CVE-2011-1947

Published: Jun 2, 2011Modified: Apr 29, 2026

5.0

Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploitability: 10.0 / Impact: 2.9

Source: NVD

Description

fetchmail 5.9.9 through 6.3.19 does not properly limit the wait time after issuing a (1) STARTTLS or (2) STLS request, which allows remote servers to cause a denial of service (application hang) by acknowledging the request but not sending additional packets.

Affected (52)

Products: Fetchmail: Fetchmail

Fetchmail

1 product

Fetchmail

Configuration A

52 vulnerable

Vulnerable Software	Affected Versions
Fetchmail Fetchmail	Version 5.9.10
Fetchmail Fetchmail	Version 5.9.11
Fetchmail Fetchmail	Version 5.9.13
Fetchmail Fetchmail	Version 5.9.9
Fetchmail Fetchmail	Version 6.0.0
Fetchmail Fetchmail	Version 6.1.0
Fetchmail Fetchmail	Version 6.1.3
Fetchmail Fetchmail	Version 6.2.0
Fetchmail Fetchmail	Version 6.2.1
Fetchmail Fetchmail	Version 6.2.2
Fetchmail Fetchmail	Version 6.2.3
Fetchmail Fetchmail	Version 6.2.4
Fetchmail Fetchmail	Version 6.2.5.1
Fetchmail Fetchmail	Version 6.2.5.2
Fetchmail Fetchmail	Version 6.2.5.4
Fetchmail Fetchmail	Version 6.2.5
Fetchmail Fetchmail	Version 6.2.6 pre4
Fetchmail Fetchmail	Version 6.2.6 pre8
Fetchmail Fetchmail	Version 6.2.6 pre9
Fetchmail Fetchmail	Version 6.2.9 rc10
Fetchmail Fetchmail	Version 6.2.9 rc3
Fetchmail Fetchmail	Version 6.2.9 rc4
Fetchmail Fetchmail	Version 6.2.9 rc5
Fetchmail Fetchmail	Version 6.2.9 rc7
Fetchmail Fetchmail	Version 6.2.9 rc8
Fetchmail Fetchmail	Version 6.2.9 rc9
Fetchmail Fetchmail	Version 6.3.0
Fetchmail Fetchmail	Version 6.3.10
Fetchmail Fetchmail	Version 6.3.11
Fetchmail Fetchmail	Version 6.3.12
Fetchmail Fetchmail	Version 6.3.13
Fetchmail Fetchmail	Version 6.3.14
Fetchmail Fetchmail	Version 6.3.15
Fetchmail Fetchmail	Version 6.3.16
Fetchmail Fetchmail	Version 6.3.17
Fetchmail Fetchmail	Version 6.3.18
Fetchmail Fetchmail	Version 6.3.19
Fetchmail Fetchmail	Version 6.3.1
Fetchmail Fetchmail	Version 6.3.2
Fetchmail Fetchmail	Version 6.3.3
Fetchmail Fetchmail	Version 6.3.4
Fetchmail Fetchmail	Version 6.3.5
Fetchmail Fetchmail	Version 6.3.6
Fetchmail Fetchmail	Version 6.3.6 rc1
Fetchmail Fetchmail	Version 6.3.6 rc2
Fetchmail Fetchmail	Version 6.3.6 rc3
Fetchmail Fetchmail	Version 6.3.6 rc4
Fetchmail Fetchmail	Version 6.3.6 rc5
Fetchmail Fetchmail	Version 6.3.7
Fetchmail Fetchmail	Version 6.3.8
Fetchmail Fetchmail	Version 6.3.9
Fetchmail Fetchmail	Version 6.3.9 rc2