Vulnerability Details : CVE-2016-9933

Stack consumption vulnerability in the gdImageFillToBorder function in gd.c in the GD Graphics Library (aka libgd) before 2.2.2, as used in PHP before 5.6.28 and 7.x before 7.0.13, allows remote attackers to cause a denial of service (segmentation violation) via a crafted imagefilltoborder call that triggers use of a negative color value.
Published 2017-01-04 20:59:00
Updated 2018-05-04 01:29:02
Source MITRE
View at NVD,   CVE.org
Vulnerability category: OverflowDenial of service

Products affected by CVE-2016-9933

  • Libgd » Libgd » Version: 2.2.1
    cpe:2.3:a:libgd:libgd:2.2.1:*:*:*:*:*:*:*
    Matching versions
    When used together with: PHP » PHP
    When used together with: PHP » PHP » Version: 7.0.0
    When used together with: PHP » PHP » Version: 7.0.1
    When used together with: PHP » PHP » Version: 7.0.2
    When used together with: PHP » PHP » Version: 7.0.3
    When used together with: PHP » PHP » Version: 7.0.4
    When used together with: PHP » PHP » Version: 7.0.5
    When used together with: PHP » PHP » Version: 7.0.6
    When used together with: PHP » PHP » Version: 7.0.7
    When used together with: PHP » PHP » Version: 7.0.8
    When used together with: PHP » PHP » Version: 7.0.9
    When used together with: PHP » PHP » Version: 7.0.10
    When used together with: PHP » PHP » Version: 7.0.11

Exploit prediction scoring system (EPSS) score for CVE-2016-9933

EPSS FAQ
13.57%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 95 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2016-9933

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
5.0
 MEDIUM AV:N/AC:L/Au:N/C:N/I:N/A:P
10.0
2.9
 NIST
7.5
 HIGH CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
3.9
3.6
 NIST

CWE ids for CVE-2016-9933

  • The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2016-9933

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