CVE-2026-43634

HestiaCP versions 1.2.0 through 1.9.4 contain an IP spoofing vulnerability that allows unauthenticated remote attackers to bypass authentication security controls by supplying an arbitrary IP address in the CF-Connecting-IP HTTP header without verifying the request originated from Cloudflare's...

CVE-2026-8960

Spoofing issue in WebExtensions. This vulnerability was fixed in Firefox 151 and Thunderbird 151...

CVE-2026-8961

Spoofing issue in the Form Autofill component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11...

CVE-2026-8963

Spoofing issue in the Web Speech component. This vulnerability was fixed in Firefox 151 and Thunderbird 151...

CVE-2026-8964

Spoofing issue in the Popup Blocker component. This vulnerability was fixed in Firefox 151 and Thunderbird 151...

CVE-2026-8951

Spoofing issue in the Toolbar component in Firefox for Android. This vulnerability was fixed in Firefox 151...

CVE-2026-8961

Spoofing issue in the Form Autofill component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11...

CVE-2026-8964

Spoofing issue in the Popup Blocker component. This vulnerability was fixed in Firefox 151 and Thunderbird 151...

CVE-2026-8960

Spoofing issue in WebExtensions. This vulnerability was fixed in Firefox 151 and Thunderbird 151...

UBUNTU-CVE-2026-8963

Spoofing issue in the Web Speech component. This vulnerability was fixed in Firefox 151 and Thunderbird 151...

UBUNTU-CVE-2026-8951

Spoofing issue in the Toolbar component in Firefox for Android. This vulnerability was fixed in Firefox 151...

UBUNTU-CVE-2026-8960

Spoofing issue in WebExtensions. This vulnerability was fixed in Firefox 151 and Thunderbird 151...

UBUNTU-CVE-2026-8964

Spoofing issue in the Popup Blocker component. This vulnerability was fixed in Firefox 151 and Thunderbird 151...

CVE-2026-8963

Spoofing issue in the Web Speech component. This vulnerability was fixed in Firefox 151 and Thunderbird 151...

CVE-2026-8951

Spoofing issue in the Toolbar component in Firefox for Android. This vulnerability was fixed in Firefox 151...

UBUNTU-CVE-2026-8961

Spoofing issue in the Form Autofill component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11...

unbound: DNSBomb vulnerability

A DNSBomb flaw was found in the unbound package. The DNSBomb attack works by sending low-rate spoofed queries for a malicious zone to Unbound. By controlling the delay of the malicious authoritative answers, Unbound slowly accumulates pending answers for the spoofed addresses. When the...

CVE-2026-43634

CVE-2026-43634 affects HestiaCP versions 1.2.0–1.9.4. The vulnerability is an IP spoofing flaw: unauthenticated attackers can send arbitrary IPs via the CF-Connecting-IP header, bypassing authentication controls and Cloudflare network verification. This can defeat fail2ban brute-force protections...

EUVD-2026-30935

HestiaCP versions 1.2.0 through 1.9.4 contain an IP spoofing vulnerability that allows unauthenticated remote attackers to bypass authentication security controls by supplying an arbitrary IP address in the CF-Connecting-IP HTTP header without verifying the request originated from Cloudflare's...

CVE-2026-43634

HestiaCP versions 1.2.0 through 1.9.4 contain an IP spoofing vulnerability that allows unauthenticated remote attackers to bypass authentication security controls by supplying an arbitrary IP address in the CF-Connecting-IP HTTP header without verifying the request originated from Cloudflare's...