Metrics
Affected Vendors & Products
No advisories yet.
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
Sat, 08 Aug 2026 03:30:00 +0000
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ssvc
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Fri, 07 Aug 2026 17:30:00 +0000
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Fri, 07 Aug 2026 02:15:00 +0000
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| First Time appeared |
Ffmpeg
Ffmpeg ffmpeg |
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| Vendors & Products |
Ffmpeg
Ffmpeg ffmpeg |
Thu, 06 Aug 2026 22:15:00 +0000
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| Description | FFmpeg versions from 0.5 up to, but not including, 9.0 contain an uninitialized heap memory disclosure vulnerability in the native TIFF decoder in libavcodec/tiff.c. An attacker who can cause FFmpeg to decode a crafted TIFF file can supply a valid Deflate-compressed strip that terminates successfully after producing fewer bytes than the declared strip requires. The tiff_unpack_zlib() function allocates a heap buffer sized for the full declared strip but copies all declared rows via memcpy() regardless of how many bytes zlib actually decompressed, causing unwritten bytes that can contain stale data from prior heap allocations to be incorporated into decoded image output and potentially exposing sensitive data in persistent services. | |
| Title | FFmpeg 0.5 < 9.0 Uninitialized Heap Memory Read in TIFF Decoder | |
| Weaknesses | CWE-908 | |
| References |
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| Metrics |
cvssV3_1
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Projects
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Status: PUBLISHED
Assigner: VulnCheck
Published:
Updated: 2026-08-08T02:44:18.153Z
Reserved: 2026-08-04T20:17:18.297Z
Link: CVE-2026-70631
Updated: 2026-08-08T02:44:13.411Z
Status : Received
Published: 2026-08-06T22:18:27.420
Modified: 2026-08-08T03:16:47.057
Link: CVE-2026-70631
No data.
OpenCVE Enrichment
Updated: 2026-08-07T02:00:06Z