Nessus | PhotonOS Local Security Checks | Local | critical |
| 331834 | SUSE SLES15 Security Update : nginx (SUSE-SU-2026:3448-1) | Nessus | SuSE Local Security Checks | Local | critical |
| 331833 | FreeBSD : Angie -- multiple vulnerabilities (347fe124-8f53-11f1-9f4f-3c7c3fba4204) | Nessus | FreeBSD Local Security Checks | Local | critical |
| 330774 | TencentOS Server 4: nginx (TSSA-2026:0673) | Nessus | Tencent Local Security Checks | Local | critical |
| 330766 | Fedora 43 : nginx / nginx-mod-brotli / nginx-mod-fancyindex / etc (2026-3b93aae2d6) | Nessus | Fedora Local Security Checks | Local | critical |
| 330084 | nginx 1.30.x < 1.30.4 / 1.31.2 < 1.31.3 Multiple Vulnerabilities | Nessus | Web Servers | Combined | critical |
| 329154 | Fedora 44 : nginx / nginx-mod-brotli / nginx-mod-fancyindex / etc (2026-60fc198d3b) | Nessus | Fedora Local Security Checks | Local | critical |
| 444867 | Alpine: nginx: security update to 1.30.4-r0 | Tenable Cloud Security | Alpine Linux Local Security Checks | Local | critical |
| 444867 | Alpine: nginx: security update to 1.30.4-r0 | Tenable Self-Hosted Container Security | Alpine Linux Local Security Checks | Local | critical |
| 444866 | Alpine: nginx: security update to 1.28.3-r6 | Tenable Cloud Security | Alpine Linux Local Security Checks | Local | critical |
| 444866 | Alpine: nginx: security update to 1.28.3-r6 | Tenable Self-Hosted Container Security | Alpine Linux Local Security Checks | Local | critical |
| 328445 | Fedora 45 : nginx / nginx-mod-brotli / nginx-mod-fancyindex / etc (2026-d1cd8e3d25) | Nessus | Fedora Local Security Checks | Local | critical |
| 327771 | FreeBSD : nginx -- multiple vulnerabilities (56feeac6-8263-11f1-92ba-bc24110523fe) | Nessus | FreeBSD Local Security Checks | Local | critical |
| 115314 | Nginx < 1.30.4 Multiple Vulnerabilities | Web App Scanning | Component Vulnerability | Version Based | critical |
| 115313 | Nginx 1.31.x < 1.31.3 Multiple Vulnerabilities | Web App Scanning | Component Vulnerability | Version Based | critical |
| 327358 | Linux Distros Unpatched Vulnerability : CVE-2026-42533 | Nessus | Misc. | Local | critical |