VULNERABILITY INTELLIGENCE
CVE-2011-1947
CVSS score5 MEDIUM
EPSS probability2.55%
CISA KEVNot currently listed
Published2011-06-02
Last modified2026-06-16
CVSS vectorAV:N/AC:L/Au:N/C:N/I:N/A:P
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.