Astra Linux – Vulnerability in Thunderbird, Firefox

By confusing the browser, the fullscreen notification could have been delayed or suppressed, leading to potential user confusion or spoofing attacks. This vulnerability affects Firefox versions earlier than 108...

Astra Linux – Vulnerability in Thunderbird

When processing a PGP/MIME payload that contains digitally signed text, the first paragraph of the text is never displayed to the user. This is because the text is interpreted as a MIME message, and the first paragraph is always treated as part of an email header section. A digitally signed text...

Astra Linux – Vulnerability in Firefox and Thunderbird

In several cases, browser prompts might have been obscured by pop-ups controlled by content. This could lead to potential user confusion and spoofing attacks. This vulnerability affects Firefox 113, Firefox ESR 102.11, and Thunderbird 102.11...

Astra Linux – Vulnerability in Firefox and Thunderbird

An attacker could cause a select dropdown menu to be displayed over another tab; this could lead to user confusion and potential spoofing attacks. This vulnerability affects Firefox 133, Firefox ESR 128.5, Thunderbird 133, and Thunderbird 128.5...

EUVD-2026-60946

ArcSearch for iOS versions prior to 1.48.0 could keep the address bar hidden after a page-initiated scroll, allowing attacker-controlled content to imitate browser interface elements and increasing spoofing risk...

golang.org/x/crypto/ssh/knownhosts: golang: golang.org/x/crypto/ssh/knownhosts: Revocation bypass via unchecked SignatureKey

A flaw was found in golang.org/x/crypto/ssh/knownhosts. This vulnerability occurs because the system did not correctly check for the revocation status of a SignatureKey belonging to a Certificate Authority CA. A remote attacker could potentially exploit this by presenting a revoked key, leading t...

PT-2026-66676

CodeIgniter is a PHP full-stack web framework. In versions prior to 4.7.4, IncomingRequest::isSecure trusted the X-Forwarded-Proto and Front-End-Https headers from any incoming request, allowing an attacker could spoof these headers and cause the application to incorrectly treat an HTTP request a...

PYSEC-2026-3491 OpenStack Neutron: Neutron port RBAC policy bypass allows project managers to set trusted device owners on shared networks

In OpenStack Neutron before 28.0.1, a project manager can create or update a port on a shared network owned by another project and set deviceowner to a value that has "network:" at the beginning "network:dhcp" for example. The default port RBAC policies incorrectly included PROJECTMANAGER without...

EUVD-2026-47909

Joomla Extension - regularlabs.com - IP spoofing vulnerability in GeoIP extension - GeoIP lookups trusted spoofable forwarded client-IP headers, this could cause GeoIP-rule bypass...

EUVD-2026-47815

IP Login trusted forwarded client-IP headers without requiring a configured trusted proxy. Attackers could spoof the IP used for automatic login and potentially impersonate mapped accounts...

gnutls: gnutls: Certificate validation bypass due to improper handling of URI and SRV SANs

A flaw was found in gnutls. A remote attacker could exploit this vulnerability by presenting a specially crafted certificate that contains Uniform Resource Identifier URI or Service SRV Subject Alternative Names SANs. This could cause the certificate validation process to incorrectly fall back to...

gnutls: gnutls: Certificate validation bypass due to oversized Subject Alternative Name

A flaw was found in gnutls. When validating certificates, an oversized Subject Alternative Name SAN could cause the validation process to incorrectly fall back to checking the Common Name CN field. This could allow a remote attacker to bypass proper certificate validation, potentially leading to...

Security Updates for Microsoft SharePoint Server 2016 (July 2026)

The Microsoft SharePoint Server 2016 installation on the remote host is missing security updates. It is, therefore, affected by multiple vulnerabilities: - Deserialization of untrusted data in Microsoft Office SharePoint allows an unauthorized attacker to execute code over a network. CVE-2026-505...

golang.org/x/crypto/ssh/knownhosts: golang: golang.org/x/crypto/ssh/knownhosts: Revocation bypass via unchecked SignatureKey

A flaw was found in golang.org/x/crypto/ssh/knownhosts. This vulnerability occurs because the system did not correctly check for the revocation status of a SignatureKey belonging to a Certificate Authority CA. A remote attacker could potentially exploit this by presenting a revoked key, leading t...

PT-2026-56072

Name of the Vulnerable Software and Affected Versions Coder versions prior to 2.34.2 Coder versions prior to 2.33.8 Coder versions prior to 2.32.7 Coder versions prior to 2.29.17 Description The tailnet coordinator fails to validate that an agent's AllowedIPs derive from its authenticated UUID,...

PT-2026-54232

Name of the Vulnerable Software and Affected Versions Google Chrome versions prior to 150.0.7871.47 Description An issue in the PageInfo security UI allows a remote attacker to perform UI spoofing. This occurs when a user is convinced to perform specific UI gestures while interacting with a craft...

gnutls: gnutls: Certificate validation bypass due to improper handling of URI and SRV SANs

A flaw was found in gnutls. A remote attacker could exploit this vulnerability by presenting a specially crafted certificate that contains Uniform Resource Identifier URI or Service SRV Subject Alternative Names SANs. This could cause the certificate validation process to incorrectly fall back to...

gnutls: gnutls: Certificate validation bypass due to improper handling of URI and SRV SANs

A flaw was found in gnutls. A remote attacker could exploit this vulnerability by presenting a specially crafted certificate that contains Uniform Resource Identifier URI or Service SRV Subject Alternative Names SANs. This could cause the certificate validation process to incorrectly fall back to...

gnutls: gnutls: Certificate validation bypass due to improper handling of URI and SRV SANs

A flaw was found in gnutls. A remote attacker could exploit this vulnerability by presenting a specially crafted certificate that contains Uniform Resource Identifier URI or Service SRV Subject Alternative Names SANs. This could cause the certificate validation process to incorrectly fall back to...

CVE-2026-48028

Mastodon is a free, open-source social network server based on ActivityPub. Prior to 4.5.10, 4.4.17, and 4.3.23, Mastodon's normalization of incoming activities signed with Linked-Data Signatures does not sufficiently protect the activities from a certain class of spoofing, allowing threat actors...