What is CVE-2016-8683?

CVE-2016-8683 is a high-severity vulnerability in Graphicsmagick, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2017-02-15.

How severe is CVE-2016-8683?

High severity. CVSS v3 base score is 7.8 out of 10.

Is CVE-2016-8683 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Graphicsmagick

CVE-2016-8683

The ReadPCXImage function in coders/pcx.c in GraphicsMagick 1.3.25 allows remote attackers to have unspecified impact via a crafted image, which triggers a memory allocation failure and a "file truncation error for corrupt file."

Vulnerability class: Buffer Overflow

Published 2017-02-15 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.018 (78.0th percentile), scored 2026-09-28.

Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 78.0% 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

Graphicsmagick — versions 1.3.25
Debian Linux — versions 8.0
openSUSE — versions 13.2

Weakness classification (CWE)

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

Public proof-of-concept exploits

mrash/afl-cve

References

blogs.gentoo.org/ago/2016/09/15/graphicsmagick-memory-allocation-failure-in-rea… (Patch, VDB Entry, Third Party Advisory)
lists.opensuse.org/opensuse-updates/2016-10/msg00094.html (vendor-advisory, Third Party Advisory)
www.openwall.com/lists/oss-security/2016/10/16/7 (mailing-list, Patch, Mailing List, Third Party Advisory)
bugzilla.redhat.com/show_bug.cgi (Patch, Issue Tracking)
www.debian.org/security/2016/dsa-3746 (vendor-advisory, Third Party Advisory)
www.securityfocus.com/bid/93600 (VDB Entry, Third Party Advisory, vdb-entry)
hg.code.sf.net/p/graphicsmagick/code/rev/b9edafd479b9 (Patch, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2016-8683?: CVE-2016-8683 is a high-severity vulnerability in Graphicsmagick, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2017-02-15.
How severe is CVE-2016-8683?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2016-8683 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.