CVSS v3
8.8
HIGH
EPSS Score
2.0 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
FFmpeg through 4.2 has a "Conditional jump or move depends on uninitialised value" issue in h2645_parse because alloc_rbsp_buffer in libavcodec/h2645_parse.c mishandles rbsp_buffer.
Technical details
- Published
- 2019-09-05
Frequently asked questions
What is CVE-2019-15942?
FFmpeg through 4.2 has a "Conditional jump or move depends on uninitialised value" issue in h2645_parse because alloc_rbsp_buffer in libavcodec/h2645_parse.c mishandles rbsp_buffer.
Is CVE-2019-15942 actively exploited?
Active exploitation of CVE-2019-15942 has not been confirmed. Its EPSS score was 2.0% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2019-15942?
CVE-2019-15942 has a CVSS v3 base score of 8.8 (HIGH severity).
Is CVE-2019-15942 affecting your environment?
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