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TI-2018-15792 Aliases CVE-2018-1000140GHSA-m73v-c2p6-943p

rsyslog librelp version 1.2.14 and earlier contains a Buffer Overflow vulnerability in…

Priority MEDIUM 54CWE-787Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-787 and the CVSS impact.

Summary

rsyslog librelp version 1.2.14 and earlier contains a Buffer Overflow vulnerability in the checking of x509 certificates from a peer that can result in Remote code execution. This attack appear to be exploitable a remote attacker that can connect to rsyslog and trigger a stack buffer overflow by sending a specially crafted x509 certificate.

Why it matters now

EPSS 0.09342 95th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed Red Hat: 7 advisories

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 25

CPEVersionsRoleVendor
cpe:2.3:a:rsyslog:librelp:*:*:*:*:*:*:*:*up to 1.2.14Vulnerablersyslog
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*8.0VulnerableDebian
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*9.0VulnerableDebian
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*14.04VulnerableCanonical
cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*6.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*6.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_aus:6.6:*:*:*:*:*:*:*6.6VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.2:*:*:*:*:*:*:*7.2VulnerableRed Hat
  • cpe:2.3:a:rsyslog:librelp:*:*:*:*:*:*:*:* Versions up to 1.2.14 Vulnerable ·rsyslog
  • cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian
  • cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian
  • cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* Versions 14.04 Vulnerable ·Canonical
  • cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_aus:6.6:*:*:*:*:*:*:* Versions 6.6 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_aus:7.2:*:*:*:*:*:*:* Versions 7.2 Vulnerable ·Red Hat
Show 15 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.3:*:*:*:*:*:*:*7.3VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:*:*:*:*:*:*:*7.4VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:*7.6VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_eus:6.7:*:*:*:*:*:*:*6.7VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.3:*:*:*:*:*:*:*7.3VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.4:*:*:*:*:*:*:*7.4VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:*7.5VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:*7.6VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_tus:6.6:*:*:*:*:*:*:*6.6VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_tus:7.2:*:*:*:*:*:*:*7.2VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_tus:7.3:*:*:*:*:*:*:*7.3VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_tus:7.4:*:*:*:*:*:*:*7.4VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:*7.6VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*6.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_aus:7.3:*:*:*:*:*:*:* Versions 7.3 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:*:*:*:*:*:*:* Versions 7.4 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:* Versions 7.6 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_eus:6.7:*:*:*:*:*:*:* Versions 6.7 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_eus:7.3:*:*:*:*:*:*:* Versions 7.3 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_eus:7.4:*:*:*:*:*:*:* Versions 7.4 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:* Versions 7.5 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:* Versions 7.6 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_tus:6.6:*:*:*:*:*:*:* Versions 6.6 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_tus:7.2:*:*:*:*:*:*:* Versions 7.2 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_tus:7.3:*:*:*:*:*:*:* Versions 7.3 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_tus:7.4:*:*:*:*:*:*:* Versions 7.4 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:* Versions 7.6 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat

