CVE-2011-1947
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
02 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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 2.55% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 84.6% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-16.
- Red Hat severity
- Low. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2011-06-02 19:00Z15 YR AGO
- Last updated
- 2024-08-06 22:46Z2 YR AGO
- Reserved
- 2011-05-09
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- Data version
- 5.1
- Document digest
- cba02b8042a7c9500e719789ac1ea7952065aafcf140015201cfe27070aebe49
05 Affected products
06 References
- openwall.com[oss-security] 20110531 Re: CVE request for fetchmail STARTTLS hang (Denial of Service)http://openwall.com/lists/oss-security/2011/05/31/17
- www.securityfocus.com48043http://www.securityfocus.com/bid/48043
- lists.fedoraproject.orgFEDORA-2011-8011http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061672.html
- openwall.com[oss-security] 20110531 Re: CVE request for fetchmail STARTTLS hang (Denial of Service)http://openwall.com/lists/oss-security/2011/05/31/12
- openwall.com[oss-security] 20110530 CVE request for fetchmail STARTTLS hang (Denial of Service)http://openwall.com/lists/oss-security/2011/05/30/1
- www.securityfocus.com20110606 fetchmail security announcement fetchmail-SA-2011-01 (CVE-2011-1947)http://www.securityfocus.com/archive/1/518251/100/0/threaded
- lists.fedoraproject.orgFEDORA-2011-8059http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061634.html
- gitorious.orghttp://gitorious.org/fetchmail/fetchmail/blobs/legacy_63/fetchmail-SA-2011-01.txt
- www.securitytracker.com1025605http://www.securitytracker.com/id?1025605
- www.mandriva.comMDVSA-2011:107http://www.mandriva.com/security/advisories?name=MDVSA-2011:107
- lists.fedoraproject.orgFEDORA-2011-8021http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061735.html
- www.fetchmail.infohttp://www.fetchmail.info/fetchmail-SA-2011-01.txt
- openwall.com[oss-security] 20110601 Re: CVE request for fetchmail STARTTLS hang (Denial of Service)http://openwall.com/lists/oss-security/2011/06/01/2
- exchange.xforce.ibmcloud.comfetchmail-starttls-dos(67700)https://exchange.xforce.ibmcloud.com/vulnerabilities/67700
07 Fixed in
Debian 12
- fetchmail Fixed in 6.3.22-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- fetchmail Fixed in 6.3.22-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- fetchmail Fixed in 6.3.22-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.