PuTTY 安全漏洞

PuTTY is a suite of free Telnet, Rlogin and SSH client software from the individual developer Simon Tatham. The software is primarily used for remote administration of Linux systems. A security vulnerability exists in PuTTY versions prior to 0.84 that stems from using a copy of the PuTTY icon as ...

PuTTY 安全漏洞

PuTTY is a suite of free Telnet, Rlogin and SSH client software from the individual developer Simon Tatham. The software is primarily used for remote administration of Linux systems. A security vulnerability exists in PuTTY versions prior to 0.84, which stems from an assertion failure in ECDSA...

CVE-2026-48850: Double Free

PuTTY 0.72 before 0.84 has a double free in RSA KEX...

PuTTY 资源管理错误漏洞

PuTTY is a suite of free Telnet, Rlogin and SSH client software from the individual developer Simon Tatham. The software is primarily used for remote administration of Linux systems. A resource management error vulnerability exists in PuTTY versions prior to 0.84, which stems from a double releas...

CVE-2026-48851: User Interface (UI) Misrepresentation of Critical Information

PuTTY 0.77 before 0.84 uses a copy of the PuTTY icon as a trust indication for TELNET data but the trust status is not cleared between proxy authentication and the main session...

CVE-2026-48852: Reachable Assertion

PuTTY 0.71 before 0.84 has an assertion failure in ECDSA signature verification...

PT-2026-43123

Name of the Vulnerable Software and Affected Versions PuTTY versions 0.77 through 0.83 Description The software uses a copy of the PuTTY icon to indicate trust for TELNET data. However, the trust status is not cleared between the proxy authentication phase and the main session, which may lead to...

PT-2026-43122

Name of the Vulnerable Software and Affected Versions PuTTY versions 0.72 through 0.83 Description A double free issue exists in the RSA KEX Key Exchange, which is the process used by two parties to establish a shared secret key over an insecure channel. Recommendations Update to version 0.84...

PT-2026-43124

Name of the Vulnerable Software and Affected Versions PuTTY versions 0.71 through 0.83 Description An assertion failure occurs during the ECDSA Elliptic Curve Digital Signature Algorithm signature verification process...

Fake malware-signing service Fox Tempest dismantled by Microsoft

Microsoft says it dismantled a malware-signing-as-a-service MSaaS called Fox Tempest, which helped cybercriminals make malware appear legitimate. The service let customers submit malicious files to be digitally signed with short-lived Microsoft-issued certificates, making the malware look...

SUSE 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 flaw was found in PuTTY's Ed25519 Signature Handler component, specifically within the eddsaverify function. A remote attacker could potentially exploit this vulnerability due to improper verification of cryptographic signatures...

EUVD-2026-14301

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

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...

UBUNTU-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

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

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...