CURL-CVE-2026-87866 wolfSSL public-key pinning bypass

When built with wolfSSL, curl can successfully validate a pinned public key hash against a key the TLS peer does not possess. During the TLS handshake, wolfSSL validates the connection, but curl's subsequent re-parsing of the same certificate - tricked by a manipulated validity length field -...

CentOS Linux 8.5 [TuxCare] Security Update: curl / curl-minimal / libcurl / libcurl-devel / libcurl-minimal Multiple Vulnerabilities (CENTOS8.5:CLSA-2026:1789899690)

The CentOS Linux 8.5 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare CENTOS8.5:CLSA-2026:1789899690 advisory. - A flaw in libcurl's handling of HTTP/2 Server Push streams, when the parent handle is set to share connections with other handles,...

AlmaLinux 9.2 [TuxCare] Security Update: curl / curl-minimal / libcurl / libcurl-devel / libcurl-minimal Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2026:1790154364)

The AlmaLinux 9.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1790154364 advisory. - A flaw in libcurl's handling of HTTP/2 Server Push streams, when the parent handle is set to share connections with other handles,...

CVE-2015-2741: Undefined Security Weakness

Mozilla Firefox before 39.0, Firefox ESR 38.x before 38.1, and Thunderbird before 38.1 do not enforce key pinning upon encountering an X.509 certificate problem that generates a user dialog, which allows user-assisted man-in-the-middle attackers to bypass intended access restrictions by triggerin...

Ubuntu 14.04 LTS : Firefox vulnerabilities (USN-2505-1)

The remote Ubuntu 14.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-2505-1 advisory. Matthew Noorenberghe discovered that Mozilla domains in the allowlist could make UITour API calls from background tabs. If one of these domains were...

Firefox < 33.0 Multiple Vulnerabilities (Mac OS X)

The version of Firefox installed on the remote Mac OS X host is a version prior to 33.0. It is, therefore, affected by the following vulnerabilities : - Multiple memory safety flaws exist within the browser engine. Exploiting these, an attacker can cause a denial of service or execute arbitrary...

Key pinning bypasses — Mozilla

Mozilla developer Patrick McManus reported a method to use SPDY or HTTP/2 connection coalescing to bypass key pinning on different sites that resolve to the same IP address.This could allow the use of a fraudulent certificate when a saved pin for that subdomain should have prevented the connectio...