Invoking auth bypass via unenforced @revoked status in golang.org/x/crypto/ssh/knownhosts

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CVE-2026-42508 Invoking auth bypass via unenforced @revoked status in golang.org/x/crypto/ssh/knownhosts

Previously, a revoked 'SignatureKey' belonging to a CA was not correctly checked for revocation. Now, both the 'key' and 'key.SignatureKey' are checked for @revoked...

CVE-2026-42508 Invoking auth bypass via unenforced @revoked status in golang.org/x/crypto/ssh/knownhosts

Previously, a revoked 'SignatureKey' belonging to a CA was not correctly checked for revocation. Now, both the 'key' and 'key.SignatureKey' are checked for @revoked...

CVE-2026-42508

CVE-2026-42508 concerns revocation checks for a CA SignatureKey. The fix adds revocation checks for both the CA 'key' and 'key.SignatureKey' (prevents bypass). The CVE is rated CRITICAL (CVSS 3.1: 9.1, Network, no user interaction). Exploitation details are not provided in the documents; mitigati...

GO-2026-5021 Invoking auth bypass via unenforced @revoked status in golang.org/x/crypto/ssh/knownhosts

Previously, a revoked 'SignatureKey' belonging to a CA was not correctly checked for revocation. Now, both the 'key' and 'key.SignatureKey' are checked for @revoked...

Improper Check for Certificate Revocation

Overview Affected versions of this package are vulnerable to Improper Check for Certificate Revocation in the SignatureKey verification process. An attacker can bypass revocation enforcement by presenting a certificate with a revoked SignatureKey, potentially allowing unauthorized access or trust...

Improper Check for Certificate Revocation

Overview Affected versions of this package are vulnerable to Improper Check for Certificate Revocation in the SignatureKey verification process. An attacker can bypass revocation enforcement by presenting a certificate with a revoked SignatureKey, potentially allowing unauthorized access or trust...

curl: Bypassing Strict SSH Server Verification via Connection Pool Reuse in libcurl

Summary There is a logic flaw in how libcurl manages its connection pool for SSH protocols SFTP/SCP. When evaluating an existing connection for reuse, sshconfigmatches in lib/url.c fails to compare server identity verification policies. By ignoring CURLOPTSSHKNOWNHOSTS, CURLOPTSSHHOSTPUBLICKEYMD5...

CLSA-2026-1773316090 Fix CVE(s): CVE-2025-14524, CVE-2025-15079

SECURITY UPDATE: OAuth2 bearer token leak on cross-protocol redirect - debian/patches/CVE-2025-14524.patch: do not use bearer when following redirect unless allowauthtootherhosts is set - CVE-2025-14524 SECURITY UPDATE: libssh global knownhosts override - debian/patches/CVE-2025-15079.patch: set...

CLSA-2026-1773134717 curl: Fix of 2 CVEs

CVE-2025-14524: prevent bearer token leak on cross-protocol redirect - CVE-2025-15079: set both SSH knownhosts options to the same file to prevent libssh global knownhosts override...

Medium: curl

Issue Overview: No QUIC certificate pinning with GnuTLS NOTE: https://curl.se/docs/CVE-2025-13034.html NOTE: Introduced with: https://github.com/curl/curl/commit/3210101088dfa3d6a125d213226b092f2f866722 curl-880 NOTE: Fixed by:...

MGASA-2026-0003 Updated curl packages fix security vulnerabilities

curl is susceptible to a number of low severity security vulnerabilities: CVE-2025-14524: bearer token leak on cross-protocol redirect CVE-2025-14819: OpenSSL partial chain store policy bypass CVE-2025-15079: libssh knownhosts file vulnerability CVE-2025-15224: libssh key passphrase bypass...

Updated curl packages fix security vulnerabilities

curl is susceptible to a number of low severity security vulnerabilities: CVE-2025-14524: bearer token leak on cross-protocol redirect CVE-2025-14819: OpenSSL partial chain store policy bypass CVE-2025-15079: libssh knownhosts file vulnerability CVE-2025-15224: libssh key passphrase bypass...

openSUSE 15 Security Update : curl (SUSE-SU-2026:0050-1)

The remote openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:0050-1 advisory. - CVE-2025-14524: bearer token leak on cross-protocol redirect bsc1255731. - CVE-2025-14819: libssh global knownhost override bsc1255732. -...

CVE-2025-15079

When doing SSH-based transfers using either SCP or SFTP, and setting the knownhosts file, libcurl could still mistakenly accept connecting to hosts not present in the specified file if they were added as recognized in the libssh global knownhosts file...