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An issue was discovered in Dolby UDC 4.5 through 4.13. A crash of the DD+ decoder process can occur when a malformed DD+ bitstream is processed. When Evolution data is processed by evo_priv.c from the DD+ bitstream, the decoder writes that data into a buffer. The length calculation for a write can overflow due to an integer wraparound. This can lead to the allocated buffer being too small, and the out-of-bounds check of the subsequent write to be ineffective, leading to an out-of-bounds write.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Microsoft Windows | — | 2025-10 Cumulative Update for Microsoft Windows Server 2019, version 1809 (KB5066586)2025-10 Cumulative Update for Microsoft Windows Server 2022, version 23H2 (KB5066780)2025-10 Cumulative Update for Microsoft Windows 10, version 1507 (KB5066837)2025-10 Cumulative Update for Microsoft Windows 11, version 23H2 (KB5066793)2025-10 Cumulative Update for Microsoft Windows 11, version 24H2 (KB5066835)2025-10 Cumulative Update for Microsoft Windows 11, version 22H2 (KB5066793)2025-10 Cumulative Update for Microsoft Windows Server 2025, version 24H2 (KB5066835)2025-10 Cumulative Update for Microsoft Windows 10, version 1607 (KB5066836)2025-10 Cumulative Update for Microsoft Windows Server 2022, version 21H2 (KB5066782)2025-10 Cumulative Update for Microsoft Windows 11, version 25H2 (KB5066835)2025-10 Cumulative Update for Microsoft Windows 10, version 21H2 (KB5066791)2025-10 Cumulative Update for Microsoft Windows 10, version 22H2 (KB5066791)2025-10 Cumulative Update for Microsoft Windows Server 2022, version 22H2 (KB5066782)2025-10 Cumulative Update for Microsoft Windows Server 2016, version 1607 (KB5066836)2025-10 Cumulative Update for Microsoft Windows 10, version 1809 (KB5066586) | Oct 14, 2025 | Oct 14, 2025 |
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