Remediation

Red Hat 7 advisories

  • RHSA-2018:1707 Released 2018-05-23 · Red Hat rating Critical
    librelp security update
    • Red Hat Enterprise Linux ComputeNode EUS (v. 7.3) librelp-1.2.0-4.el7_3
    • Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.3) librelp-devel-1.2.0-4.el7_3
    • Red Hat Enterprise Linux Server EUS (v. 7.3) librelp-1.2.0-4.el7_3, librelp-1.2.0-4.el7_3.ppc
    • Red Hat Enterprise Linux Server Optional EUS (v. 7.3) librelp-devel-1.2.0-4.el7_3, librelp-devel-1.2.0-4.el7_3.ppc
  • RHSA-2018:1704 Released 2018-05-23 · Red Hat rating Critical
    librelp security update
    • Red Hat Enterprise Linux ComputeNode EUS (v. 7.4) librelp-1.2.12-1.el7_4.1
    • Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.4) librelp-devel-1.2.12-1.el7_4.1
    • Red Hat Enterprise Linux Server EUS (v. 7.4) librelp-1.2.12-1.el7_4.1, librelp-1.2.12-1.el7_4.1.ppc
    • Red Hat Enterprise Linux Server Optional EUS (v. 7.4) librelp-devel-1.2.12-1.el7_4.1, librelp-devel-1.2.12-1.el7_4.1.ppc
  • RHSA-2018:1702 Released 2018-05-23 · Red Hat rating Critical
    librelp security update
    • Red Hat Enterprise Linux HPC Node EUS (v. 6.7) librelp-1.2.7-3.el6_7.1
    • Red Hat Enterprise Linux HPC Node Optional EUS (v. 6.7) librelp-1.2.7-3.el6_7.1, librelp-devel-1.2.7-3.el6_7.1
    • Red Hat Enterprise Linux Server EUS (v. 6.7) librelp-1.2.7-3.el6_7.1
    • Red Hat Enterprise Linux Server Optional EUS (v. 6.7) librelp-1.2.7-3.el6_7.1, librelp-1.2.7-3.el6_7.1.ppc, librelp-devel-1.2.7-3.el6_7.1 +1
Show 4 more Red Hat advisories
  • RHSA-2018:1703 Released 2018-05-23 · Red Hat rating Critical
    librelp security update
    • Red Hat Enterprise Linux Server AUS (v. 7.2) librelp-1.2.0-4.el7_2
    • Red Hat Enterprise Linux Server E4S (v. 7.2) librelp-1.2.0-4.el7_2
    • Red Hat Enterprise Linux Server Optional AUS (v. 7.2) librelp-devel-1.2.0-4.el7_2
    • Red Hat Enterprise Linux Server Optional E4S (v. 7.2) librelp-devel-1.2.0-4.el7_2
    • Red Hat Enterprise Linux Server Optional TUS (v. 7.2) librelp-devel-1.2.0-4.el7_2
    • Red Hat Enterprise Linux Server TUS (v. 7.2) librelp-1.2.0-4.el7_2
  • RHSA-2018:1701 Released 2018-05-23 · Red Hat rating Critical
    librelp security update
    • Red Hat Enterprise Linux Server AUS (v. 6.6) librelp-1.2.7-3.el6_6.1
    • Red Hat Enterprise Linux Server Optional AUS (v. 6.6) librelp-1.2.7-3.el6_6.1, librelp-devel-1.2.7-3.el6_6.1
    • Red Hat Enterprise Linux Server Optional TUS (v. 6.6) librelp-1.2.7-3.el6_6.1, librelp-devel-1.2.7-3.el6_6.1
    • Red Hat Enterprise Linux Server TUS (v. 6.6) librelp-1.2.7-3.el6_6.1
  • RHSA-2018:1225 Released 2018-04-24 · Red Hat rating Critical
    librelp security update
    • Red Hat Enterprise Linux Desktop (v. 6) librelp-1.2.7-3.el6_9.1
    • Red Hat Enterprise Linux Desktop Optional (v. 6) librelp-1.2.7-3.el6_9.1, librelp-devel-1.2.7-3.el6_9.1
    • Red Hat Enterprise Linux HPC Node (v. 6) librelp-1.2.7-3.el6_9.1
    • Red Hat Enterprise Linux HPC Node Optional (v. 6) librelp-1.2.7-3.el6_9.1, librelp-devel-1.2.7-3.el6_9.1
    • Red Hat Enterprise Linux Server (v. 6) librelp-1.2.7-3.el6_9.1
    • Red Hat Enterprise Linux Server Optional (v. 6) librelp-1.2.7-3.el6_9.1, librelp-1.2.7-3.el6_9.1.ppc, librelp-devel-1.2.7-3.el6_9.1 +1
    • Red Hat Enterprise Linux Workstation (v. 6) librelp-1.2.7-3.el6_9.1
    • Red Hat Enterprise Linux Workstation Optional (v. 6) librelp-1.2.7-3.el6_9.1, librelp-devel-1.2.7-3.el6_9.1
  • RHSA-2018:1223 Released 2018-04-24 · Red Hat rating Critical
    librelp security update
    • Red Hat Enterprise Linux Client (v. 7) librelp-1.2.12-1.el7_5.1
    • Red Hat Enterprise Linux Client Optional (v. 7) librelp-devel-1.2.12-1.el7_5.1
    • Red Hat Enterprise Linux ComputeNode (v. 7) librelp-1.2.12-1.el7_5.1
    • Red Hat Enterprise Linux ComputeNode Optional (v. 7) librelp-devel-1.2.12-1.el7_5.1
    • Red Hat Enterprise Linux Server (v. 7) librelp-1.2.12-1.el7_5.1, librelp-1.2.12-1.el7_5.1.ppc
    • Red Hat Enterprise Linux Server Optional (v. 7) librelp-devel-1.2.12-1.el7_5.1, librelp-devel-1.2.12-1.el7_5.1.ppc
    • Red Hat Enterprise Linux Workstation (v. 7) librelp-1.2.12-1.el7_5.1
    • Red Hat Enterprise Linux Workstation Optional (v. 7) librelp-devel-1.2.12-1.el7_5.1
    • Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) librelp-1.2.12-1.el7_5.1
    • Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) librelp-devel-1.2.12-1.el7_5.1

