What’s Vulnerable › Vulnerabilities

CVE-2019-11471

• Severity: high (CVSS 8.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2019-04-23 · updated 2026-06-17
• Weakness: CWE-416

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.

Affected products

• strukturag libheif: 1.4.0

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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