CVE catalog

CVE-2013-4208

filezilla: CVE-2013-4208

Severity: Medium
Published: Jul 15, 2013, 12:00:00 AM UTC
Source: [NVD] · [CVE record]
EPSS: 0.39% · Oct 25, 2026

The rsa_verify function in PuTTY before 0.63 (1) does not clear sensitive process memory after use and (2) does not free certain structures containing sensitive process memory, which might allow local users to discover private RSA and DSA keys.

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`	fixed
Debian	putty	forky	`0.85-3`	fixed
Debian	putty	trixie	`0.83-3`	fixed
Debian	putty	bookworm	`0.78-2+deb12u2`	fixed
Debian	putty	bookworm-security	`0.78-2+deb12u1`	fixed
Debian	filezilla	sid	`3.71.0-1`	fixed
Debian	filezilla	forky	`3.71.0-1`	fixed
Debian	filezilla	trixie	`3.68.1-1`	fixed
Debian	filezilla	bookworm	`3.63.0-1+deb12u3`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	putty	source	sid	`0.63-1`	not yet assigned	Not reported	Not reported
Debian	putty	source	forky	`0.63-1`	not yet assigned	Not reported	Not reported
Debian	putty	source	trixie	`0.63-1`	not yet assigned	Not reported	Not reported
Debian	putty	source	bookworm	`0.63-1`	not yet assigned	Not reported	Not reported
Debian	filezilla	source	sid	`3.7.3-1`	low	Not reported	[719070]
Debian	filezilla	source	forky	`3.7.3-1`	low	Not reported	[719070]
Debian	filezilla	source	trixie	`3.7.3-1`	low	Not reported	[719070]
Debian	filezilla	source	bookworm	`3.7.3-1`	low	Not reported	[719070]

[Debian bug #719070]

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[filezilla]Fixed
Details (2)
- 3.63.0-1+deb12u3 · amd64 · bookworm
  Fixed · Fixed: 3.7.3-1
  dsa · filezilla · debian · bookworm; dsa · filezilla · debian · 12
- 3.63.0-1+deb12u3 · arm64 · bookworm
  Fixed · Fixed: 3.7.3-1
  dsa · filezilla · debian · bookworm; dsa · filezilla · debian · 12
[filezilla-common]Fixed
Source package: [filezilla]
Details (2)
- 3.63.0-1+deb12u3 · all · bookworm
  Fixed · Fixed: 3.7.3-1
  dsa · filezilla · debian · bookworm; dsa · filezilla · debian · 12
- 3.63.0-1+deb12u3 · all · bookworm
  Fixed · Fixed: 3.7.3-1
  dsa · filezilla · debian · bookworm; dsa · filezilla · debian · 12
[pterm]Fixed
Source package: [putty]
Details (4)
- 0.78-2+deb12u2 · amd64 · bookworm
  Fixed · Fixed: 0.63-1
  dsa · putty · debian · bookworm; dsa · putty · debian · 12
- 0.78-2+deb12u2 · arm64 · bookworm
  Fixed · Fixed: 0.63-1
  dsa · putty · debian · bookworm; dsa · putty · debian · 12
- 0.78-2+deb12u1 · amd64 · bookworm-security
  Fixed · Fixed: 0.63-1
  dsa · putty · debian · bookworm; dsa · putty · debian · 12
- 0.78-2+deb12u1 · arm64 · bookworm-security
  Fixed · Fixed: 0.63-1
  dsa · putty · debian · bookworm; dsa · putty · debian · 12
[putty]Fixed
Details (4)
- 0.78-2+deb12u2 · amd64 · bookworm
  Fixed · Fixed: 0.63-1
  dsa · putty · debian · bookworm; dsa · putty · debian · 12
- 0.78-2+deb12u2 · arm64 · bookworm
  Fixed · Fixed: 0.63-1
  dsa · putty · debian · bookworm; dsa · putty · debian · 12
- 0.78-2+deb12u1 · amd64 · bookworm-security
  Fixed · Fixed: 0.63-1
  dsa · putty · debian · bookworm; dsa · putty · debian · 12
- 0.78-2+deb12u1 · arm64 · bookworm-security
  Fixed · Fixed: 0.63-1
  dsa · putty · debian · bookworm; dsa · putty · debian · 12
[putty-doc]Fixed
Source package: [putty]
Details (4)
- 0.78-2+deb12u2 · all · bookworm
  Fixed · Fixed: 0.63-1
  dsa · putty · debian · bookworm; dsa · putty · debian · 12
- 0.78-2+deb12u2 · all · bookworm
  Fixed · Fixed: 0.63-1
  dsa · putty · debian · bookworm; dsa · putty · debian · 12
- 0.78-2+deb12u1 · all · bookworm-security
  Fixed · Fixed: 0.63-1
  dsa · putty · debian · bookworm; dsa · putty · debian · 12
- 0.78-2+deb12u1 · all · bookworm-security
  Fixed · Fixed: 0.63-1
  dsa · putty · debian · bookworm; dsa · putty · debian · 12
[putty-tools]Fixed
Source package: [putty]
Details (4)
- 0.78-2+deb12u2 · amd64 · bookworm
  Fixed · Fixed: 0.63-1
  dsa · putty · debian · bookworm; dsa · putty · debian · 12
- 0.78-2+deb12u2 · arm64 · bookworm
  Fixed · Fixed: 0.63-1
  dsa · putty · debian · bookworm; dsa · putty · debian · 12
- 0.78-2+deb12u1 · amd64 · bookworm-security
  Fixed · Fixed: 0.63-1
  dsa · putty · debian · bookworm; dsa · putty · debian · 12
- 0.78-2+deb12u1 · arm64 · bookworm-security
  Fixed · Fixed: 0.63-1
  dsa · putty · debian · bookworm; dsa · putty · debian · 12

