Skip to content
Fencer Intel
high 7.8

CVE-2017-7231 json

pngdefry through 2017-03-22 is prone to a heap-based buffer-overflow vulnerability because it fails to properly process a specially crafted…

published 2017-03-22 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-16266

cvss
7.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.2%
EPSS 1.2% chance of exploitation in 30 days, percentile 67%
public exploits
0
none known

Summary

pngdefry through 2017-03-22 is prone to a heap-based buffer-overflow vulnerability because it fails to properly process a specially crafted png file. This issue affects the 'process()' function of the 'pngdefry.c' source file.

Exploit prediction

1.16% chance of exploitation in the next 30 days, higher than 67% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • github.com https://github.com/Tatsh/pngdefry/issues/1 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 7.8 CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

Classification

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

References

Sources

Fencer Intel 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.