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🛡️ SUSE-SU-2026:22226-1 — mcphost (CVE-2026-25680 +19 more)

⚪ Unknown ✅ No Known Exploit OSV
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Security update for mcphost

This update for mcphost fixes the following issues

  • CVE-2026-25680,CVE-2026-25681,CVE-2026-27136,CVE-2026-42502,CVE-2026-42506: golang.org/x/net/html: multiple issues

when parsing HTML files (bsc#1267109).

  • CVE-2026-33814: golang.org/x/net/http2: infinite loop in HTTP/2 transport when given bad SETTINGS_MAX_FRAME_SIZE

(bsc#1265730).

  • CVE-2026-39821: golang.org/x/net/idna: failure to reject ASCII-only Punycode-encoded labels allows for validation

bypass and privilege escalation (bsc#1266572).

  • CVE-2026-39827: Invoking memory leak when rejecting channels can lead to DoS in golang.org/x/crypto/ssh (bsc#1266145).
  • CVE-2026-39828: Invoking bypass of certificate restrictions in golang.org/x/crypto/ssh (bsc#1266145).
  • CVE-2026-39829: Invoking pathological RSA/DSA parameters may cause DoS in golang.org/x/crypto/ssh (bsc#1266145).
  • CVE-2026-39830: Invoking client can cause server deadlock on unexpected responses in golang.org/x/crypto/ssh

(bsc#1266145).

  • CVE-2026-39831: Invoking bypass of FIDO/U2F security keys physical interaction in golang.org/x/crypto/ssh

(bsc#1266145).

  • CVE-2026-39832: Invoking agent constraints dropped when forwarding keys in golang.org/x/crypto/ssh/agent

(bsc#1266145).

  • CVE-2026-39833: Invoking key constraints not enforced in golang.org/x/crypto/ssh/agent (bsc#1266145).
  • CVE-2026-39834: Invoking infinite loop on large channel writes in golang.org/x/crypto/ssh (bsc#1266145).
  • CVE-2026-39835: Invoking server panic during CheckHostKey/Authenticate in golang.org/x/crypto/ssh (bsc#1266145).
  • CVE-2026-42508: Invoking auth bypass via unenforced @revoked status in golang.org/x/crypto/ssh/knownhosts

(bsc#1266145).

  • CVE-2026-46595: Invoking VerifiedPublicKeyCallback permissions skip enforcement in golang.org/x/crypto/ssh

(bsc#1266145).

  • CVE-2026-46597: Invoking byte arithmetic causes underflow and panic in golang.org/x/crypto/ssh (bsc#1266145).
  • CVE-2026-46598: Invoking pathological inputs can lead to client panic in golang.org/x/crypto/ssh/agent (bsc#1266145).

Affected software

SUSE-SU-2026:22226-1 is recorded against 1 package.

  • mcphost (fixed in 0.34.0-160000.2.1)

Timeline and source

Published on 20 June 2026 and last revised on 24 June 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

www.suse.com (Advisory)
bugzilla.suse.com (Report)
bugzilla.suse.com (Report)
bugzilla.suse.com (Report)
bugzilla.suse.com (Report)
www.suse.com (Web)
www.suse.com (Web)
www.suse.com (Web)
www.suse.com (Web)
www.suse.com (Web)
www.suse.com (Web)
www.suse.com (Web)
www.suse.com (Web)
www.suse.com (Web)
www.suse.com (Web)

Details

Severity Unknown
CVSS Score N/A
CVSS Vector N/A
CWE N/A
Public Exploit ✅ No
Source OSV
Published 2026-06-20
Updated 2026-08-20
Modified 2026-06-24
Fix URL N/A

Affected Packages

Software From version Fixed in
mcphost — 0.34.0-160000.2.1

References

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