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TI-2011-02830 Aliases CVE-2011-3200GHSA-56wq-xcxw-c4q3

Stack-based buffer overflow in the parseLegacySyslogMsg function in tools/syslogd.c in…

Priority MEDIUM 42CWE-119Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · Partial
Fix status
Fixed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-119 and the CVSS impact.

Summary

Stack-based buffer overflow in the parseLegacySyslogMsg function in tools/syslogd.c in rsyslogd in rsyslog 4.6.x before 4.6.8 and 5.2.0 through 5.8.4 might allow remote attackers to cause a denial of service (application exit) via a long TAG in a legacy syslog message.

Why it matters now

EPSS 0.20759 97th percentileScored 2026-11-07
Fix Fixed Red Hat: 1 advisory

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 · 51

CPEVersionsRoleVendor
cpe:2.3:a:rsyslog:rsyslog:4.6.0:*:*:*:*:*:*:*4.6.0Vulnerablersyslog
cpe:2.3:a:rsyslog:rsyslog:4.6.1:*:*:*:*:*:*:*4.6.1Vulnerablersyslog
cpe:2.3:a:rsyslog:rsyslog:4.6.2:*:*:*:*:*:*:*4.6.2Vulnerablersyslog
cpe:2.3:a:rsyslog:rsyslog:4.6.3:*:*:*:*:*:*:*4.6.3Vulnerablersyslog
cpe:2.3:a:rsyslog:rsyslog:4.6.4:*:*:*:*:*:*:*4.6.4Vulnerablersyslog
cpe:2.3:a:rsyslog:rsyslog:4.6.5:*:*:*:*:*:*:*4.6.5Vulnerablersyslog
cpe:2.3:a:rsyslog:rsyslog:4.6.6:*:*:*:*:*:*:*4.6.6Vulnerablersyslog
cpe:2.3:a:rsyslog:rsyslog:4.6.7:*:*:*:*:*:*:*4.6.7Vulnerablersyslog
cpe:2.3:a:rsyslog:rsyslog:5.2.0:*:*:*:*:*:*:*5.2.0Vulnerablersyslog
cpe:2.3:a:rsyslog:rsyslog:5.2.1:*:*:*:*:*:*:*5.2.1Vulnerablersyslog
  • cpe:2.3:a:rsyslog:rsyslog:4.6.0:*:*:*:*:*:*:* Versions 4.6.0 Vulnerable ·rsyslog
  • cpe:2.3:a:rsyslog:rsyslog:4.6.1:*:*:*:*:*:*:* Versions 4.6.1 Vulnerable ·rsyslog
  • cpe:2.3:a:rsyslog:rsyslog:4.6.2:*:*:*:*:*:*:* Versions 4.6.2 Vulnerable ·rsyslog
  • cpe:2.3:a:rsyslog:rsyslog:4.6.3:*:*:*:*:*:*:* Versions 4.6.3 Vulnerable ·rsyslog
  • cpe:2.3:a:rsyslog:rsyslog:4.6.4:*:*:*:*:*:*:* Versions 4.6.4 Vulnerable ·rsyslog
  • cpe:2.3:a:rsyslog:rsyslog:4.6.5:*:*:*:*:*:*:* Versions 4.6.5 Vulnerable ·rsyslog
  • cpe:2.3:a:rsyslog:rsyslog:4.6.6:*:*:*:*:*:*:* Versions 4.6.6 Vulnerable ·rsyslog
  • cpe:2.3:a:rsyslog:rsyslog:4.6.7:*:*:*:*:*:*:* Versions 4.6.7 Vulnerable ·rsyslog
  • cpe:2.3:a:rsyslog:rsyslog:5.2.0:*:*:*:*:*:*:* Versions 5.2.0 Vulnerable ·rsyslog
  • cpe:2.3:a:rsyslog:rsyslog:5.2.1:*:*:*:*:*:*:* Versions 5.2.1 Vulnerable ·rsyslog
Show 41 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:rsyslog:rsyslog:5.2.2:*:*:*:*:*:*:*5.2.2Vulnerablersyslog
cpe:2.3:a:rsyslog:rsyslog:5.3.1:*:*:*:*:*:*:*5.3.1Vulnerablersyslog
cpe:2.3:a:rsyslog:rsyslog:5.3.2:*:*:*:*:*:*:*5.3.2Vulnerablersyslog
cpe:2.3:a:rsyslog:rsyslog:5.3.3:*:*:*:*:*:*:*5.3.3Vulnerablersyslog
cpe:2.3:a:rsyslog:rsyslog:5.3.4:*:*:*:*:*:*:*5.3.4Vulnerablersyslog
cpe:2.3:a:rsyslog:rsyslog:5.3.5:*:*:*:*:*:*:*5.3.5Vulnerablersyslog
cpe:2.3:a:rsyslog:rsyslog:5.3.6:*:*:*:*:*:*:*5.3.6Vulnerablersyslog
