CVE-2026-3833

A flaw was found in gnutls. This vulnerability occurs because gnutls performs case-sensitive comparisons of nameConstraints labels, specifically for dNSName DNS or rfc822Name email constraints within excludedSubtrees or permittedSubtrees. A remote attacker can exploit this by crafting a leaf...

CVE-2026-3833 Gnutls: gnutls: policy bypass due to case-sensitive nameconstraints comparison

A flaw was found in gnutls. This vulnerability occurs because gnutls performs case-sensitive comparisons of nameConstraints labels, specifically for dNSName DNS or rfc822Name email constraints within excludedSubtrees or permittedSubtrees. A remote attacker can exploit this by crafting a leaf...

CVE-2026-3833

Technical details for CVE-2026-3833 are not publicly available in the provided documents; OpenSUSE/PTSecurity entries reference fixes but do not expose affected components, impact, or mitigation here. Monitor for updates.

CVE-2026-3833

A flaw was found in gnutls. This vulnerability occurs because gnutls performs case-sensitive comparisons of nameConstraints labels, specifically for dNSName DNS or rfc822Name email constraints within excludedSubtrees or permittedSubtrees. A remote attacker can exploit this by crafting a leaf...

CVE-2026-3833

A flaw was found in gnutls. This vulnerability occurs because gnutls performs case-sensitive comparisons of "nameConstraints" labels, specifically for "dNSName" DNS or "rfc822Name" email constraints within "excludedSubtrees" or "permittedSubtrees". A remote attacker can exploit this by crafting a...

EUVD-2026-26403

A flaw was found in gnutls. This vulnerability occurs because gnutls performs case-sensitive comparisons of nameConstraints labels, specifically for dNSName DNS or rfc822Name email constraints within excludedSubtrees or permittedSubtrees. A remote attacker can exploit this by crafting a leaf...

CVE-2026-3833 Gnutls: gnutls: policy bypass due to case-sensitive nameconstraints comparison

A flaw was found in gnutls. This vulnerability occurs because gnutls performs case-sensitive comparisons of nameConstraints labels, specifically for dNSName DNS or rfc822Name email constraints within excludedSubtrees or permittedSubtrees. A remote attacker can exploit this by crafting a leaf...

Improper Handling of Case Sensitivity

Overview Affected versions of this package are vulnerable to Improper Handling of Case Sensitivity in the enforcement of X.509 nameConstraints due to case-sensitive comparisons for dNSName and the domain portion of rfc822Name. An attacker can gain unauthorized certificate validation and potential...

CVE-2026-36340

An issue in Krayin CRM v.2.1.5 and fixed in v.2.1.6 allows a remote attacker to execute arbitrary code via the compose email function...

Email threat landscape: Q1 2026 trends and insights

In this article 1. Tycoon2FA disruption impact 2. QR code phishing attacks 3. CAPTCHA tactics 4. Malicious payloads 5. Business email compromise 6. Defending against email threats 7. Microsoft Defender detections During the first quarter of 2026 January-March, Microsoft Threat Intelligence detect...

Email threat landscape: Q1 2026 trends and insights

In this article 1. Tycoon2FA disruption impact 2. QR code phishing attacks 3. CAPTCHA tactics 4. Malicious payloads 5. Business email compromise 6. Defending against email threats 7. Microsoft Defender detections During the first quarter of 2026 January-March, Microsoft Threat Intelligence detect...

GHSA-X8MH-94WC-33GV apache-airflow-providers-smtp: No certificate validation on SMTP STARTTLS connections in SMTP provider

Apache Airflow's SMTP provider SmtpHook called Python's smtplib.SMTP.starttls without an SSL context, so no certificate validation was performed on the TLS upgrade. A man-in-the-middle between the Airflow worker and the SMTP server could present a self-signed certificate, complete the STARTTLS...

CLSA-2026-1777545539 Fix of 6 CVEs

SECURITY UPDATE: fix quadratic complexity in http cookie parsing with backslash escapes - debian/patches/CVE-2024-7592.patch: fix quadratic complexity in http cookie parsing with backslash escapes - CVE-2024-7592 SECURITY UPDATE: reject leading dashes in webbrowser URLs and %action substitution...

Exploit for CVE-2026-36340

CVE-2026-36340 Remote Code Execution RCE Vulnerability in Kr...

📄 GoAnywhere MFT 7.9.1 HTML Injection

GoAnywhere MFT versions prior to 7.10.0 are affected by an HTML injection vulnerability in the email templating functionality. If an attacker is able to influence the content of a template variable, malicious HTML can be embedded into outgoing emails generated by the application. As these message...

VulnCheck KEV: CVE-2026-2025

The Mail Mint WordPress plugin before 1.19.5 does not have authorization in one of its REST API endpoint, allowing unauthenticated users to call it and retrieve the email addresses of users on the blog...

Oracle Linux 8 : grafana (ELSA-2026-11507)

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-11507 advisory. - Fixes CVE-2024-1442 Add email verification when updating user email Orabug: 38550520 - Resolves RHEL-166519: CVE-2026-32282 - Resolves RHEL-167380:...

PT-2026-36084

Name of the Vulnerable Software and Affected Versions apache-airflow-providers-smtp affected versions not specified Description The SmtpHook component in the SMTP provider calls the Python function smtplib.SMTP.starttls without an SSL context. This omission prevents certificate validation during...

CVE-2026-36340: Improper Control of Generation of Code

An issue in Krayin CRM v.2.1.5 and fixed in v.2.1.6 allows a remote attacker to execute arbitrary code via the compose email function...

CVE-2026-36340

An issue in Krayin CRM v.2.1.5 and fixed in v.2.1.6 allows a remote attacker to execute arbitrary code via the compose email function...