CVE-2019-7317
libpng: use-after-free in png_image_free in png.c
Severity
LowRed Hat Product Security
CVSS 3.0
Review impact separately from score.
Published · January 25, 2019
Updated · June 28, 2026
Description
A vulnerability was found in libpng where a use-after-free issue exists in the png_image_free function within png.c. This vulnerability can be exploited by persuading a victim to open a specially crafted file, a remote attacker could exploit this vulnerability to cause a denial of service.
Statement
In general, this flaw cannot be exploited through email in Thunderbird because scripting is disabled when reading mail, but it is potentially a risk in browser or browser-like contexts.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.0 · 5.3CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H
CWE-400 · Uncontrolled Resource Consumption