CVE-2019-11471

8.8 highEPSS 1.8%

High (8.8) in struktur libheif. EPSS 1.8% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.0

8.8 high

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS: 1.8% chance of exploitation in the next 30 days; higher than 78% of CVEs (scores of 2026-10-31)
CWE: CWE-416
Published: 2019-04-23
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

struktur:libheif

References

https://github.com/strukturag/libheif/commit/995a4283d8ed2d0d2c1ceb1a577b993df2f0e014
https://github.com/strukturag/libheif/issues/123
https://github.com/strukturag/libheif/commit/995a4283d8ed2d0d2c1ceb1a577b993df2f0e014
https://github.com/strukturag/libheif/issues/123

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