SUSE-SU-2026:4270-1

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Source
https://www.suse.com/support/update/announcement/2026/suse-su-20264270-1/
Import Source
https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:4270-1.json
JSON Data
https://api.test.osv.dev/v1/vulns/SUSE-SU-2026:4270-1
Upstream
CVE (8)
Related
CVE (8)
Published
2026-09-21T07:29:56Z
Modified
2026-09-21T17:15:11Z
Summary
Security update for google-guest-agent
Details

This update for google-guest-agent fixes the following issues:

  • CVE-2026-33186: google.golang.org/grpc: authorization bypass due to improper validation of the HTTP/2 :path pseudo- header (bsc#1260264).
  • CVE-2026-56852: golang.org/x/text/unicode/norm: infinite loop on truncated/invalid UTF-8 input (bsc#1272118).
  • CVE-2026-56854: golang.org/x/crypto/ssh: source-address critical option not enforced for non-public-key auth callbacks (bsc#1278597)
  • CVE-2026-56855: golang.org/x/crypto/ssh: prevent DoS on deadlocked established channel (bsc#1278597)
  • CVE-2026-78662: golang.org/x/crypto/ssh: prevent DoS on deadlocked undecided channel (bsc#1278597).
  • CVE-2026-84303: google.golang.org/grpc: xDS RBAC HTTP filter implementation issue allows for bypass of authorization policies via mixed-case or canonical-case header matches (bsc#1279297).
  • CVE-2026-84304: google.golang.org/grpc: heap memory exhaustion via HTTP/2 DATA frame fragmentation (bsc#1279414).
  • CVE-2026-84445: google.golang.org/grpc: DoS via crash due to missing ':authority' and 'Host' headers in gRPC-Go xDS servers (bsc#1278967).

Changes for google-guest-agent:

  • Updated to version 20260903.01
References

Affected packages

SUSE:Linux Enterprise Micro 5.5
google-guest-agent

Package

Name
google-guest-agent
Purl
pkg:rpm/suse/google-guest-agent&distro=SUSE%20Linux%20Enterprise%20Micro%205.5

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
20260903.01-150000.1.85.1

Ecosystem specific 

{
    "binaries":  [
        {
            "google-guest-agent":  "20260903.01-150000.1.85.1"
        }
    ]
}

Database specific

source 
"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:4270-1.json"
SUSE:Linux Enterprise Module for Public Cloud 15 SP4
google-guest-agent

Package

Name
google-guest-agent
Purl
pkg:rpm/suse/google-guest-agent&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP4

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
20260903.01-150000.1.85.1

Ecosystem specific 

{
    "binaries":  [
        {
            "google-guest-agent":  "20260903.01-150000.1.85.1"
        }
    ]
}

Database specific

source 
"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:4270-1.json"
SUSE:Linux Enterprise Module for Public Cloud 15 SP5
google-guest-agent

Package

Name
google-guest-agent
Purl
pkg:rpm/suse/google-guest-agent&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP5

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
20260903.01-150000.1.85.1

Ecosystem specific 

{
    "binaries":  [
        {
            "google-guest-agent":  "20260903.01-150000.1.85.1"
        }
    ]
}

Database specific

source 
"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:4270-1.json"
SUSE:Linux Enterprise Module for Public Cloud 15 SP6
google-guest-agent

Package

Name
google-guest-agent
Purl
pkg:rpm/suse/google-guest-agent&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP6

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
20260903.01-150000.1.85.1

Ecosystem specific 

{
    "binaries":  [
        {
            "google-guest-agent":  "20260903.01-150000.1.85.1"
        }
    ]
}

Database specific

source 
"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:4270-1.json"
SUSE:Linux Enterprise Module for Public Cloud 15 SP7
google-guest-agent

Package

Name
google-guest-agent
Purl
pkg:rpm/suse/google-guest-agent&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP7

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
20260903.01-150000.1.85.1

Ecosystem specific 

{
    "binaries":  [
        {
            "google-guest-agent":  "20260903.01-150000.1.85.1"
        }
    ]
}

Database specific

source 
"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:4270-1.json"