GO-2026-4947 Unexpected work during chain building in crypto/x509

During chain building, the amount of work that is done is not correctly limited when a large number of intermediate certificates are passed in VerifyOptions.Intermediates, which can lead to a denial of service. This affects both direct users of crypto/x509 and users of crypto/tls...

PT-2026-31061

Name of the Vulnerable Software and Affected Versions versions prior to 2.3 Description An issue exists in the way certificate chains are processed, specifically during chain building. The amount of work performed isn't properly limited when a large number of intermediate certificates are provide...

CVE-2026-34071

Stirling-PDF is a locally hosted web application that allows you to perform various operations on PDF files. In version 2.7.3, the /api/v1/convert/eml/pdf endpoint with parameter downloadHtml=true returns unsanitized HTML from the email body with Content-Type: text/html. An attacker who sends a...

Digital Bazaar Forge 信任管理问题漏洞

Digital Bazaar Forge is a native implementation of TLS in JavaScript by the American company Digital Bazaar, and it is an open-source tool used for developing encrypted and network-intensive web applications. Versions of Digital Bazaar Forge prior to 1.4.0 had a trust management vulnerability. Th...

Forge has a basicConstraints bypass in its certificate chain verification (RFC 5280 violation)

Summary pki.verifyCertificateChain does not enforce RFC 5280 basicConstraints requirements when an intermediate certificate lacks both the basicConstraints and keyUsage extensions. This allows any leaf certificate without these extensions to act as a CA and sign other certificates, which node-for...

GHSA-2328-F5F3-GJ25 Forge has a basicConstraints bypass in its certificate chain verification (RFC 5280 violation)

Summary pki.verifyCertificateChain does not enforce RFC 5280 basicConstraints requirements when an intermediate certificate lacks both the basicConstraints and keyUsage extensions. This allows any leaf certificate without these extensions to act as a CA and sign other certificates, which node-for...

CVE-2026-34071 Stirling-PDF has Stored Cross Site Scripting (XSS) via EML-to-HTML Export

Stirling-PDF is a locally hosted web application that allows you to perform various operations on PDF files. In version 2.7.3, the /api/v1/convert/eml/pdf endpoint with parameter downloadHtml=true returns unsanitized HTML from the email body with Content-Type: text/html. An attacker who sends a...

CVE-2026-20074

A vulnerability in the Intermediate System-to-Intermediate System IS-IS multi-instance routing feature of Cisco IOS XR Software could allow an unauthenticated, adjacent attacker to cause the IS-IS process to restart unexpectedly. This vulnerability is due to insufficient input validation of ingre...

CVE-2026-20074

The CVE concerns Cisco IOS XR Software’s IS-IS multi-instance routing feature. An unauthenticated, Layer-2 adjacent attacker can trigger the IS-IS process to restart by sending crafted ingress IS-IS packets after forming an adjacency, due to insufficient input validation. The resulting impact is ...

Cisco IOS XR Software Multi-Instance Intermediate System-to-Intermediate System Denial of Service Vulnerability

A vulnerability in the Intermediate System-to-Intermediate System IS-IS multi-instance routing feature of Cisco IOS XR Software could allow an unauthenticated, adjacent attacker to cause the IS-IS process to restart unexpectedly. This vulnerability is due to insufficient input validation of ingre...

PT-2026-24730

Name of the Vulnerable Software and Affected Versions Cisco IOS XR Software affected versions not specified Description A flaw exists in the Intermediate System-to-Intermediate System IS-IS multi-instance routing feature that could allow a nearby, unauthenticated attacker to unexpectedly restart...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-005547)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005547 advisory. In the Linux kernel, the following vulnerability has been resolved: i40e: fix race condition by adding filter's intermediate sync state Fix a race condition in the...

📄 Cosign 3.0.4 Certificate Chain Validation Bypass

A logic flaw in the certificate verification process of Cosign versions 3.0.4 and below allows signatures to be accepted even when the issuing Intermediate Certificate Authority CA has already expired. This proof of concept generates a chain that can be tested with this software in order to prove...

GO-2026-4529 Cosign considered signatures valid with expired intermediate certificates when transparency log verification is skipped in github.com/sigstore/cosign

Cosign considered signatures valid with expired intermediate certificates when transparency log verification is skipped in github.com/sigstore/cosign...

Improper Certificate Validation

Overview Affected versions of this package are vulnerable to Improper Certificate Validation due to improper validation of certificate chains during signature verification when transparency log verification is skipped. An attacker can cause acceptance of signatures with expired intermediate...

GHSA-WFQV-66VQ-46RM Cosign considered signatures valid with expired intermediate certificates when transparency log verification is skipped

Summary When verifying artifact signatures using a certificate, Cosign first verifies the certificate chain using the leaf certificate's "not before" timestamp and later checks expiry of the leaf certificate using either a signed timestamp provided by the Rekor transparency log or from a timestam...

Cosign considered signatures valid with expired intermediate certificates when transparency log verification is skipped

Summary When verifying artifact signatures using a certificate, Cosign first verifies the certificate chain using the leaf certificate's "not before" timestamp and later checks expiry of the leaf certificate using either a signed timestamp provided by the Rekor transparency log or from a timestam...

GHSA-X5M4-43JF-HH65 soroban-fixed-point-math has Incorrect Rounding and Overflow Handling in Signed Fixed-Point Math with Negatives

Impact Incorrect rounding direction for signed mul and div operations The mulDivx, y, z function incorrectly handled cases where both the intermediate product $x y$ and the divisor $z$ were negative. The logic assumed that if the intermediate product was negative, the final result must also be...

CVE-2021-47898

Epson USB Display 1.6.0.0 contains an unquoted service path vulnerability in the EMPUDSA service running with LocalSystem privileges. Attackers can exploit the unquoted path by placing malicious executables in intermediate directories to gain elevated system access...

MiracleLinux 4 : nspr-4.10.2-1.AXS4, nss-3.15.3-6.0.1.AXS4, nss-util-3.15.3-1.AXS4 (AXSA:2014-054:01)

The remote MiracleLinux 4 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2014-054:01 advisory. nss: Network Security Services NSS is a set of libraries designed to support cross-platform development of security-enabled client and server...