PT-2026-27056

Name of the Vulnerable Software and Affected Versions jsrsasign versions prior to 11.1.1 Description Improper verification of cryptographic signatures occurs due to flawed DSA domain-parameter validation in the KJUR.crypto.DSA.setPublic function and the associated DSA/X509 verification flow in...

PT-2026-27105

Name of the Vulnerable Software and Affected Versions esaml and its forks affected versions not specified Description The software contains a flaw related to XML External Entity XXE processing. An attacker can potentially read local files and include their contents within processed SAML documents...

PT-2026-27058

Name of the Vulnerable Software and Affected Versions jsrsasign versions prior to 11.1.1 Description Incorrect Conversion between Numeric Types occurs due to the handling of negative exponents in the file ext/jsbn2.js. An attacker can force the computation of incorrect modular inverses and break...

jsrsasign 安全漏洞

jsrsasign is a signature verification library developed by Kenji Urushima. Versions of jsrsasign prior to 11.1.1 contained security vulnerabilities. These vulnerabilities stemmed from numerical type conversion errors during the handling of negative exponents in the ext/jsbn2.js file, which could...

jsrsasign 安全漏洞

jsrsasign is a signature verification library developed by Kenji Urushima. Versions of jsrsasign prior to 11.1.1 contained security vulnerabilities. These vulnerabilities stemmed from the lack of encryption steps in the DSA signature implementation, which could lead to the exposure of private key...

CVE-2026-4115

A vulnerability was detected in PuTTY 0.83. Affected is the function eddsaverify of the file crypto/ecc-ssh.c of the component Ed25519 Signature Handler. The manipulation results in improper verification of cryptographic signature. The attack may be performed from remote. The attack requires a hi...

CVE-2026-4115

A vulnerability was detected in PuTTY 0.83. Affected is the function eddsaverify of the file crypto/ecc-ssh.c of the component Ed25519 Signature Handler. The manipulation results in improper verification of cryptographic signature. The attack may be performed from remote. The attack requires a hi...

CVE-2026-4115 PuTTY Ed25519 Signature ecc-ssh.c eddsa_verify signature verification

A vulnerability was detected in PuTTY 0.83. Affected is the function eddsaverify of the file crypto/ecc-ssh.c of the component Ed25519 Signature Handler. The manipulation results in improper verification of cryptographic signature. The attack may be performed from remote. The attack requires a hi...

CVE-2026-4115 PuTTY Ed25519 Signature ecc-ssh.c eddsa_verify signature verification

A vulnerability was detected in PuTTY 0.83. Affected is the function eddsaverify of the file crypto/ecc-ssh.c of the component Ed25519 Signature Handler. The manipulation results in improper verification of cryptographic signature. The attack may be performed from remote. The attack requires a hi...

EUVD-2026-14291

A flaw has been found in janmojzis tinyssh up to 20250501. Impacted is an unknown function of the file tinyssh/cryptosigned25519tinyssh.c of the component Ed25519 Signature Handler. This manipulation causes improper verification of cryptographic signature. The attack is restricted to local...

CVE-2026-4541

A flaw has been found in janmojzis tinyssh up to 20250501. Impacted is an unknown function of the file tinyssh/cryptosigned25519tinyssh.c of the component Ed25519 Signature Handler. This manipulation causes improper verification of cryptographic signature. The attack is restricted to local...

CVE-2026-4541

A flaw has been found in janmojzis tinyssh up to 20250501. Impacted is an unknown function of the file tinyssh/cryptosigned25519tinyssh.c of the component Ed25519 Signature Handler. This manipulation causes improper verification of cryptographic signature. The attack is restricted to local...

CVE-2026-4541 janmojzis tinyssh Ed25519 Signature crypto_sign_ed25519_tinyssh.c signature verification

A flaw has been found in janmojzis tinyssh up to 20250501. Impacted is an unknown function of the file tinyssh/cryptosigned25519tinyssh.c of the component Ed25519 Signature Handler. This manipulation causes improper verification of cryptographic signature. The attack is restricted to local...

CVE-2026-4541

The CVE-2026-4541 entry concerns janmojzis tinyssh (up to 20250501) with a flaw in the Ed25519 Signature Handler—specifically in tinyssh/crypto_sign_ed25519_tinyssh.c. The issue is described as improper verification of a cryptographic signature in a local-execution scenario, with high attack comp...

CVE-2026-4541 janmojzis tinyssh Ed25519 Signature crypto_sign_ed25519_tinyssh.c signature verification

A flaw has been found in janmojzis tinyssh up to 20250501. Impacted is an unknown function of the file tinyssh/cryptosigned25519tinyssh.c of the component Ed25519 Signature Handler. This manipulation causes improper verification of cryptographic signature. The attack is restricted to local...

CVE-2026-4541

A flaw has been found in janmojzis tinyssh up to 20250501. Impacted is an unknown function of the file tinyssh/cryptosigned25519tinyssh.c of the component Ed25519 Signature Handler. This manipulation causes improper verification of cryptographic signature. The attack is restricted to local...

tinyssh 数据伪造问题漏洞

Tinyssh is a lightweight SSH server developed by Jan Mojžíš as an individual project. Versions of Tinyssh prior to 20250501 contained a data manipulation vulnerability. This vulnerability stemmed from an unknown feature in the Ed25519 signature processing component, specifically the file...

EUVD-2026-14017

Issue summary: A type confusion vulnerability exists in the signature verification of signed PKCS7 data where an ASN1TYPE union member is accessed without first validating the type, causing an invalid or NULL pointer dereference when processing malformed PKCS7 data. Impact summary: An application...

CVE-2026-33243

Removed by vendor...

CVE-2026-33243 barebox: FIT Signature Verification Bypass Vulnerability

barebox is a bootloader. In barebox from version 2016.03.0 to before version 2026.03.1 and the corresponding backport to 2025.09.3, an attacker could exploit a FIT signature verification vulnerability to trick the bootloader into booting different images than those that were verified as part of a...