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Vulnerability record · CVE-2016-5116 · published 7 August 2016

CVE-2016-5116: Libgd memory buffer overflow vulnerability

Libgd · Libgd

gd_xbm.c in the GD Graphics Library (aka libgd) before 2.2.0, as used in certain custom PHP 5.5.x configurations, allows context-dependent attackers to obtain sensitive information from process memory or cause a denial of service (stack-based buffer under-read and application crash) via a long name.

9.1 CVSS 3.0 Critical EPSS 3.8% · top 10.3% CWE-119 · Memory buffer overflow
9.1CVSS 3.0 base score, v2 6.4
3.8%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
12References
17 Jun 2026Last modified by NVD

Description

gd_xbm.c in the GD Graphics Library (aka libgd) before 2.2.0, as used in certain custom PHP 5.5.x configurations, allows context-dependent attackers to obtain sensitive information from process memory or cause a denial of service (stack-based buffer under-read and application crash) via a long name.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://lists.opensuse.org/opensuse-updates/2016-09/msg00078.html Third Party Advisory
http://www.debian.org/security/2016/dsa-3619 Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/05/29/5 Mailing List
http://www.ubuntu.com/usn/USN-3030-1
https://github.com/libgd/libgd/commit/4dc1a2d7931017d3625f2d7cff70a17ce58b53b4 Issue TrackingPatchThird Party Advisory
https://github.com/libgd/libgd/issues/211 Issue TrackingThird Party Advisory
http://lists.opensuse.org/opensuse-updates/2016-09/msg00078.html Third Party Advisory
http://www.debian.org/security/2016/dsa-3619 Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/05/29/5 Mailing List
http://www.ubuntu.com/usn/USN-3030-1
https://github.com/libgd/libgd/commit/4dc1a2d7931017d3625f2d7cff70a17ce58b53b4 Issue TrackingPatchThird Party Advisory
https://github.com/libgd/libgd/issues/211 Issue TrackingThird Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2016-5116), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.