openSUSE-SU-2026:21120-1

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Import Source
https://ftp.suse.com/pub/projects/security/osv/openSUSE-SU-2026:21120-1.json
JSON Data
https://api.test.osv.dev/v1/vulns/openSUSE-SU-2026:21120-1
Upstream
CVE (20)
Related
CVE (20)
Published
2026-06-20T06:52:26Z
Modified
2026-06-30T18:24:52Z
Summary
Security update for mcphost
Details

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).
References

Affected packages

openSUSE:Leap 16.0 / mcphost

Package

Name
mcphost
Purl
pkg:rpm/opensuse/mcphost&distro=openSUSE%20Leap%2016.0

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
0.34.0-160000.2.1

Ecosystem specific 

{
    "binaries": [
        {
            "mcphost": "0.34.0-160000.2.1",
            "mcphost-bash-completion": "0.34.0-160000.2.1",
            "mcphost-fish-completion": "0.34.0-160000.2.1",
            "mcphost-zsh-completion": "0.34.0-160000.2.1"
        }
    ]
}

Database specific

source 
"https://ftp.suse.com/pub/projects/security/osv/openSUSE-SU-2026:21120-1.json"