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Vulnerability details: VCID-wd4x-n5uy-aaab
Vulnerability ID VCID-wd4x-n5uy-aaab
Aliases CVE-2016-1521
Summary The directrun function in directmachine.cpp in Libgraphite in Graphite 2 1.2.4, as used in Mozilla Firefox before 43.0 and Firefox ESR 38.x before 38.6.1, does not validate a certain skip operation, which allows remote attackers to execute arbitrary code, obtain sensitive information, or cause a denial of service (out-of-bounds read and application crash) via a crafted Graphite smart font.
Status Published
Exploitability 0.5
Weighted Severity 9.0
Risk 4.5
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-125 Out-of-bounds Read
System Score Found at
generic_textual Medium http://blog.talosintel.com/2016/02/vulnerability-spotlight-libgraphite.html
rhas Critical https://access.redhat.com/errata/RHSA-2016:0197
rhas Important https://access.redhat.com/errata/RHSA-2016:0258
rhas Important https://access.redhat.com/errata/RHSA-2016:0594
epss 0.00846 https://api.first.org/data/v1/epss?cve=CVE-2016-1521
epss 0.00846 https://api.first.org/data/v1/epss?cve=CVE-2016-1521
epss 0.00846 https://api.first.org/data/v1/epss?cve=CVE-2016-1521
epss 0.00846 https://api.first.org/data/v1/epss?cve=CVE-2016-1521
epss 0.00846 https://api.first.org/data/v1/epss?cve=CVE-2016-1521
epss 0.00846 https://api.first.org/data/v1/epss?cve=CVE-2016-1521
epss 0.00846 https://api.first.org/data/v1/epss?cve=CVE-2016-1521
epss 0.00846 https://api.first.org/data/v1/epss?cve=CVE-2016-1521
epss 0.00846 https://api.first.org/data/v1/epss?cve=CVE-2016-1521
epss 0.00846 https://api.first.org/data/v1/epss?cve=CVE-2016-1521
epss 0.00846 https://api.first.org/data/v1/epss?cve=CVE-2016-1521
epss 0.00846 https://api.first.org/data/v1/epss?cve=CVE-2016-1521
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epss 0.00846 https://api.first.org/data/v1/epss?cve=CVE-2016-1521
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epss 0.00846 https://api.first.org/data/v1/epss?cve=CVE-2016-1521
epss 0.00846 https://api.first.org/data/v1/epss?cve=CVE-2016-1521
epss 0.00846 https://api.first.org/data/v1/epss?cve=CVE-2016-1521
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epss 0.00846 https://api.first.org/data/v1/epss?cve=CVE-2016-1521
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epss 0.00846 https://api.first.org/data/v1/epss?cve=CVE-2016-1521
epss 0.00846 https://api.first.org/data/v1/epss?cve=CVE-2016-1521
epss 0.00846 https://api.first.org/data/v1/epss?cve=CVE-2016-1521
epss 0.00846 https://api.first.org/data/v1/epss?cve=CVE-2016-1521
epss 0.00846 https://api.first.org/data/v1/epss?cve=CVE-2016-1521
epss 0.00846 https://api.first.org/data/v1/epss?cve=CVE-2016-1521
epss 0.00846 https://api.first.org/data/v1/epss?cve=CVE-2016-1521
epss 0.00846 https://api.first.org/data/v1/epss?cve=CVE-2016-1521
epss 0.01886 https://api.first.org/data/v1/epss?cve=CVE-2016-1521
epss 0.01886 https://api.first.org/data/v1/epss?cve=CVE-2016-1521
epss 0.01886 https://api.first.org/data/v1/epss?cve=CVE-2016-1521
epss 0.01886 https://api.first.org/data/v1/epss?cve=CVE-2016-1521
epss 0.02115 https://api.first.org/data/v1/epss?cve=CVE-2016-1521
epss 0.02115 https://api.first.org/data/v1/epss?cve=CVE-2016-1521
epss 0.02115 https://api.first.org/data/v1/epss?cve=CVE-2016-1521
epss 0.02115 https://api.first.org/data/v1/epss?cve=CVE-2016-1521
epss 0.02115 https://api.first.org/data/v1/epss?cve=CVE-2016-1521
epss 0.02115 https://api.first.org/data/v1/epss?cve=CVE-2016-1521
epss 0.02115 https://api.first.org/data/v1/epss?cve=CVE-2016-1521
epss 0.02115 https://api.first.org/data/v1/epss?cve=CVE-2016-1521
epss 0.02115 https://api.first.org/data/v1/epss?cve=CVE-2016-1521
epss 0.02115 https://api.first.org/data/v1/epss?cve=CVE-2016-1521
epss 0.02115 https://api.first.org/data/v1/epss?cve=CVE-2016-1521
epss 0.02115 https://api.first.org/data/v1/epss?cve=CVE-2016-1521
epss 0.03033 https://api.first.org/data/v1/epss?cve=CVE-2016-1521
rhbs high https://bugzilla.redhat.com/show_bug.cgi?id=1305805
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-1523
cvssv2 6.8 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3.1 8.1 https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05390722
generic_textual HIGH https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05390722
cvssv2 6.8 https://nvd.nist.gov/vuln/detail/CVE-2016-1521
cvssv3 8.8 https://nvd.nist.gov/vuln/detail/CVE-2016-1521
cvssv3.1 8.8 http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
generic_textual HIGH http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
generic_textual Low http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
Reference id Reference type URL
http://blog.talosintel.com/2016/02/vulnerability-spotlight-libgraphite.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177520.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-May/184623.html
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00052.html
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00058.html
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00088.html
http://rhn.redhat.com/errata/RHSA-2016-0197.html
http://rhn.redhat.com/errata/RHSA-2016-0258.html
http://rhn.redhat.com/errata/RHSA-2016-0594.html
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2016-1521.json