cpe:2.3:a:rsyslog:rsyslog:5.3.7:*:*:*:*:*:*:*5.3.7Vulnerablersyslog
cpe:2.3:a:rsyslog:rsyslog:5.4.0:*:*:*:*:*:*:*5.4.0Vulnerablersyslog
cpe:2.3:a:rsyslog:rsyslog:5.4.1:*:*:*:*:*:*:*5.4.1Vulnerablersyslog
cpe:2.3:a:rsyslog:rsyslog:5.4.2:*:*:*:*:*:*:*5.4.2Vulnerablersyslog
cpe:2.3:a:rsyslog:rsyslog:5.5.0:*:*:*:*:*:*:*5.5.0Vulnerablersyslog
cpe:2.3:a:rsyslog:rsyslog:5.5.1:*:*:*:*:*:*:*5.5.1Vulnerablersyslog
cpe:2.3:a:rsyslog:rsyslog:5.5.2:*:*:*:*:*:*:*5.5.2Vulnerablersyslog
cpe:2.3:a:rsyslog:rsyslog:5.5.3:*:*:*:*:*:*:*5.5.3Vulnerablersyslog
cpe:2.3:a:rsyslog:rsyslog:5.5.4:*:*:*:*:*:*:*5.5.4Vulnerablersyslog
cpe:2.3:a:rsyslog:rsyslog:5.5.5:*:*:*:*:*:*:*5.5.5Vulnerablersyslog
cpe:2.3:a:rsyslog:rsyslog:5.5.6:*:*:*:*:*:*:*5.5.6Vulnerablersyslog
cpe:2.3:a:rsyslog:rsyslog:5.5.7:*:*:*:*:*:*:*5.5.7Vulnerablersyslog
cpe:2.3:a:rsyslog:rsyslog:5.6.0:*:*:*:*:*:*:*5.6.0Vulnerablersyslog
cpe:2.3:a:rsyslog:rsyslog:5.6.1:*:*:*:*:*:*:*5.6.1Vulnerablersyslog
cpe:2.3:a:rsyslog:rsyslog:5.6.2:*:*:*:*:*:*:*5.6.2Vulnerablersyslog
cpe:2.3:a:rsyslog:rsyslog:5.6.3:*:*:*:*:*:*:*5.6.3Vulnerablersyslog
cpe:2.3:a:rsyslog:rsyslog:5.6.4:*:*:*:*:*:*:*5.6.4Vulnerablersyslog
cpe:2.3:a:rsyslog:rsyslog:5.6.5:*:*:*:*:*:*:*5.6.5Vulnerablersyslog
cpe:2.3:a:rsyslog:rsyslog:5.7.0:*:*:*:*:*:*:*5.7.0Vulnerablersyslog
cpe:2.3:a:rsyslog:rsyslog:5.7.1:*:*:*:*:*:*:*5.7.1Vulnerablersyslog
cpe:2.3:a:rsyslog:rsyslog:5.7.2:*:*:*:*:*:*:*5.7.2Vulnerablersyslog
cpe:2.3:a:rsyslog:rsyslog:5.7.3:*:*:*:*:*:*:*5.7.3Vulnerablersyslog
cpe:2.3:a:rsyslog:rsyslog:5.7.4:*:*:*:*:*:*:*5.7.4Vulnerablersyslog
cpe:2.3:a:rsyslog:rsyslog:5.7.5:*:*:*:*:*:*:*5.7.5Vulnerablersyslog
cpe:2.3:a:rsyslog:rsyslog:5.7.6:*:*:*:*:*:*:*5.7.6Vulnerablersyslog
cpe:2.3:a:rsyslog:rsyslog:5.7.7:*:*:*:*:*:*:*5.7.7Vulnerablersyslog
cpe:2.3:a:rsyslog:rsyslog:5.7.8:*:*:*:*:*:*:*5.7.8Vulnerablersyslog
cpe:2.3:a:rsyslog:rsyslog:5.7.9:*:*:*:*:*:*:*5.7.9Vulnerablersyslog
cpe:2.3:a:rsyslog:rsyslog:5.7.10:*:*:*:*:*:*:*5.7.10Vulnerablersyslog
cpe:2.3:a:rsyslog:rsyslog:5.8.0:*:*:*:*:*:*:*5.8.0Vulnerablersyslog
cpe:2.3:a:rsyslog:rsyslog:5.8.1:*:*:*:*:*:*:*5.8.1Vulnerablersyslog
cpe:2.3:a:rsyslog:rsyslog:5.8.2:*:*:*:*:*:*:*5.8.2Vulnerablersyslog
cpe:2.3:a:rsyslog:rsyslog:5.8.3:*:*:*:*:*:*:*5.8.3Vulnerablersyslog
cpe:2.3:a:rsyslog:rsyslog:5.8.4:*:*:*:*:*:*:*5.8.4Vulnerablersyslog
  • cpe:2.3:a:rsyslog:rsyslog:5.2.2:*:*:*:*:*:*:* Versions 5.2.2 Vulnerable ·rsyslog
  • cpe:2.3:a:rsyslog:rsyslog:5.3.1:*:*:*:*:*:*:* Versions 5.3.1 Vulnerable ·rsyslog
  • cpe:2.3:a:rsyslog:rsyslog:5.3.2:*:*:*:*:*:*:* Versions 5.3.2 Vulnerable ·rsyslog
  • cpe:2.3:a:rsyslog:rsyslog:5.3.3:*:*:*:*:*:*:* Versions 5.3.3 Vulnerable ·rsyslog
  • cpe:2.3:a:rsyslog:rsyslog:5.3.4:*:*:*:*:*:*:* Versions 5.3.4 Vulnerable ·rsyslog
  • cpe:2.3:a:rsyslog:rsyslog:5.3.5:*:*:*:*:*:*:* Versions 5.3.5 Vulnerable ·rsyslog
  • cpe:2.3:a:rsyslog:rsyslog:5.3.6:*:*:*:*:*:*:* Versions 5.3.6 Vulnerable ·rsyslog
