CVE-2019-11471 — HIGH (8.8)

Vulnerability 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 Score

8.8

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Struktur	Libheif	1.4.0

Related Weaknesses (CWE)

CWE-416

References

https://github.com/strukturag/libheif/commit/995a4283d8ed2d0d2c1ceb1a577b993df2fPatchThird Party Advisory
https://github.com/strukturag/libheif/issues/123ExploitPatchThird Party Advisory
https://github.com/strukturag/libheif/commit/995a4283d8ed2d0d2c1ceb1a577b993df2fPatchThird Party Advisory
https://github.com/strukturag/libheif/issues/123ExploitPatchThird Party Advisory

FAQ

What is CVE-2019-11471?

CVE-2019-11471 is a vulnerability with a CVSS score of 8.8 (HIGH). 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.

How severe is CVE-2019-11471?

CVE-2019-11471 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2019-11471?

Check the references section above for vendor advisories and patch information. Affected products include: Struktur Libheif.