CVE catalog

CVE-2012-5662

ibm-3270: CVE-2012-5662

Severity: Medium
Published: Jan 1, 2012, 12:00:00 AM UTC
Source: [NVD] · [CVE record]
EPSS: 0.62% · Oct 27, 2026

x3270 before 3.3.12ga12 does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.

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	ibm-3270	sid	`4.3ga10-5`	fixed
Debian	ibm-3270	forky	`4.3ga10-5`	fixed
Debian	ibm-3270	trixie	`4.3ga10-5`	fixed
Debian	ibm-3270	bookworm	`4.1ga10-1.1`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	ibm-3270	source	sid	`3.3.14ga11-1`	not yet assigned	Not reported	[706547]
Debian	ibm-3270	source	forky	`3.3.14ga11-1`	not yet assigned	Not reported	[706547]
Debian	ibm-3270	source	trixie	`3.3.14ga11-1`	not yet assigned	Not reported	[706547]
Debian	ibm-3270	source	bookworm	`3.3.14ga11-1`	not yet assigned	Not reported	[706547]

[Debian bug #706547]

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[3270-common]Fixed
Source package: [ibm-3270]
Details (2)
- 4.1ga10-1.1+b1 · amd64 · bookworm
  Fixed · Fixed: 3.3.14ga11-1
  dsa · ibm-3270 · debian · bookworm; dsa · ibm-3270 · debian · 12
- 4.1ga10-1.1+b1 · arm64 · bookworm
  Fixed · Fixed: 3.3.14ga11-1
  dsa · ibm-3270 · debian · bookworm; dsa · ibm-3270 · debian · 12
[b3270]Fixed
Source package: [ibm-3270]
Details (2)
- 4.1ga10-1.1+b1 · amd64 · bookworm
  Fixed · Fixed: 3.3.14ga11-1
  dsa · ibm-3270 · debian · bookworm; dsa · ibm-3270 · debian · 12
- 4.1ga10-1.1+b1 · arm64 · bookworm
  Fixed · Fixed: 3.3.14ga11-1
  dsa · ibm-3270 · debian · bookworm; dsa · ibm-3270 · debian · 12
[c3270]Fixed
Source package: [ibm-3270]
Details (2)
- 4.1ga10-1.1+b1 · amd64 · bookworm
  Fixed · Fixed: 3.3.14ga11-1
  dsa · ibm-3270 · debian · bookworm; dsa · ibm-3270 · debian · 12
- 4.1ga10-1.1+b1 · arm64 · bookworm
  Fixed · Fixed: 3.3.14ga11-1
  dsa · ibm-3270 · debian · bookworm; dsa · ibm-3270 · debian · 12
[pr3287]Fixed
Source package: [ibm-3270]
Details (2)
- 4.1ga10-1.1+b1 · amd64 · bookworm
  Fixed · Fixed: 3.3.14ga11-1
  dsa · ibm-3270 · debian · bookworm; dsa · ibm-3270 · debian · 12
- 4.1ga10-1.1+b1 · arm64 · bookworm
  Fixed · Fixed: 3.3.14ga11-1
  dsa · ibm-3270 · debian · bookworm; dsa · ibm-3270 · debian · 12
[s3270]Fixed
Source package: [ibm-3270]
Details (2)
- 4.1ga10-1.1+b1 · amd64 · bookworm
  Fixed · Fixed: 3.3.14ga11-1
  dsa · ibm-3270 · debian · bookworm; dsa · ibm-3270 · debian · 12
- 4.1ga10-1.1+b1 · arm64 · bookworm
  Fixed · Fixed: 3.3.14ga11-1
  dsa · ibm-3270 · debian · bookworm; dsa · ibm-3270 · debian · 12
[tcl3270]Fixed
Source package: [ibm-3270]
Details (2)
- 4.1ga10-1.1+b1 · amd64 · bookworm
  Fixed · Fixed: 3.3.14ga11-1
  dsa · ibm-3270 · debian · bookworm; dsa · ibm-3270 · debian · 12
- 4.1ga10-1.1+b1 · arm64 · bookworm
  Fixed · Fixed: 3.3.14ga11-1
  dsa · ibm-3270 · debian · bookworm; dsa · ibm-3270 · debian · 12
[x3270]Fixed
Source package: [ibm-3270]
Details (2)
- 4.1ga10-1.1+b1 · amd64 · bookworm
  Fixed · Fixed: 3.3.14ga11-1
  dsa · ibm-3270 · debian · bookworm; dsa · ibm-3270 · debian · 12
- 4.1ga10-1.1+b1 · arm64 · bookworm
  Fixed · Fixed: 3.3.14ga11-1
  dsa · ibm-3270 · debian · bookworm; dsa · ibm-3270 · debian · 12
[xfonts-x3270-misc]Fixed
Source package: [ibm-3270]
Details (2)
- 4.1ga10-1.1 · all · bookworm
  Fixed · Fixed: 3.3.14ga11-1
  dsa · ibm-3270 · debian · bookworm; dsa · ibm-3270 · debian · 12
- 4.1ga10-1.1 · all · bookworm
  Fixed · Fixed: 3.3.14ga11-1
  dsa · ibm-3270 · debian · bookworm; dsa · ibm-3270 · debian · 12

