Golang Crypto vulnerabilities

CVE-2025-47914 [MEDIUM] CWE-125 CVE-2025-47914: SSH Agent servers do not validate the size of messages when processing new identity requests, which SSH Agent servers do not validate the size of messages when processing new identity requests, which may cause the program to panic if the message is malformed due to an out of bounds read.

CVE-2025-58181 [MEDIUM] CWE-770 CVE-2025-58181: SSH servers parsing GSSAPI authentication requests do not validate the number of mechanisms specifie SSH servers parsing GSSAPI authentication requests do not validate the number of mechanisms specified in the request, allowing an attacker to cause unbounded memory consumption.

CVE-2023-48795 [MEDIUM] CWE-354 CVE-2023-48795: The SSH transport protocol with certain OpenSSH extensions, found in OpenSSH before 9.6 and other pr The SSH transport protocol with certain OpenSSH extensions, found in OpenSSH before 9.6 and other products, allows remote attackers to bypass integrity checks such that some packets are omitted (from the extension negotiation message), and a client and server may consequently end up with a connection for which some security features have been downgr

CVE-2019-11841 [MEDIUM] CWE-347 CVE-2019-11841: A message-forgery issue was discovered in crypto/openpgp/clearsign/clearsign.go in supplementary Go A message-forgery issue was discovered in crypto/openpgp/clearsign/clearsign.go in supplementary Go cryptography libraries 2019-03-25. According to the OpenPGP Message Format specification in RFC 4880 chapter 7, a cleartext signed message can contain one or more optional "Hash" Armor Headers. The "Hash" Armor Header specifies the message digest algor

CVE-2019-11840 [MEDIUM] CWE-330 CVE-2019-11840: An issue was discovered in the supplementary Go cryptography library, golang.org/x/crypto, before v0 An issue was discovered in the supplementary Go cryptography library, golang.org/x/crypto, before v0.0.0-20190320223903-b7391e95e576. A flaw was found in the amd64 implementation of the golang.org/x/crypto/salsa20 and golang.org/x/crypto/salsa20/salsa packages. If more than 256 GiB of keystream is generated, or if the counter otherwise grows greater

CVE-2017-3204 [HIGH] CWE-310 CVE-2017-3204: The Go SSH library (x/crypto/ssh) by default does not verify host keys, facilitating man-in-the-midd The Go SSH library (x/crypto/ssh) by default does not verify host keys, facilitating man-in-the-middle attacks. Default behavior changed in commit e4e2799 to require explicitly registering a hostkey verification mechanism.