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TI-2011-03973 Aliases CVE-2011-4607GHSA-h9rc-mm9p-hjjg

PuTTY 0.59 through 0.61 does not clear sensitive process memory when managing user…

Priority LOW 11CWE-119Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
Partial · None · None
Fix status
No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA.

Summary

PuTTY 0.59 through 0.61 does not clear sensitive process memory when managing user replies that occur during keyboard-interactive authentication, which might allow local users to read login passwords by obtaining access to the process' memory.

Why it matters now

EPSS 0.00408 35th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:putty:putty:0.59:*:*:*:*:*:*:*0.59VulnerablePuTTY
cpe:2.3:a:putty:putty:0.60:*:*:*:*:*:*:*0.60VulnerablePuTTY
cpe:2.3:a:putty:putty:0.61:*:*:*:*:*:*:*0.61VulnerablePuTTY
  • cpe:2.3:a:putty:putty:0.59:*:*:*:*:*:*:* Versions 0.59 Vulnerable ·PuTTY
  • cpe:2.3:a:putty:putty:0.60:*:*:*:*:*:*:* Versions 0.60 Vulnerable ·PuTTY
  • cpe:2.3:a:putty:putty:0.61:*:*:*:*:*:*:* Versions 0.61 Vulnerable ·PuTTY

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2011-4607
  2. 2026-10-03 Alias added: GHSA-h9rc-mm9p-hjjg

References

Advisory 1

Other 2

  • TI-2002-01283 Multiple SSH2 servers and clients do not properly handle large packets or large fields… CVSS 2.0HIGH 10.0
  • TI-2023-26623 The SSH transport protocol with certain OpenSSH extensions, found in OpenSSH before 9.6… CVSS 3.1MEDIUM 5.9
  • TI-2017-04321 The ssh_agent_channel_data function in PuTTY before 0.68 allows remote attackers to have… CVSS 3.0CRITICAL 9.8
  • TI-2026-03565 PuTTY Ed25519 Signature ecc-ssh.c eddsa_verify signature verification CVSS 4.0MEDIUM 6.3
  • TI-2002-01281 Multiple SSH2 servers and clients do not properly handle packets or data elements with… CVSS 2.0HIGH 10.0
  • TI-2004-00914 Integer signedness error in the ssh2_rdpkt function in PuTTY before 0.56 allows remote… CVSS 2.0HIGH 10.0
See all 35 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences