CVE-2026-120243 - FFmpeg 2.0 through 9.0.2 Information Disclosure via G2M Kempf Palette

CVE-2026-120243 - FFmpeg 2.0 through 9.0.2 Information Disclosure via G2M Kempf Palette

https://cvefeed.io/rssfeed/latest.atom / Sun, 11/01/2026 - 04:27
CVE ID :CVE-2026-120243
Published : Nov. 1, 2026, 1:17 a.m. | 2 hours, 7 minutes ago
Description :FFmpeg 2.0 through 9.0.2 contains a use of uninitialized variable vulnerability in the Go2Meeting decoder that allows attackers to leak stack memory through out-of-range palette indices. Attackers can craft a G2M3/G2M4 stream with a short Kempf palette so kempf_restore_buf() copies uninitialized stack bytes, including pointers or stack guards, into decoded output.
Severity: 6.8 | MEDIUM
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