CVE catalog

CVE-2019-9896

putty: CVE-2019-9896

Severity: High · CVSS 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published: Apr 2, 2019, 11:03:54 AM UTC
Source: [NVD] · [CVE record]
EPSS: 0.76% · Oct 25, 2026

In PuTTY versions before 0.71 on Windows, local attackers could hijack the application by putting a malicious help file in the same directory as the executable.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	putty	sid	`0.85-3`	not affected
Debian	putty	forky	`0.85-3`	not affected
Debian	putty	trixie	`0.83-3`	not affected
Debian	putty	bookworm	`0.78-2+deb12u2`	not affected
Debian	putty	bookworm-security	`0.78-2+deb12u1`	not affected

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	putty	source	sid	`Not affected`	unimportant	Not reported	Not reported
Debian	putty	source	forky	`Not affected`	unimportant	Not reported	Not reported
Debian	putty	source	trixie	`Not affected`	unimportant	Not reported	Not reported
Debian	putty	source	bookworm	`Not affected`	unimportant	Not reported	Not reported

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[pterm]Not affected
Source package: [putty]
Details (4)
- 0.78-2+deb12u2 · amd64 · bookworm
  Not affected
  dsa · putty · debian · bookworm
- 0.78-2+deb12u2 · arm64 · bookworm
  Not affected
  dsa · putty · debian · bookworm
- 0.78-2+deb12u1 · amd64 · bookworm-security
  Not affected
  dsa · putty · debian · bookworm
- 0.78-2+deb12u1 · arm64 · bookworm-security
  Not affected
  dsa · putty · debian · bookworm
[putty]Not affected
Details (4)
- 0.78-2+deb12u2 · amd64 · bookworm
  Not affected
  dsa · putty · debian · bookworm
- 0.78-2+deb12u2 · arm64 · bookworm
  Not affected
  dsa · putty · debian · bookworm
- 0.78-2+deb12u1 · amd64 · bookworm-security
  Not affected
  dsa · putty · debian · bookworm
- 0.78-2+deb12u1 · arm64 · bookworm-security
  Not affected
  dsa · putty · debian · bookworm
[putty-doc]Not affected
Source package: [putty]
Details (4)
- 0.78-2+deb12u2 · all · bookworm
  Not affected
  dsa · putty · debian · bookworm
- 0.78-2+deb12u2 · all · bookworm
  Not affected
  dsa · putty · debian · bookworm
- 0.78-2+deb12u1 · all · bookworm-security
  Not affected
  dsa · putty · debian · bookworm
- 0.78-2+deb12u1 · all · bookworm-security
  Not affected
  dsa · putty · debian · bookworm
[putty-tools]Not affected
Source package: [putty]
Details (4)
- 0.78-2+deb12u2 · amd64 · bookworm
  Not affected
  dsa · putty · debian · bookworm
- 0.78-2+deb12u2 · arm64 · bookworm
  Not affected
  dsa · putty · debian · bookworm
- 0.78-2+deb12u1 · amd64 · bookworm-security
  Not affected
  dsa · putty · debian · bookworm
- 0.78-2+deb12u1 · arm64 · bookworm-security
  Not affected
  dsa · putty · debian · bookworm

Observed: Oct 23, 2026, 5:45:46 PM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [SUSE security advisories and VEX]