CVE-2019-11471
CVSS v3
8.8
HIGH
EPSS Score
1.8 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
libheif 1.4.0 has a use-after-free in heif::HeifContext::Image::set_alpha_channel in heif_context.h because heif_context.cc mishandles references to non-existing alpha images.
Technical details
- Published
- 2019-04-23
Frequently asked questions
What is CVE-2019-11471?
libheif 1.4.0 has a use-after-free in heif::HeifContext::Image::set_alpha_channel in heif_context.h because heif_context.cc mishandles references to non-existing alpha images.
Is CVE-2019-11471 actively exploited?
Active exploitation of CVE-2019-11471 has not been confirmed. Its EPSS score was 1.8% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2019-11471?
CVE-2019-11471 has a CVSS v3 base score of 8.8 (HIGH severity).
Is CVE-2019-11471 affecting your environment?
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