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Δ / VULNERABILITY RECORD

CVE-2026-78002.

Source-reported disclosure and enrichment record.

SEVERITY / CVSSHIGH / 7.5No severity score in this snapshot.
EXPLOITATION STATUSNot listed in the cached KEV catalogThis does not establish absence of exploitation.
RECORD STATUSMicrosoft vendor recordModified Oct 01, 2026

Disclosure summary

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

Source-reported weakness categories

CWE-131

Source-specific records & product guidance

Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.

Microsoft Security Updates (CVRF) · 2026-Aug

Open original source · Updated Oct 01, 2026

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

Maximum of vendor-reported product scores; products and fixed builds are associations, not a universal affected-version statement.

Microsoft maximum product score: 7.5

VendorProduct / associationVersion / bounds
Microsoft update guideazl3 rsyslog 8.2308.0-5 on Azure Linux 3.0 (MSRC status code 3)
Microsoft update guideazl3 rsyslog 8.2308.0-7 on Azure Linux 3.0 (MSRC status code 3)
Microsoft update guideazl3 rsyslog 8.2308.0-6 on Azure Linux 3.0 (MSRC status code 3)

Vendor remediation references

  • Vendor guidance · product IDs 21037-17084
  • Vendor guidance · product IDs 21037-17084
  • Release Notes · build 8.2308.0-7 · product IDs 21917-17084
  • Vendor guidance · product IDs 21917-17084
  • Vendor guidance · build 8.2308.0-7 · product IDs 21838-17084
  • Vendor guidance · product IDs 21838-17084

Original records & references

PUBLISHED 2026-09-01T21:05:13-04:00
MODIFIED 2026-10-01T21:47:13-04:00
INGESTED 2026-10-08T12:40:11-04:00