rsyslog vulnerabilities
CVEs whose affected-version data names the rsyslog package. Each record lists the affected and patched versions; check a specific version with the dependency checker or POST /api/sbom.
4 CVEsRSS
CVE-2026-61548High· 8.1Rsyslog is a rocket-fast system for log processing
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] st…
CVE-2026-55556High· 8.2Rsyslog is a rocket-fast system for log processing
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…
CVE-2026-78002High· 7.5A flaw was found in rsyslog
A flaw was found in rsyslog. An unauthenticated remote attacker can trigger a heap buffer overflow in the RainerScript `replace()` function by sending specially crafted syslog messages. This vulnerability arises from an incorrect buffer …
CVE-2026-19654High· 7.5A unauthenticated remote peer may lead rsyslogd to crash due to a flaw in the optional imptcp module
A unauthenticated remote peer may lead rsyslogd to crash due to a flaw in the optional imptcp module. A crafted input sequence during oversize-frame recovery can cause an invalid internal message length and terminate rsyslogd. No confide…