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Fencer Intel
medium 5.0

CVE-2014-3683 json

Integer overflow in rsyslog before 7.6.7 and 8.x before 8.4.2 and sysklogd 1.5 and earlier allows remote attackers to cause a denial of ser…

published 2014-11-02 12 y ago modified 2026-06-17 4 mo ago also EUVD-2014-3629

cvss
5.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
4.6%
EPSS 4.6% chance of exploitation in 30 days, percentile 91%
public exploits
0
none known

Summary

Integer overflow in rsyslog before 7.6.7 and 8.x before 8.4.2 and sysklogd 1.5 and earlier allows remote attackers to cause a denial of service (crash) via a large priority (PRI) value. NOTE: this vulnerability exists because of an incomplete fix for CVE-2014-3634.

Patch / fix

  • rsyslog Debian 14, Debian 13, Debian 12 8.4.2-1

debian advisories DEBIAN-CVE-2014-3683

  • rsyslog Ubuntu 14.04 LTS 7.4.4-1ubuntu2.3

ubuntu advisories UBUNTU-CVE-2014-3683

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • rsyslog openSUSE Tumbleweed 8.23.0-2.1

opensuse advisories openSUSE-SU-2024:10498-1

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-2014-3683 updated cvss 1.8

rsyslog: integer overflow in PRI parsing

  • Red Hat Enterprise Linux 5 rsyslog, rsyslog5, sysklogd Red Hat Enterprise Linux 6 rsyslog, rsyslog7, rsyslog-relp, rsyslog-snmp, rsyslog-mysql, rsyslog-pgsql, +9 more Red Hat Enterprise Linux 7 rsyslog, rsyslog-relp, rsyslog-snmp, rsyslog-kafka, rsyslog-mysql, rsyslog-pgsql, +11 more Red Hat OpenShift Enterprise 2 rsyslog7 Red Hat Storage 2 rsyslog
    not affected: vulnerable code not present

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

4.58% chance of exploitation in the next 30 days, higher than 91% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • rsyslog.com http://www.rsyslog.com/remote-syslog-pri-vulnerability-cve-2014-3683/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness

References

Sources

Fencer Intel 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.