png_image_free in png.c in libpng 1.6.36 has a use-after-free because png_image_free_function is called under png_safe_execute.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2019-7317 from the MITRE CVE dictionary dictionary and NIST NVD.
NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.
CVSS3 Base Score | 3.3 |
---|---|
CVSS3 Base Metrics | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L |
Attack Vector | Local |
Attack Complexity | Low |
Privileges Required | None |
User Interaction | Required |
Scope | Unchanged |
Confidentiality | None |
Integrity Impact | None |
Availability Impact | Low |
Platform | Package | State |
---|---|---|
Red Hat Virtualization 4 | libpng | Under investigation |
Red Hat Enterprise Linux 7 | libpng | Under investigation |
Red Hat Enterprise Linux 7 | libpng12 | Under investigation |
Red Hat Enterprise Linux 6 | libpng | Under investigation |
Red Hat Enterprise Linux 5 | libpng | Under investigation |