oc_huff_tree_unpack in huffdec.c in libtheora in Theora through 1.0 7180717 has an invalid negative left shift. NOTE: this is disputed by third parties because there is no evidence of a security impact, e.g., an application would not crash.
Libtheora: libtheora: denial of service or information disclosure via malformed avi file processing
Published 2026-04-06 · Analyzed
7.1EPSS 0.002
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