https://api.first.org/data/v1/epss?cve=CVE-2016-1521
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-1521
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-1522
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-1523
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-1526
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05390722
https://security.gentoo.org/glsa/201701-35
https://security.gentoo.org/glsa/201701-63
http://www.debian.org/security/2016/dsa-3479
http://www.mozilla.org/security/announce/2016/mfsa2016-14.html
http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
http://www.securityfocus.com/bid/82991
http://www.ubuntu.com/usn/USN-2902-1
1305805 https://bugzilla.redhat.com/show_bug.cgi?id=1305805
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:38.0.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:firefox:38.0.1:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:38.0.5:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:firefox:38.0.5:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:38.1.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:firefox:38.1.0:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:38.1.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:firefox:38.1.1:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:38.2.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:firefox:38.2.0:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:38.2.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:firefox:38.2.1:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:38.3.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:firefox:38.3.0:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:38.4.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:firefox:38.4.0:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:38.5.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:firefox:38.5.0:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:38.5.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:firefox:38.5.1:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:38.5.2:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:firefox:38.5.2:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:38.6.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:firefox:38.6.0:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox_esr:38.0.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:firefox_esr:38.0.1:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox_esr:38.0.5:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:firefox_esr:38.0.5:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox_esr:38.1.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:firefox_esr:38.1.0:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox_esr:38.1.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:firefox_esr:38.1.1:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox_esr:38.2.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:firefox_esr:38.2.0:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox_esr:38.2.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:firefox_esr:38.2.1:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox_esr:38.3.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:firefox_esr:38.3.0:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox_esr:38.4.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:firefox_esr:38.4.0:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox_esr:38.5.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:firefox_esr:38.5.0:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox_esr:38.5.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:firefox_esr:38.5.1:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox_esr:38.5.2:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:firefox_esr:38.5.2:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox_esr:38.6.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:firefox_esr:38.6.0:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
cpe:2.3:a:sil:graphite2:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:sil:graphite2:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:22:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:22:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:23:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:23:*:*:*:*:*:*:*
CVE-2016-1521 https://nvd.nist.gov/vuln/detail/CVE-2016-1521
RHSA-2016:0197 https://access.redhat.com/errata/RHSA-2016:0197
RHSA-2016:0258 https://access.redhat.com/errata/RHSA-2016:0258
RHSA-2016:0594 https://access.redhat.com/errata/RHSA-2016:0594
USN-2902-1 https://usn.ubuntu.com/2902-1/
No exploits are available.
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: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05390722
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://nvd.nist.gov/vuln/detail/CVE-2016-1521
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:R/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2016-1521
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: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
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 0.72712
EPSS Score 0.00846
Published At March 28, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
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