Recorded 18 Oct 2026 at 14:54 UTC. This is what ChangeIntel recorded, including the title, summary, facts and links. It is not a statement of the source's current position. See the latest record.

CVEMicrosoft Security Response Center

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

What it said

CVE: CVE-2026-78002
Severity: Moderate
CVSS base score: 7.5
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U
Impact: Not stated
Exploitation detected: Not reported by MSRC
Publicly disclosed: No
Exploitability: Not assessed
Component: Mariner
Weakness: CWE-131: Incorrect Calculation of Buffer Size
Issued by: redhat
Customer action: Required: apply the update
Affected products: azl3 rsyslog 8.2308.0-5 on Azure Linux 3.0, azl3 rsyslog 8.2308.0-6 on Azure Linux 3.0, azl3 rsyslog 8.2308.0-7 on Azure Linux 3.0
Updates that fix it: No KB listed
CISA KEV: Not listed in the collected catalog
EPSS: Not scored
Public exploit code: No Nuclei template listed
Published: 2 Sep 2026 01:05 UTC
Last revised: 2 Oct 2026 01:47 UTC
Revision note: Information published.

Recorded links

Source evidence when recorded

Microsoft security releases: Complete at observationRead 18 Oct 2026 at 14:53 UTC
CISA KEV: Complete at observationRead 18 Oct 2026 at 14:53 UTC
FIRST EPSS: Complete at observationRead 18 Oct 2026 at 14:53 UTC
Public exploit code: Complete at observationRead 18 Oct 2026 at 14:53 UTC

Coverage describes the sources at this observation. A complete read then does not establish their current position.

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Field-level log (2)

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18 Oct 2026 · 14:54:30 UTC Link: August 2026/security?release=2026-Aug#cves
14 Oct 2026 · 11:22:42 UTC Source coverage: msrc-cvrfIncomplete → Current