What is CVE-2017-6960?

CVE-2017-6960 is a high-severity vulnerability in Apng2gif Project, classified under Integer Overflow or Wraparound. CVSS score: 7.5/10. Published 2017-03-17.

How severe is CVE-2017-6960?

High severity. CVSS v3 base score is 7.5 out of 10.

Integer overflow in Apng2gif Project

CVE-2017-6960

An issue was discovered in apng2gif 1.7. There is an integer overflow resulting in a heap-based buffer over-read, related to the load_apng function and the imagesize variable.

Vulnerability class: Integer Overflow

Published 2017-03-17 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.018 (77.7th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 77.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000

Affected products

Apng2gif Project — versions 1.7
Canonical Ubuntu Linux — versions 16.04
Debian Linux — versions 8.0

Weakness classification (CWE)

CWE-190 — Integer Overflow or Wraparound

References

bugs.debian.org/cgi-bin/bugreport.cgi (Third Party Advisory, Issue Tracking)
lists.debian.org/debian-lts-announce/2020/03/msg00039.html (mailing-list, Mailing List, Third Party Advisory)
usn.ubuntu.com/4513-1/ (vendor-advisory, Third Party Advisory)

Frequently asked questions

What is CVE-2017-6960?: CVE-2017-6960 is a high-severity vulnerability in Apng2gif Project, classified under Integer Overflow or Wraparound. CVSS score: 7.5/10. Published 2017-03-17.
How severe is CVE-2017-6960?: High severity. CVSS v3 base score is 7.5 out of 10.