5

CVE-2011-1947: fetchmail Resource Management Errors

Modified
AliasesUBUNTU-CVE-2011-1947DEBIAN-CVE-2011-1947
Published 02-06-2011Last modified 06-08-2024

Vulnerability summary

CVE-2011-1947 is a medium (CVSS 5.0) Resource Management Errors vulnerability in fetchmail. EPSS estimates a 2.55% chance of exploitation in the next 30 days, higher than 85% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 5, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.0/10
010
Medium · v2.0 (NVD)
EPSS score
2.55%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1 · Related 1
OPENSUSE-SU-2024:10194-1

Timeline

  1. 02-06-2011
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

2.55%

Chance of exploitation in the next 30 days

Percentile

85%

Versus all other CVEs

30-day change

No change 0.00 pp

From 2.55% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication (CVSS vector). Other conditions: not stated in public data.

Debian1 product
  • fetchmail< 6.3.22-1
Fetchmail1 product
  • fetchmail5.9.9 | 5.9.10 | 5.9.11 | 5.9.13 | 6.0.0 | 6.1.0 | 6.1.3 | 6.2.0 | 6.2.1 | 6.2.2 | 6.2.3 | 6.2.4 | 6.2.5 | 6.2.5.1 | 6.2.5.2 | 6.2.5.4 | 6.2.6:pre4 | 6.2.6:pre8 | 6.2.6:pre9 | 6.2.9:rc10 | 6.2.9:rc3 | 6.2.9:rc4 | 6.2.9:rc5 | 6.2.9:rc7 | 6.2.9:rc8 | 6.2.9:rc9 | 6.3.0 | 6.3.1 | 6.3.2 | 6.3.3 | 6.3.4 | 6.3.5 | 6.3.6 | 6.3.6:rc1 | 6.3.6:rc2 | 6.3.6:rc3 | 6.3.6:rc4 | 6.3.6:rc5 | 6.3.7 | 6.3.8 | 6.3.9 | 6.3.9:rc2 | 6.3.10 | 6.3.11 | 6.3.12 | 6.3.13 | 6.3.14 | 6.3.15 | 6.3.16 | 6.3.17 | 6.3.18 | 6.3.19
Ubuntu1 product
  • fetchmail< 6.3.26-1

3 vendors · 3 products

References

17 links
Show all 17 references