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High severity7.5NVD Advisory· Published Nov 13, 2017· Updated Jun 17, 2026

CVE-2017-16803

CVE-2017-16803

Description

In Libav through 11.11 and 12.x through 12.1, the smacker_decode_tree function in libavcodec/smacker.c does not properly restrict tree recursion, which allows remote attackers to cause a denial of service (bitstream.c:build_table() out-of-bounds read and application crash) via a crafted Smacker stream.

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LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

4
  • Libav/Libav4 versions
    cpe:2.3:a:libav:libav:*:*:*:*:*:*:*:*+ 3 more
    • cpe:2.3:a:libav:libav:*:*:*:*:*:*:*:*range: <=11.11
    • cpe:2.3:a:libav:libav:12.0:*:*:*:*:*:*:*
    • cpe:2.3:a:libav:libav:12.1:*:*:*:*:*:*:*
    • (no CPE)range: <=11.11, <=12.1

Patches

Vulnerability mechanics

References

5

News mentions

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