Imperva Customers Protected Against CVE-2026-49975 (HTTP/2 Bomb) DoS

TL;DR: CVE-2026-49975, dubbed the “HTTP/2 Bomb,” is a critical remote Denial-of-Service DoS vulnerability affecting default HTTP/2 configurations of major web servers including NGINX, Apache HTTPD, Microsoft IIS, Envoy, and Cloudflare Pingora. Discovered by security firm Calif using OpenAI’s Code...

Exploit for CVE-2026-42945

nginx-rift-scanner Dependency-free Python 3 scanner for CVE...

Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS / 20.04 LTS : nginx vulnerabilities (USN-8375-1)

The remote Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS / 20.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8375-1 advisory. It was discovered that the nginx ngxmailsmtpmodule module incorrectly handled certain memory operations when doing SM...

RockyLinux 10 : nginx (RLSA-2026:19159)

The remote RockyLinux 10 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2026:19159 advisory. nginx: NGINX: Arbitrary Code Execution Vulnerability CVE-2026-42945 Tenable has extracted the preceding description block directly from the RockyLinux security...

New HTTP/2 Bomb Vulnerability Allows Remote DoS on NGINX, Apache, IIS, Envoy & Cloudflare

Cybersecurity researchers have discovered a remote denial-of-service exploit that affects major web servers, including NGINX, Apache HTTPD, Microsoft IIS, Envoy, and Cloudflare Pingora. The vulnerability has been codenamed HTTP/2 Bomb by Calif. "The vulnerable behavior exists in each server's...

GHSA-H78R-86C6-JGP4 vulnerabilities

Vulnerabilities for packages: nginx-mainline, nginx-stable...

CVE-2026-9256 vulnerabilities

Vulnerabilities for packages: nginx-mainline, nginx-stable...

CVE-2026-9256 vulnerabilities

Vulnerabilities for packages: nginx-mainline, nginx-stable...

GHSA-H78R-86C6-JGP4 vulnerabilities

Vulnerabilities for packages: nginx-mainline, nginx-stable...

Exploit for CVE-2026-9256

CVE-2026-9...

RockyLinux 9 : nginx:1.24 (RLSA-2026:19371)

The remote RockyLinux 9 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2026:19371 advisory. nginx: NGINX: Arbitrary Code Execution Vulnerability CVE-2026-42945 Tenable has extracted the preceding description block directly from the RockyLinux security...

May Linux Patch Wednesday

May Linux Patch Wednesday. A total of 1,638 vulnerabilities 474 in the Linux kernel. For comparison, in April there were 1,035 vulnerabilities a record!. And this time it turns out to be a record again, more than one and a half times higher! The acceleration is both impressive and alarming. But w...

Critical: Red Hat Security Advisory: Red Hat OpenShift Data Foundation 4.14.33 security, enhancement & bug fix update

Red Hat OpenShift Data Foundation 4.14.33 security, enhancement & bug fix update Red Hat OpenShift Data Foundation 4.14.33 security, enhancement & bug fix update FIXED BUGS: ========== DFBUGS-6993: RHODF 4.14.33 release NGINX: Arbitrary Code Execution Vulnerability CVE-2026-42945...

Critical: Red Hat Security Advisory: Red Hat OpenShift Data Foundation 4.16.29 security, enhancement & bug fix update

Red Hat OpenShift Data Foundation 4.16.29 security, enhancement & bug fix update Red Hat OpenShift Data Foundation 4.16.29 security, enhancement & bug fix update FIXED BUGS: ========== DFBUGS-7034: RHODF 4.16.29 release NGINX: Arbitrary Code Execution Vulnerability CVE-2026-42945...

Critical: Red Hat Security Advisory: Red Hat OpenShift Data Foundation 4.15.29 security, enhancement & bug fix update

Red Hat OpenShift Data Foundation 4.15.29 security, enhancement & bug fix update Red Hat OpenShift Data Foundation 4.15.29 security, enhancement & bug fix update FIXED BUGS: ========== DFBUGS-6992: RHODF 4.15.29 release NGINX: Arbitrary Code Execution Vulnerability CVE-2026-42945...

Critical: Red Hat Security Advisory: Red Hat OpenShift Data Foundation 4.18.23 security, enhancement & bug fix update

Red Hat OpenShift Data Foundation 4.18.23 security, enhancement & bug fix update Red Hat OpenShift Data Foundation 4.18.23 security, enhancement & bug fix update FIXED BUGS: ========== DFBUGS-7032: RHODF 4.18.23 release NGINX: Arbitrary Code Execution Vulnerability CVE-2026-42945...

Critical: Red Hat Security Advisory: Red Hat OpenShift Data Foundation 4.21.6 security, enhancement & bug fix update

Red Hat OpenShift Data Foundation 4.21.6 security, enhancement & bug fix update Red Hat OpenShift Data Foundation 4.21.6 security, enhancement & bug fix update FIXED BUGS: ========== DFBUGS-6964: RHODF 4.21.6 release NGINX: Arbitrary Code Execution Vulnerability CVE-2026-42945...

USN-8354-1 nginx vulnerabilities

It was discovered that nginx did not properly validate source addresses in the HTTP/3 QUIC module. A remote attacker could possibly use this issue to bypass authorization checks or rate limiting. This issue only affected Ubuntu 25.04 and Ubuntu 25.10. CVE-2026-40460 It was discovered that nginx...

USN-8354-1: nginx vulnerabilities

It was discovered that nginx did not properly validate source addresses in the HTTP/3 QUIC module. A remote attacker could possibly use this issue to bypass authorization checks or rate limiting. This issue only affected Ubuntu 25.04 and Ubuntu 25.10. CVE-2026-40460 It was discovered that nginx...

BIT-NGINX-2026-9256 NGINX ngx_http_rewrite_module vulnerability

NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttprewritemodule module. This vulnerability exists when a rewrite directive uses a regex pattern with distinct, overlapping Perl-Compatible Regular Expression PCRE captures for example, ^/.$ and a replacement string that references...