  • cpe:2.3:a:rsyslog:rsyslog:5.3.7:*:*:*:*:*:*:* Versions 5.3.7 Vulnerable ·rsyslog
  • cpe:2.3:a:rsyslog:rsyslog:5.4.0:*:*:*:*:*:*:* Versions 5.4.0 Vulnerable ·rsyslog
  • cpe:2.3:a:rsyslog:rsyslog:5.4.1:*:*:*:*:*:*:* Versions 5.4.1 Vulnerable ·rsyslog
  • cpe:2.3:a:rsyslog:rsyslog:5.4.2:*:*:*:*:*:*:* Versions 5.4.2 Vulnerable ·rsyslog
  • cpe:2.3:a:rsyslog:rsyslog:5.5.0:*:*:*:*:*:*:* Versions 5.5.0 Vulnerable ·rsyslog
  • cpe:2.3:a:rsyslog:rsyslog:5.5.1:*:*:*:*:*:*:* Versions 5.5.1 Vulnerable ·rsyslog
  • cpe:2.3:a:rsyslog:rsyslog:5.5.2:*:*:*:*:*:*:* Versions 5.5.2 Vulnerable ·rsyslog
  • cpe:2.3:a:rsyslog:rsyslog:5.5.3:*:*:*:*:*:*:* Versions 5.5.3 Vulnerable ·rsyslog
  • cpe:2.3:a:rsyslog:rsyslog:5.5.4:*:*:*:*:*:*:* Versions 5.5.4 Vulnerable ·rsyslog
  • cpe:2.3:a:rsyslog:rsyslog:5.5.5:*:*:*:*:*:*:* Versions 5.5.5 Vulnerable ·rsyslog
  • cpe:2.3:a:rsyslog:rsyslog:5.5.6:*:*:*:*:*:*:* Versions 5.5.6 Vulnerable ·rsyslog
  • cpe:2.3:a:rsyslog:rsyslog:5.5.7:*:*:*:*:*:*:* Versions 5.5.7 Vulnerable ·rsyslog
  • cpe:2.3:a:rsyslog:rsyslog:5.6.0:*:*:*:*:*:*:* Versions 5.6.0 Vulnerable ·rsyslog
  • cpe:2.3:a:rsyslog:rsyslog:5.6.1:*:*:*:*:*:*:* Versions 5.6.1 Vulnerable ·rsyslog
  • cpe:2.3:a:rsyslog:rsyslog:5.6.2:*:*:*:*:*:*:* Versions 5.6.2 Vulnerable ·rsyslog
  • cpe:2.3:a:rsyslog:rsyslog:5.6.3:*:*:*:*:*:*:* Versions 5.6.3 Vulnerable ·rsyslog
  • cpe:2.3:a:rsyslog:rsyslog:5.6.4:*:*:*:*:*:*:* Versions 5.6.4 Vulnerable ·rsyslog
  • cpe:2.3:a:rsyslog:rsyslog:5.6.5:*:*:*:*:*:*:* Versions 5.6.5 Vulnerable ·rsyslog
  • cpe:2.3:a:rsyslog:rsyslog:5.7.0:*:*:*:*:*:*:* Versions 5.7.0 Vulnerable ·rsyslog
  • cpe:2.3:a:rsyslog:rsyslog:5.7.1:*:*:*:*:*:*:* Versions 5.7.1 Vulnerable ·rsyslog
  • cpe:2.3:a:rsyslog:rsyslog:5.7.2:*:*:*:*:*:*:* Versions 5.7.2 Vulnerable ·rsyslog
  • cpe:2.3:a:rsyslog:rsyslog:5.7.3:*:*:*:*:*:*:* Versions 5.7.3 Vulnerable ·rsyslog
  • cpe:2.3:a:rsyslog:rsyslog:5.7.4:*:*:*:*:*:*:* Versions 5.7.4 Vulnerable ·rsyslog
  • cpe:2.3:a:rsyslog:rsyslog:5.7.5:*:*:*:*:*:*:* Versions 5.7.5 Vulnerable ·rsyslog
  • cpe:2.3:a:rsyslog:rsyslog:5.7.6:*:*:*:*:*:*:* Versions 5.7.6 Vulnerable ·rsyslog
  • cpe:2.3:a:rsyslog:rsyslog:5.7.7:*:*:*:*:*:*:* Versions 5.7.7 Vulnerable ·rsyslog
  • cpe:2.3:a:rsyslog:rsyslog:5.7.8:*:*:*:*:*:*:* Versions 5.7.8 Vulnerable ·rsyslog
  • cpe:2.3:a:rsyslog:rsyslog:5.7.9:*:*:*:*:*:*:* Versions 5.7.9 Vulnerable ·rsyslog
  • cpe:2.3:a:rsyslog:rsyslog:5.7.10:*:*:*:*:*:*:* Versions 5.7.10 Vulnerable ·rsyslog
  • cpe:2.3:a:rsyslog:rsyslog:5.8.0:*:*:*:*:*:*:* Versions 5.8.0 Vulnerable ·rsyslog
  • cpe:2.3:a:rsyslog:rsyslog:5.8.1:*:*:*:*:*:*:* Versions 5.8.1 Vulnerable ·rsyslog
  • cpe:2.3:a:rsyslog:rsyslog:5.8.2:*:*:*:*:*:*:* Versions 5.8.2 Vulnerable ·rsyslog
  • cpe:2.3:a:rsyslog:rsyslog:5.8.3:*:*:*:*:*:*:* Versions 5.8.3 Vulnerable ·rsyslog
  • cpe:2.3:a:rsyslog:rsyslog:5.8.4:*:*:*:*:*:*:* Versions 5.8.4 Vulnerable ·rsyslog

