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Vulnerabilities

Vulnerability · CVE-2025-47914

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 boun

Published Nov 19, 2025 · catalog updated Nov 20, 2025 · SSH Agent servers do

Last checked Nov 1, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-47914. EPSS is 0.55%. Act only if a listed version of SSH Agent servers do is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (SSH Agent servers do).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Medium5.3
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.55%
Remediation
Version ranges on file
Affected products
vendor golang.org/x/crypto golang.org/x/crypto/ssh/agent 0 <0.45.0

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor golang.org/x/crypto golang.org/x/crypto/ssh/agent 0 <0.45.00 <0.45.0

How to fix CVE-2025-47914

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-47914. EPSS is 0.55%. Act only if a listed version of SSH Agent servers do is installed.

Which versions are affected?

Compare what you have installed with golang.org/x/crypto golang.org/x/crypto/ssh/agent 0 <0.45.0 0 <0.45.0. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.55%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Nov 19, 2025 · EUVD

    Detected

    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.

  2. Nov 20, 2025 · EUVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2025-47914

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-47914

    30-day exploitation probability 0.55%

    first.org
  • EUVDVulnerability recordEUVD-2025-198227

    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.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 1, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 1, 2026
  • CVE.orgOct 28, 2026
  • EUVDOct 28, 2026