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rsyslog

7 known vulnerabilities.

rsyslog at a glance

Last 12 months
3
Critical · all time
0
Exploited · all time
0
Public exploit · all time
1
New vulnerabilities per month · last 12 months
0 1 2 December 2025: 0 vulnerabilities Dec 2025 January 2026: 0 vulnerabilities February 2026: 0 vulnerabilities March 2026: 0 vulnerabilities Mar April 2026: 0 vulnerabilities May 2026: 0 vulnerabilities June 2026: 0 vulnerabilities Jun July 2026: 0 vulnerabilities August 2026: 0 vulnerabilities September 2026: 2 vulnerabilities Sep October 2026: 1 vulnerability November 2026: 0 vulnerabilities
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Products

rsyslog 7
All Critical High Medium Low Exploited only Public exploit

7 results · Feed

  • High 8.1
    CVE-2026-92709

    Rsyslog: DynFile Path Traversal → Arbitrary File Write as Root → RCE

    Rsyslog is a rocket-fast system for log processing. From versions 1.15.0 to 8.2610.0, rsyslog's omfile dynaFile facility intentionally allows templates to generate flexible output paths. This supports valid deployments that route logs into different directori…

    rsyslog rsyslog rsyslog rsyslog Debian Ubuntu
  • High 8.1
    CVE-2026-61548

    Rsyslog: mmpstrucdata stack buffer overflow with oversized RFC5424 structured data

    Rsyslog is a rocket-fast system for log processing. From 7.5.4 until 8.2606.0, the optional mmpstrucdata plugin's parseSD_PARAM function in plugins/mmpstrucdata/mmpstrucdata.c stores RFC5424 parameter values in a fixed pVal[32 * 1024] stack buffer and calls p…

    rsyslog rsyslog rsyslog rsyslog Debian Ubuntu Alpine
  • High 8.2
    CVE-2026-55556

    Rsyslog: Heap buffer overflow in imhttp plugin Basic Authentication handling

    Rsyslog is a rocket-fast system for log processing. From 8.2110.0 until 8.2604.0, the optional imhttp module's parse_auth_header function in contrib/imhttp/imhttp.c allocates a zero-byte heap buffer with calloc(0, len) when an HTTP Basic Authorization value e…

    rsyslog rsyslog rsyslog rsyslog Debian Alpine
  • High 8.1
    CVE-2022-24903 Public exploit

    Buffer overflow in TCP syslog server (receiver) components in rsyslog

    Rsyslog is a rocket-fast system for log processing. Modules for TCP syslog reception have a potential heap buffer overflow when octet-counted framing is used. This can result in a segfault or some other malfunction. As of our understanding, this vulnerability…

    rsyslog rsyslog rsyslog rsyslog Debian Ubuntu Alpine
  • Unscored —
    CVE-2011-1490

    A memory leak in rsyslog before 5.7.6 was found in the way deamon processed log messages are logged when multiple rules…

    rsyslog rsyslog rsyslog Debian
  • Unscored —
    CVE-2011-1489

    A memory leak in rsyslog before 5.7.6 was found in the way deamon processed log messages were logged when multiple rule…

    rsyslog rsyslog rsyslog Debian
  • Unscored —
    CVE-2011-1488

    A memory leak in rsyslog before 5.7.6 was found in the way deamon processed log messages are logged when $RepeatedMsgRe…

    rsyslog rsyslog rsyslog Debian