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Δ / VULNERABILITY RECORD

CVE-2025-49178.

Source-reported disclosure and enrichment record.

SEVERITY / CVSSMEDIUM / 5.5No severity score in this snapshot.
EXPLOITATION STATUSNot listed in the cached KEV catalogThis does not establish absence of exploitation.
RECORD STATUSMicrosoft vendor recordModified Aug 12, 2026

Disclosure summary

Xorg-x11-server-xwayland: xorg-x11-server: tigervnc: unprocessed client request due to bytes to ignore

Source-reported weakness categories

CWE-667

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) · 2025-Jun

Open original source · Updated Aug 12, 2026

Xorg-x11-server-xwayland: xorg-x11-server: tigervnc: unprocessed client request due to bytes to ignore

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

Microsoft maximum product score: 5.5

VendorProduct / associationVersion / bounds
Microsoft update guideazl3 xorg-x11-server-Xwayland 24.1.6-2 on Azure Linux 3.0 (MSRC status code 3)
Microsoft update guidecbl2 xorg-x11-server 1.20.10-16 on CBL Mariner 2.0 (MSRC status code 3)
Microsoft update guidecbl2 xorg-x11-server 1.20.10-16 on CBL-Mariner 2.0 (MSRC status code 3)

Vendor remediation references

  • CBL-Mariner Releases · build 24.1.6-2 · product IDs 19615-17084
  • Vendor guidance · product IDs 19615-17084
  • CBL-Mariner Releases · build 1.20.10-16 · product IDs 20351-17086, 20351-21692
  • Vendor guidance · product IDs 20351-17086, 20351-21692

Original records & references

PUBLISHED 2025-08-05T20:00:00-04:00
MODIFIED 2026-08-12T20:12:52-04:00
INGESTED 2026-10-08T12:50:04-04:00