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Fencer Vulns
medium 5.5

CVE-2017-6192 json

Buffer overflow in APNGDis 2.8 and earlier allows a remote attackers to cause denial of service and possibly execute arbitrary code via a c…

published 2018-02-20 8 y ago modified 2026-06-17 4 mo ago also EUVD-2017-15257

cvss
5.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
6.9%
EPSS 6.9% chance of exploitation in 30 days, percentile 94%
public exploits
1
Exploit-DB

Summary

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.

Timeline

  1. First public exploit (EDB-41668)
  2. Published

Exploit prediction

6.87% chance of exploitation in the next 30 days, higher than 94% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-41668 APNGDis 2.8 - 'chunk size descriptor' Heap Buffer Overflow dos, 2017-03-14
  • exploit-db.com https://www.exploit-db.com/exploits/41669/ referenced PoC, tagged "exploit" by a source, unverified
  • onvio.nl https://www.onvio.nl/nieuws/cve-2017-6191-apngdis-chunk-size-descriptor-buffer-overflow referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 5.5 CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:N/A:P

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.