VulnerabilityModified
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.
HIGH 8.8EPSS 1.84%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.84%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.0
- 8.8 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 1.84% probability · 78th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-416
- Affected
- struktur/libheif
- Source
- cve@mitre.org
References
- https://github.com/strukturag/libheif/commit/995a4283d8ed2d0d2c1ceb1a577b993df2f0e014Patch, Third Party Advisory
- https://github.com/strukturag/libheif/issues/123Exploit, Patch, Third Party Advisory
- https://github.com/strukturag/libheif/commit/995a4283d8ed2d0d2c1ceb1a577b993df2f0e014Patch, Third Party Advisory
- https://github.com/strukturag/libheif/issues/123Exploit, Patch, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.