Remediation

Red Hat 1 advisory

  • RHSA-2011:1247 Released 2011-09-01 · Red Hat rating Moderate
    rsyslog security update
    • Red Hat Enterprise Linux Server (v. 6) rsyslog-4.6.2-3.el6_1.2, rsyslog-gnutls-4.6.2-3.el6_1.2, rsyslog-gssapi-4.6.2-3.el6_1.2 +3

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2011:1247
Not affected: 1 product
  • Red Hat Enterprise Linux 5

Timeline

  1. 2026-10-02 Threatist record created from CVE-2011-3200
  2. 2026-10-03 Alias added: GHSA-56wq-xcxw-c4q3

References

Patch 2

Advisory 5

Other 1

  • TI-2019-12711 An issue was discovered in Rsyslog v8.1908.0. CVSS 3.1CRITICAL 9.8
  • TI-2019-12712 An issue was discovered in Rsyslog v8.1908.0. CVSS 3.1CRITICAL 9.8
  • TI-2019-12710 contrib/pmdb2diag/pmdb2diag.c in Rsyslog v8.1908.0 allows out-of-bounds access because the level length is mishandled. CVSS 3.1CRITICAL 9.8
  • TI-2017-09315 The zmq3 input and output modules in rsyslog before 8.28.0 interpreted description fields… CVSS 3.0CRITICAL 9.8
  • TI-2022-08713 Buffer overflow in TCP syslog server (receiver) components in rsyslog CVSS 3.1HIGH 8.1
  • TI-2014-02955 rsyslog before 7.6.6 and 8.x before 8.4.1 and sysklogd 1.5 and earlier allows remote… CVSS 2.0HIGH 7.5
See all 17 →

Sources

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