Moderate: Red Hat Security Advisory: rsyslog security update

An update for rsyslog is now available for Red Hat Enterprise Linux 10. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from t...

rsyslog: A configuration-dependent issue in rsyslog's optional imptcp input module can allow an unauthenticated remote peer to crash rsyslogd

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 confidentiality or integrity impact, privilege escalation, or code...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: rsyslog (UTSA-2026-106764)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-106764 advisory. 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 cau...

TencentOS Server 4: rsyslog (TSSA-2026:0885)

The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the TSSA-2026:0885 advisory. Package updates are available for TencentOS Server 4 that fix the following vulnerabilities:...

Amazon Linux 2023 : rsyslog, rsyslog-crypto, rsyslog-elasticsearch (ALAS2023-2026-2118)

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2026-2118 advisory. 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 lengt...

OESA-2026-3504 rsyslog security update

RSYSLOG is the rocket-fast system for log processing.It offers high-performance, great security features and a modular design. While it started as a regular syslogd, rsyslog has evolved into a kind of swiss army knife of logging, being able to accept inputs from a wide variety of sources, transfo...

SUSE CVE-2026-19654

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 confidentiality or integrity impact, privilege escalation, or code...

DEBIAN-CVE-2026-19654

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 confidentiality or integrity impact, privilege escalation, or code...

CVE-2026-19654

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 confidentiality or integrity impact, privilege escalation, or code...

AZL-95958 CVE-2026-19654 affecting package rsyslog for versions less than 8.2308.0-6

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 confidentiality or integrity impact, privilege escalation, or code...

CVE-2026-19654

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 confidentiality or integrity impact, privilege escalation, or code...

CVE-2026-19654 Rsyslog: a configuration-dependent issue in rsyslog's optional imptcp input module can allow an unauthenticated remote peer to crash rsyslogd

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 confidentiality or integrity impact, privilege escalation, or code...

CVE-2026-19654 Rsyslog: a configuration-dependent issue in rsyslog's optional imptcp input module can allow an unauthenticated remote peer to crash rsyslogd

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 confidentiality or integrity impact, privilege escalation, or code...

CVE-2026-19654

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 confidentiality or integrity impact, privilege escalation, or code...

CVE-2026-19654

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 confidentiality or integrity impact, privilege escalation, or code...

EUVD-2026-57617

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 confidentiality or integrity impact, privilege escalation, or code...

Security update for rsyslog

This update for rsyslog fixes the following issues: CVE-2026-61548: parsing of crafted RFC 5424 messages in mmpstrucdata can lead to a stack buffer overflow bsc1272414. Configuration-dependent issue in the optional imptcp input module can allow an unauthenticated remote peer to crash rsyslogd...

USN-8598-1: rsyslog vulnerabilities

It was discovered that rsyslog incorrectly handled regex-based TCP framing in the imptcp module. A remote attacker could possibly use this issue to cause rsyslog to crash, resulting in a denial of service. It was discovered that rsyslog incorrectly handled oversized RFC5424 structured data in the...

PT-2026-71338

Name of the Vulnerable Software and Affected Versions rsyslogd affected versions not specified Description An unauthenticated remote peer can cause rsyslogd to crash due to a flaw in the optional imptcp module. A crafted input sequence during oversize-frame recovery can result in an invalid...

PT-2026-64216

Name of the Vulnerable Software and Affected Versions rsyslog affected versions not specified Description Two issues were identified in rsyslog. First, the imptcp module incorrectly handles regex-based TCP framing, which could allow a remote attacker to cause the service to crash. Second, a stack...