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Fencer Intel
high 7.8

CVE-2016-5735 json

Integer overflow in the rwpng_read_image24_libpng function in rwpng.c in pngquant 2.7.0 allows remote attackers to have unspecified impact…

published 2017-05-23 9 y ago modified 2026-06-17 4 mo ago also EUVD-2016-6670

cvss
7.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.8%
EPSS 1.8% chance of exploitation in 30 days, percentile 78%
public exploits
0
none known

Summary

Integer overflow in the rwpng_read_image24_libpng function in rwpng.c in pngquant 2.7.0 allows remote attackers to have unspecified impact via a crafted PNG file, which triggers a buffer overflow.

Patch / fix

  • pngquant Debian 14, Debian 13, Debian 12 2.5.0-2

debian advisories DEBIAN-CVE-2016-5735

  • libpng16 openSUSE Tumbleweed 1.6.37-3.3

opensuse advisories openSUSE-SU-2024:10972-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2016-5735 updated cvss 7.8

pngquant: integer overflow in the rwpng_read_image24_libpng function in rwpng.c

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.80% chance of exploitation in the next 30 days, higher than 78% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • sf.snu.ac.kr http://sf.snu.ac.kr/gil.hur/publications/shovel.pdf 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-190 Integer Overflow or Wraparound

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.