CVE-2016-7568
Integer overflow in the gdImageWebpCtx function in gd_webp.c in the GD Graphics Library (aka libgd) through 2.2.3, as used in PHP through 7.0.11, allows remote attackers to cause a denial of service
02 Description
Integer overflow in the gdImageWebpCtx function in gd_webp.c in the GD Graphics Library (aka libgd) through 2.2.3, as used in PHP through 7.0.11, allows remote attackers to cause a denial of service
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 5.10% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 91.9% of scored records. A rank, not a probability.
- NVD base score
- 9.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2016-09-28 20:00Z10 YR AGO
- Last updated
- 2024-08-06 02:04Z2 YR AGO
- Reserved
- 2016-09-09
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-190Integer Overflow or WraparoundBase
- Data version
- 5.1
- Document digest
- cfa6b0168394395deca2025bd44605a864961fde61534a5ce2f65c4ee51dde92
05 Affected products
06 References
- github.comhttps://github.com/php/php-src/commit/c18263e0e0769faee96a5d0ee04b750c442783c6
- www.debian.orgDSA-3693http://www.debian.org/security/2016/dsa-3693
- security.gentoo.orgGLSA-201612-09https://security.gentoo.org/glsa/201612-09
- bugs.php.nethttps://bugs.php.net/bug.php?id=73003
- github.comhttps://github.com/libgd/libgd/issues/308
- github.comhttps://github.com/libgd/libgd/commit/40bec0f38f50e8510f5bb71a82f516d46facde03
- www.securityfocus.com93184http://www.securityfocus.com/bid/93184
07 Fixed in
Arch Linux
- php Fixed in 7.0.13-1
Source: Arch Linux Security Tracker, the Arch Linux security team. Reformatted by exploit.cc.
Debian 12
- libgd2 Fixed in 2.2.3-87-gd0fec80-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- libgd2 Fixed in 2.2.3-87-gd0fec80-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- libgd2 Fixed in 2.2.3-87-gd0fec80-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 14.04 LTS
- libgd2 Fixed in 2.1.0-3ubuntu0.5
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- libgd2 Fixed in 2.1.1-4ubuntu0.16.04.5
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.