What’s Vulnerable › Vulnerabilities

CVE-2016-10166

• Severity: critical (CVSS 9.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 10.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-03-15 · updated 2026-06-17
• Weakness: CWE-191

Description

Integer underflow in the _gdContributionsAlloc function in gd_interpolation.c in the GD Graphics Library (aka libgd) before 2.2.4 allows remote attackers to have unspecified impact via vectors related to decrementing the u variable.

Affected products

• Libgd: through 2.2.3

References

• http://libgd.github.io/release-2.2.4.html
• http://www.debian.org/security/2017/dsa-3777
• http://www.openwall.com/lists/oss-security/2017/01/26/1
• http://www.openwall.com/lists/oss-security/2017/01/28/6
• http://www.securityfocus.com/bid/95869
• https://access.redhat.com/errata/RHSA-2019:2519
• https://access.redhat.com/errata/RHSA-2019:3299
• https://github.com/libgd/libgd/commit/60bfb401ad5a4a8ae995dcd36372fe15c71e1a35
• http://libgd.github.io/release-2.2.4.html
• http://www.debian.org/security/2017/dsa-3777
• http://www.openwall.com/lists/oss-security/2017/01/26/1
• http://www.openwall.com/lists/oss-security/2017/01/28/6

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