jsrsasign: DSA signatures or X.509 certificates can be forged via DSA domain-parameter validation in KJUR.crypto.DSA.setPublic

Versions of the package jsrsasign before 11.1.1 are vulnerable to Improper Verification of Cryptographic Signature via the DSA domain-parameter validation in KJUR.crypto.DSA.setPublic and the related DSA/X509 verification flow in src/dsa-2.0.js. An attacker can forge DSA signatures or X.509...

CVE-2026-4602

Versions of the package jsrsasign before 11.1.1 are vulnerable to Incorrect Conversion between Numeric Types due to handling negative exponents in ext/jsbn2.js. An attacker can force the computation of incorrect modular inverses and break signature verification by calling modPow with a negative...

CVE-2026-4602

Versions of the package jsrsasign before 11.1.1 are vulnerable to Incorrect Conversion between Numeric Types due to handling negative exponents in ext/jsbn2.js. An attacker can force the computation of incorrect modular inverses and break signature verification by calling modPow with a negative...

CVE-2026-4602

CVE-2026-4602 affects the npm package jsrsasign prior to 11.1.1. The root cause is incorrect conversion between numeric types due to handling negative exponents in ext/jsbn2.js, which can cause modPow with a negative exponent and lead to incorrect modular inverses and broken signature verificatio...

CVE-2026-4602

Versions of the package jsrsasign before 11.1.1 are vulnerable to Incorrect Conversion between Numeric Types due to handling negative exponents in ext/jsbn2.js. An attacker can force the computation of incorrect modular inverses and break signature verification by calling modPow with a negative...

CVE-2026-4602

Versions of the package jsrsasign before 11.1.1 are vulnerable to Incorrect Conversion between Numeric Types due to handling negative exponents in ext/jsbn2.js. An attacker can force the computation of incorrect modular inverses and break signature verification by calling modPow with a negative...

CVE-2026-4602

Versions of the package jsrsasign before 11.1.1 are vulnerable to Incorrect Conversion between Numeric Types due to handling negative exponents in ext/jsbn2.js. An attacker can force the computation of incorrect modular inverses and break signature verification by calling modPow with a negative...

CVE-2026-4600

Versions of the package jsrsasign before 11.1.1 are vulnerable to Improper Verification of Cryptographic Signature via the DSA domain-parameter validation in KJUR.crypto.DSA.setPublic and the related DSA/X509 verification flow in src/dsa-2.0.js. An attacker can forge DSA signatures or X.509...

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...

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...

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...