Vendor assessments

Red Hat

Red Hat rating: Critical. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux Client (v. 7)Fixed RHSA-2018:1223
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2018:1223
Red Hat Enterprise Linux ComputeNode (v. 7)Fixed RHSA-2018:1223
Red Hat Enterprise Linux ComputeNode EUS (v. 7.3)Fixed RHSA-2018:1707
Red Hat Enterprise Linux ComputeNode EUS (v. 7.4)Fixed RHSA-2018:1704
Red Hat Enterprise Linux ComputeNode Optional (v. 7)Fixed RHSA-2018:1223
Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.3)Fixed RHSA-2018:1707
Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.4)Fixed RHSA-2018:1704
Red Hat Enterprise Linux Desktop (v. 6)Fixed RHSA-2018:1225
Red Hat Enterprise Linux Desktop Optional (v. 6)Fixed RHSA-2018:1225
Red Hat Enterprise Linux HPC Node (v. 6)Fixed RHSA-2018:1225
Red Hat Enterprise Linux HPC Node EUS (v. 6.7)Fixed RHSA-2018:1702
Red Hat Enterprise Linux HPC Node Optional (v. 6)Fixed RHSA-2018:1225
Red Hat Enterprise Linux HPC Node Optional EUS (v. 6.7)Fixed RHSA-2018:1702
Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2018:1225
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2018:1223
Red Hat Enterprise Linux Server AUS (v. 6.6)Fixed RHSA-2018:1701
Red Hat Enterprise Linux Server AUS (v. 7.2)Fixed RHSA-2018:1703
Red Hat Enterprise Linux Server E4S (v. 7.2)Fixed RHSA-2018:1703
Red Hat Enterprise Linux Server EUS (v. 6.7)Fixed RHSA-2018:1702
Red Hat Enterprise Linux Server EUS (v. 7.3)Fixed RHSA-2018:1707
Red Hat Enterprise Linux Server EUS (v. 7.4)Fixed RHSA-2018:1704
Red Hat Enterprise Linux Server Optional (v. 6)Fixed RHSA-2018:1225
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2018:1223
Red Hat Enterprise Linux Server Optional AUS (v. 6.6)Fixed RHSA-2018:1701
Red Hat Enterprise Linux Server Optional AUS (v. 7.2)Fixed RHSA-2018:1703
Red Hat Enterprise Linux Server Optional E4S (v. 7.2)Fixed RHSA-2018:1703
Red Hat Enterprise Linux Server Optional EUS (v. 6.7)Fixed RHSA-2018:1702
Red Hat Enterprise Linux Server Optional EUS (v. 7.3)Fixed RHSA-2018:1707
Red Hat Enterprise Linux Server Optional EUS (v. 7.4)Fixed RHSA-2018:1704
Red Hat Enterprise Linux Server Optional TUS (v. 6.6)Fixed RHSA-2018:1701
Red Hat Enterprise Linux Server Optional TUS (v. 7.2)Fixed RHSA-2018:1703
Red Hat Enterprise Linux Server TUS (v. 6.6)Fixed RHSA-2018:1701
Red Hat Enterprise Linux Server TUS (v. 7.2)Fixed RHSA-2018:1703
Red Hat Enterprise Linux Workstation (v. 6)Fixed RHSA-2018:1225
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2018:1223
Red Hat Enterprise Linux Workstation Optional (v. 6)Fixed RHSA-2018:1225
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2018:1223
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7)Fixed RHSA-2018:1223
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7)Fixed RHSA-2018:1223
Not affected: 1 product
  • Red Hat Enterprise Linux 8

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-1000140
  2. 2026-10-03 Alias added: GHSA-m73v-c2p6-943p

References

Exploit 1

Patch 1

Advisory 10

Other 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences