CVE-2019-9639
CVSS v3
7.5
HIGH
EPSS Score
8.2 %
exploit probability, as of 2026-10-04
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
An issue was discovered in the EXIF component in PHP before 7.1.27, 7.2.x before 7.2.16, and 7.3.x before 7.3.3. There is an uninitialized read in exif_process_IFD_in_MAKERNOTE because of mishandling the data_len variable.
Technical details
- Published
- 2019-03-09
Frequently asked questions
What is CVE-2019-9639?
An issue was discovered in the EXIF component in PHP before 7.1.27, 7.2.x before 7.2.16, and 7.3.x before 7.3.3. There is an uninitialized read in exif_process_IFD_in_MAKERNOTE because of mishandling the data_len variable.
Is CVE-2019-9639 actively exploited?
Active exploitation of CVE-2019-9639 has not been confirmed. Its EPSS score was 8.2% on 2026-10-04, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2019-9639?
CVE-2019-9639 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2019-9639 affecting your environment?
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