HIGH 7.5 Microsoft

CVE-2026-78002

Rsyslog: rsyslog: denial of service via heap buffer overflow in rainerscript replace() function

Microsoft Security Update 2026-Aug: Rsyslog: rsyslog: denial of service via heap buffer overflow in rainerscript replace() function

Affected Products

azl3 rsyslog 8.2308.0-5 on Azure Linux 3.0
azl3 rsyslog 8.2308.0-7 on Azure Linux 3.0
azl3 rsyslog 8.2308.0-6 on Azure Linux 3.0

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-78002
https://nvd.nist.gov/vuln/detail/CVE-2026-78002

Published: 2026-08-11 · Source: Microsoft · Feed updated: 2026-10-12

This high severity vulnerability with a CVSS score of 7.5 was published on 2026-08-11 via Microsoft. Affected: azl3 rsyslog 8.2308.0-5 on Azure Linux 3.0, azl3 rsyslog 8.2308.0-7 on Azure Linux 3.0, azl3 rsyslog 8.2308.0-6 on Azure Linux 3.0.

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