Buffer overflow in APNGDis 2.8 and earlier allows a remote attackers to cause denial of service and possibly execute arbitrary code via a crafted image containing a malformed chunk size descriptor.
http://www.securityfocus.com/bid/97053
https://www.exploit-db.com/exploits/41669/
https://www.exploit-db.com/exploits/41668/
https://www.onvio.nl/nieuws/cve-2017-6191-apngdis-chunk-size-descriptor-buffer-overflow
Source: Mitre, NVD
Published: 2018-02-20
Updated: 2026-06-17
Base Score: 4.3
Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:P
Severity: Medium
Base Score: 5.5
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS: 0.0361