[Debian 13 (Trixie)]

[3270-common]Fixed
Source package: [ibm-3270]
Details (2)
- 4.3ga10-5 · amd64 · trixie
  Fixed · Fixed: 3.3.14ga11-1
  dsa · ibm-3270 · debian · 13
- 4.3ga10-5 · arm64 · trixie
  Fixed · Fixed: 3.3.14ga11-1
  dsa · ibm-3270 · debian · 13
[b3270]Fixed
Source package: [ibm-3270]
Details (2)
- 4.3ga10-5 · amd64 · trixie
  Fixed · Fixed: 3.3.14ga11-1
  dsa · ibm-3270 · debian · 13
- 4.3ga10-5 · arm64 · trixie
  Fixed · Fixed: 3.3.14ga11-1
  dsa · ibm-3270 · debian · 13
[c3270]Fixed
Source package: [ibm-3270]
Details (2)
- 4.3ga10-5 · amd64 · trixie
  Fixed · Fixed: 3.3.14ga11-1
  dsa · ibm-3270 · debian · 13
- 4.3ga10-5 · arm64 · trixie
  Fixed · Fixed: 3.3.14ga11-1
  dsa · ibm-3270 · debian · 13
[pr3287]Fixed
Source package: [ibm-3270]
Details (2)
- 4.3ga10-5 · amd64 · trixie
  Fixed · Fixed: 3.3.14ga11-1
  dsa · ibm-3270 · debian · 13
- 4.3ga10-5 · arm64 · trixie
  Fixed · Fixed: 3.3.14ga11-1
  dsa · ibm-3270 · debian · 13
[s3270]Fixed
Source package: [ibm-3270]
Details (2)
- 4.3ga10-5 · amd64 · trixie
  Fixed · Fixed: 3.3.14ga11-1
  dsa · ibm-3270 · debian · 13
- 4.3ga10-5 · arm64 · trixie
  Fixed · Fixed: 3.3.14ga11-1
  dsa · ibm-3270 · debian · 13
[tcl3270]Fixed
Source package: [ibm-3270]
Details (2)
- 4.3ga10-5 · amd64 · trixie
  Fixed · Fixed: 3.3.14ga11-1
  dsa · ibm-3270 · debian · 13
- 4.3ga10-5 · arm64 · trixie
  Fixed · Fixed: 3.3.14ga11-1
  dsa · ibm-3270 · debian · 13
[x3270]Fixed
Source package: [ibm-3270]
Details (2)
- 4.3ga10-5 · amd64 · trixie
  Fixed · Fixed: 3.3.14ga11-1
  dsa · ibm-3270 · debian · 13
- 4.3ga10-5 · arm64 · trixie
  Fixed · Fixed: 3.3.14ga11-1
  dsa · ibm-3270 · debian · 13
[xfonts-x3270-misc]Fixed
Source package: [ibm-3270]
Details (2)
- 4.3ga10-5 · all · trixie
  Fixed · Fixed: 3.3.14ga11-1
  dsa · ibm-3270 · debian · 13
- 4.3ga10-5 · all · trixie
  Fixed · Fixed: 3.3.14ga11-1
  dsa · ibm-3270 · debian · 13

Observed: Oct 23, 2026, 5:06:41 PM UTC

References

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