SUSE · Security update for putty
Affects SUSESource GCVE Database
Mentioned vulnerabilities
Not known to be exploited.
Data as of 10 Nov 2026, 20:17 UTC
Rated by Threat Radar · CVSS not yet scored by NVD
Exploitation evidence
Disclosed: evidence found.
CVE published 19 Oct 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 10 Nov 2026.
What to do
AI-suggested
A security update to PuTTY release 0.85 is available that fixes all described vulnerabilities. Users should apply this update promptly to mitigate these issues. No additional mitigations or workarounds are indicated in the advisory.
Description
This security update for PuTTY addresses multiple vulnerabilities including remotely triggerable use-after-free and buffer overflow issues, denial-of-service conditions, and authentication spoofing. The fixes cover the Pageant component, OpenSSH encrypt-then-MAC cipher modes, private key decryption, RSA key exchange error handling, ECDSA signature verification, and TELNET session data trust marking. These vulnerabilities could lead to crashes, memory exhaustion, or spoofed password prompts.
References
- suse.com/support/security/rating/ (opens in a new tab)
- ftp.suse.com/pub/projects/security/csaf/2026/opensuse-su-2026_22127-1.json (opens in a new tab)
- bugzilla.suse.com/1266373 (opens in a new tab)
- bugzilla.suse.com/1266374 (opens in a new tab)
- bugzilla.suse.com/1266375 (opens in a new tab)
- suse.com/security/cve/CVE-2026-48850/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-48851/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-48852/ (opens in a new tab)