CVE-2017-6192
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.
Does this matter?
A public exploit is published in Exploit-DB, so the technical barrier is gone even though the severity is medium and EPSS is 6.9%. Treat it as high on anything reachable from the internet.
Description
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.
- CVSS 3.0
- 5.5 MEDIUMCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- EPSS
- 6.87% probability · 94th percentile
- Public exploits
- 1 in Exploit-DB · first 14 March 2017
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- apng disassembler project/apng disassembler
- Source
- cve@mitre.org
EPSS moved from 9.5% on 21 September 2026 to 6.9% on 27 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://www.securityfocus.com/bid/97053Third Party Advisory, VDB Entry
- https://www.exploit-db.com/exploits/41668/Exploit, Third Party Advisory, VDB Entry
- https://www.exploit-db.com/exploits/41669/Exploit, Third Party Advisory, VDB Entry
- https://www.onvio.nl/nieuws/cve-2017-6191-apngdis-chunk-size-descriptor-buffer-overflowExploit, Third Party Advisory
- http://www.securityfocus.com/bid/97053Third Party Advisory, VDB Entry
- https://www.exploit-db.com/exploits/41668/Exploit, Third Party Advisory, VDB Entry
- https://www.exploit-db.com/exploits/41669/Exploit, Third Party Advisory, VDB Entry
- https://www.onvio.nl/nieuws/cve-2017-6191-apngdis-chunk-size-descriptor-buffer-overflowExploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.