Use After Free in Struktur Libheif
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.
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.018 (78.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 79th percentile — 78.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000
Affected products
- Struktur Libheif — versions 1.4.0
Weakness classification (CWE)
References
- github.com/strukturag/libheif/issues/123 (Exploit, Patch, Third Party Advisory)
- github.com/strukturag/libheif/commit/995a4283d8ed2d0d2c1ceb1a577b993df2f0e014 (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-11471?
- CVE-2019-11471 is a high-severity vulnerability in Struktur Libheif, classified under Use After Free. CVSS score: 8.8/10. Published 2019-04-23.
- How severe is CVE-2019-11471?
- High severity. CVSS v3 base score is 8.8 out of 10.