[Debian 13 (Trixie)]

[filezilla]Fixed
Details (2)
- 3.68.1-1 · amd64 · trixie
  Fixed · Fixed: 3.7.3-1
  dsa · filezilla · debian · 13
- 3.68.1-1 · arm64 · trixie
  Fixed · Fixed: 3.7.3-1
  dsa · filezilla · debian · 13
[filezilla-common]Fixed
Source package: [filezilla]
Details (2)
- 3.68.1-1 · all · trixie
  Fixed · Fixed: 3.7.3-1
  dsa · filezilla · debian · 13
- 3.68.1-1 · all · trixie
  Fixed · Fixed: 3.7.3-1
  dsa · filezilla · debian · 13
[pterm]Fixed
Source package: [putty]
Details (2)
- 0.83-3 · amd64 · trixie
  Fixed · Fixed: 0.63-1
  dsa · putty · debian · 13
- 0.83-3 · arm64 · trixie
  Fixed · Fixed: 0.63-1
  dsa · putty · debian · 13
[putty]Fixed
Details (2)
- 0.83-3 · amd64 · trixie
  Fixed · Fixed: 0.63-1
  dsa · putty · debian · 13
- 0.83-3 · arm64 · trixie
  Fixed · Fixed: 0.63-1
  dsa · putty · debian · 13
[putty-doc]Fixed
Source package: [putty]
Details (2)
- 0.83-3 · all · trixie
  Fixed · Fixed: 0.63-1
  dsa · putty · debian · 13
- 0.83-3 · all · trixie
  Fixed · Fixed: 0.63-1
  dsa · putty · debian · 13
[putty-tools]Fixed
Source package: [putty]
Details (2)
- 0.83-3 · amd64 · trixie
  Fixed · Fixed: 0.63-1
  dsa · putty · debian · 13
- 0.83-3 · arm64 · trixie
  Fixed · Fixed: 0.63-1
  dsa · putty · debian · 13

Observed: Oct 23, 2026, 5:08:29 PM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]