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Fencer Vulns
medium 4.3

CVE-2008-2711 json

fetchmail 6.3.8 and earlier, when running in -v -v (aka verbose) mode, allows remote attackers to cause a denial of service (crash and pers…

published 2008-06-16 18 y ago modified 2026-06-16 4 mo ago also EUVD-2008-2705

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.0%
EPSS 3.0% chance of exploitation in 30 days, percentile 87%
public exploits
0
none known

Summary

fetchmail 6.3.8 and earlier, when running in -v -v (aka verbose) mode, allows remote attackers to cause a denial of service (crash and persistent mail failure) via a malformed mail message with long headers, which triggers an erroneous dereference when using vsnprintf to format log messages.

Patch / fix

  • fetchmail Debian 14, Debian 13, Debian 12 6.3.9~rc2-1

debian advisories DEBIAN-CVE-2008-2711

  • fetchmail RHEL 3 6.2.0-3.el3.5
  • fetchmail RHEL 4 6.2.5-6.0.1.el4_8.1
  • fetchmail RHEL 5 6.3.6-1.1.el5_3.1

red hat advisories RHSA-2009:1427

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2008-2711 updated cvss 2.6

fetchmail: Crash in large log messages in verbose mode

  • Red Hat Desktop version 3 fetchmail 6.2.0-3.el3.5 Red Hat Enterprise Linux (v. 5 server) fetchmail 6.3.6-1.1.el5_3.1 Red Hat Enterprise Linux AS version 3 fetchmail 6.2.0-3.el3.5 Red Hat Enterprise Linux AS version 4 fetchmail 6.2.5-6.0.1.el4_8.1 Red Hat Enterprise Linux Desktop version 4 fetchmail 6.2.5-6.0.1.el4_8.1 Red Hat Enterprise Linux Desktop Workstation (v. 5 client) fetchmail 6.3.6-1.1.el5_3.1
    +4 more products
    Red Hat Enterprise Linux ES version 3 fetchmail 6.2.0-3.el3.5 Red Hat Enterprise Linux ES version 4 fetchmail 6.2.5-6.0.1.el4_8.1 Red Hat Enterprise Linux WS version 3 fetchmail 6.2.0-3.el3.5 Red Hat Enterprise Linux WS version 4 fetchmail 6.2.5-6.0.1.el4_8.1
    fixed: vendor fix RHSA-2009:1427

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

3.00% chance of exploitation in the next 30 days, higher than 87% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:N/A:P

Classification

Weakness
  • CWE-20 Improper Input Validation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.