CVE catalog

CVE-2012-6687

libfcgi-perl: CVE-2012-6687

Severity: Medium
Published: Feb 19, 2015, 3:59:00 PM UTC
Source: [NVD] · [CVE record]
EPSS: 6.09% · Oct 25, 2026

FastCGI (aka fcgi and libfcgi) 2.4.0 allows remote attackers to cause a denial of service (segmentation fault and crash) via a large number of connections.

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	libfcgi	sid	`2.4.5-0.1`	fixed
Debian	libfcgi	forky	`2.4.5-0.1`	fixed
Debian	libfcgi	trixie	`2.4.5-0.1`	fixed
Debian	libfcgi	bookworm	`2.4.2-2+deb12u1`	fixed
Debian	libfcgi-perl	sid	`0.82+ds-3`	fixed
Debian	libfcgi-perl	forky	`0.82+ds-3`	fixed
Debian	libfcgi-perl	trixie	`0.82+ds-3`	fixed
Debian	libfcgi-perl	bookworm	`0.82+ds-2`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	libfcgi	source	sid	`2.4.0-8.3`	not yet assigned	Not reported	[681591]
Debian	libfcgi	source	forky	`2.4.0-8.3`	not yet assigned	Not reported	[681591]
Debian	libfcgi	source	trixie	`2.4.0-8.3`	not yet assigned	Not reported	[681591]
Debian	libfcgi	source	bookworm	`2.4.0-8.3`	not yet assigned	Not reported	[681591]
Debian	libfcgi-perl	source	sid	`0.78-2`	not yet assigned	Not reported	[815840]
Debian	libfcgi-perl	source	forky	`0.78-2`	not yet assigned	Not reported	[815840]
Debian	libfcgi-perl	source	trixie	`0.78-2`	not yet assigned	Not reported	[815840]
Debian	libfcgi-perl	source	bookworm	`0.78-2`	not yet assigned	Not reported	[815840]

[Debian bug #681591][Debian bug #815840]

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[libfcgi0ldbl]Fixed
Source package: [libfcgi]
Details (2)
- 2.4.2-2+deb12u1 · amd64 · bookworm
  Fixed · Fixed: 2.4.0-8.3
  dsa · libfcgi · debian · bookworm; dsa · libfcgi · debian · 12
- 2.4.2-2+deb12u1 · arm64 · bookworm
  Fixed · Fixed: 2.4.0-8.3
  dsa · libfcgi · debian · bookworm; dsa · libfcgi · debian · 12
[libfcgi-bin]Fixed
Source package: [libfcgi]
Details (2)
- 2.4.2-2+deb12u1 · amd64 · bookworm
  Fixed · Fixed: 2.4.0-8.3
  dsa · libfcgi · debian · bookworm; dsa · libfcgi · debian · 12
- 2.4.2-2+deb12u1 · arm64 · bookworm
  Fixed · Fixed: 2.4.0-8.3
  dsa · libfcgi · debian · bookworm; dsa · libfcgi · debian · 12
[libfcgi-dev]Fixed
Source package: [libfcgi]
Details (2)
- 2.4.2-2+deb12u1 · amd64 · bookworm
  Fixed · Fixed: 2.4.0-8.3
  dsa · libfcgi · debian · bookworm; dsa · libfcgi · debian · 12
- 2.4.2-2+deb12u1 · arm64 · bookworm
  Fixed · Fixed: 2.4.0-8.3
  dsa · libfcgi · debian · bookworm; dsa · libfcgi · debian · 12
[libfcgi-perl]Fixed
Details (2)
- 0.82+ds-2 · amd64 · bookworm
  Fixed · Fixed: 0.78-2
  dsa · libfcgi-perl · debian · bookworm; dsa · libfcgi-perl · debian · 12
- 0.82+ds-2 · arm64 · bookworm
  Fixed · Fixed: 0.78-2
  dsa · libfcgi-perl · debian · bookworm; dsa · libfcgi-perl · debian · 12

[Debian 13 (Trixie)]

[libfcgi0t64]Fixed
Source package: [libfcgi]
Details (2)
- 2.4.5-0.1 · amd64 · trixie
  Fixed · Fixed: 2.4.0-8.3
  dsa · libfcgi · debian · 13
- 2.4.5-0.1 · arm64 · trixie
  Fixed · Fixed: 2.4.0-8.3
  dsa · libfcgi · debian · 13
[libfcgi-bin]Fixed
Source package: [libfcgi]
Details (2)
- 2.4.5-0.1 · amd64 · trixie
  Fixed · Fixed: 2.4.0-8.3
  dsa · libfcgi · debian · 13
- 2.4.5-0.1 · arm64 · trixie
  Fixed · Fixed: 2.4.0-8.3
  dsa · libfcgi · debian · 13
[libfcgi-dev]Fixed
Source package: [libfcgi]
Details (2)
- 2.4.5-0.1 · amd64 · trixie
  Fixed · Fixed: 2.4.0-8.3
  dsa · libfcgi · debian · 13
- 2.4.5-0.1 · arm64 · trixie
  Fixed · Fixed: 2.4.0-8.3
  dsa · libfcgi · debian · 13
[libfcgi-perl]Fixed
Source package: [libfcgi-perl]
Details (2)
- 0.82+ds-3+b2 · amd64 · trixie
  Fixed · Fixed: 0.78-2
  dsa · libfcgi-perl · debian · 13
- 0.82+ds-3+b2 · arm64 · trixie
  Fixed · Fixed: 0.78-2
  dsa · libfcgi-perl · debian · 13

Observed: Oct 23, 2026, 5:07:02 PM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database]