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Vulnerability details: VCID-89gd-h6gs-aaak
Vulnerability ID VCID-89gd-h6gs-aaak
Aliases CVE-2016-8670
Summary Integer signedness error in the dynamicGetbuf function in gd_io_dp.c in the GD Graphics Library (aka libgd) through 2.2.3, as used in PHP before 5.6.28 and 7.x before 7.0.13, allows remote attackers to cause a denial of service (stack-based buffer overflow) or possibly have unspecified other impact via a crafted imagecreatefromstring call.
Status Published
Exploitability 0.5
Weighted Severity 8.8
Risk 4.4
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-121 Stack-based Buffer Overflow
System Score Found at
generic_textual Medium http://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-8670.html
cvssv3 8.1 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2016-8670.json
epss 0.01746 https://api.first.org/data/v1/epss?cve=CVE-2016-8670
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epss 0.03873 https://api.first.org/data/v1/epss?cve=CVE-2016-8670
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epss 0.04705 https://api.first.org/data/v1/epss?cve=CVE-2016-8670
epss 0.04705 https://api.first.org/data/v1/epss?cve=CVE-2016-8670
epss 0.04705 https://api.first.org/data/v1/epss?cve=CVE-2016-8670
epss 0.04705 https://api.first.org/data/v1/epss?cve=CVE-2016-8670
rhbs medium https://bugzilla.redhat.com/show_bug.cgi?id=1391068
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-6911
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-7568
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-8670
cvssv2 6.8 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 7.5 https://nvd.nist.gov/vuln/detail/CVE-2016-8670
cvssv3 9.8 https://nvd.nist.gov/vuln/detail/CVE-2016-8670
archlinux High https://security.archlinux.org/AVG-58
generic_textual Medium https://ubuntu.com/security/notices/USN-3117-1
generic_textual Medium http://www.openwall.com/lists/oss-security/2016/10/15/1
generic_textual Low http://www.php.net/ChangeLog-5.php
Reference id Reference type URL
http://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-8670.html
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2016-8670.json
https://api.first.org/data/v1/epss?cve=CVE-2016-8670
https://bugs.php.net/bug.php?id=73280
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-6911
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-7568
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-8670
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://github.com/libgd/libgd/commit/53110871935244816bbb9d131da0bccff734bfe9
https://support.f5.com/csp/article/K21336065?utm_source=f5support&amp%3Butm_medium=RSS
https://support.f5.com/csp/article/K21336065?utm_source=f5support&utm_medium=RSS
https://ubuntu.com/security/notices/USN-3117-1
http://www.debian.org/security/2016/dsa-3693
http://www.openwall.com/lists/oss-security/2016/10/15/1
http://www.php.net/ChangeLog-5.php
http://www.php.net/ChangeLog-7.php
http://www.securityfocus.com/bid/93594
1391068 https://bugzilla.redhat.com/show_bug.cgi?id=1391068
840805 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=840805
ASA-201611-19 https://security.archlinux.org/ASA-201611-19
AVG-58 https://security.archlinux.org/AVG-58
CVE-2016-8670 https://nvd.nist.gov/vuln/detail/CVE-2016-8670
USN-3117-1 https://usn.ubuntu.com/3117-1/
No exploits are available.
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2016-8670.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2016-8670
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2016-8670
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.80866
EPSS Score 0.01746
Published At March 28, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
There are no relevant records.