Skip to main content
HIGH

CVE-2019-9544

CVSS v3

8.8

HIGH

EPSS Score

1.6 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

An issue was discovered in Bento4 1.5.1-628. An out of bounds write occurs in AP4_CttsTableEntry::AP4_CttsTableEntry() located in Core/Ap4Array.h. It can be triggered by sending a crafted file to (for example) the mp42hls binary. It allows an attacker to cause Denial of Service (Segmentation fault) or possibly have unspecified other impact.

Technical details

Published
2019-03-01

Frequently asked questions

What is CVE-2019-9544?

An issue was discovered in Bento4 1.5.1-628. An out of bounds write occurs in AP4_CttsTableEntry::AP4_CttsTableEntry() located in Core/Ap4Array.h. It can be triggered by sending a crafted file to (for example) the mp42hls binary. It allows an attacker to cause Denial of Service (Segmentation fault) or possibly have unspecified other impact.

Is CVE-2019-9544 actively exploited?

Active exploitation of CVE-2019-9544 has not been confirmed. Its EPSS score was 1.6% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-9544?

CVE-2019-9544 has a CVSS v3 base score of 8.8 (HIGH severity).

Is CVE-2019-9544 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.

No credit card required · 500 free checks/month · Free API key