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Vulnerability details: VCID-mhc7-38eq-xqh2
Vulnerability ID VCID-mhc7-38eq-xqh2
Aliases CVE-2016-9066
Summary A buffer overflow resulting in a potentially exploitable crash due to memory allocation issues when handling large amounts of incoming data.
Status Published
Exploitability 0.5
Weighted Severity 9.0
Risk 4.5
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
System Score Found at
cvssv3 7.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2016-9066.json
epss 0.20609 https://api.first.org/data/v1/epss?cve=CVE-2016-9066
epss 0.20609 https://api.first.org/data/v1/epss?cve=CVE-2016-9066
epss 0.20609 https://api.first.org/data/v1/epss?cve=CVE-2016-9066
epss 0.20609 https://api.first.org/data/v1/epss?cve=CVE-2016-9066
epss 0.20609 https://api.first.org/data/v1/epss?cve=CVE-2016-9066
epss 0.20609 https://api.first.org/data/v1/epss?cve=CVE-2016-9066
epss 0.20609 https://api.first.org/data/v1/epss?cve=CVE-2016-9066
epss 0.20609 https://api.first.org/data/v1/epss?cve=CVE-2016-9066
epss 0.20609 https://api.first.org/data/v1/epss?cve=CVE-2016-9066
epss 0.20609 https://api.first.org/data/v1/epss?cve=CVE-2016-9066
cvssv2 6.8 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 5.0 https://nvd.nist.gov/vuln/detail/CVE-2016-9066
cvssv3 7.5 https://nvd.nist.gov/vuln/detail/CVE-2016-9066
archlinux Critical https://security.archlinux.org/AVG-72
generic_textual critical https://www.mozilla.org/en-US/security/advisories/mfsa2016-89
generic_textual critical https://www.mozilla.org/en-US/security/advisories/mfsa2016-90
generic_textual critical https://www.mozilla.org/en-US/security/advisories/mfsa2016-93
Reference id Reference type URL
http://rhn.redhat.com/errata/RHSA-2016-2780.html
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2016-9066.json
https://api.first.org/data/v1/epss?cve=CVE-2016-9066
https://bugzilla.mozilla.org/show_bug.cgi?id=1299686
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5290
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5291
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5296
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5297
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-9064
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-9066
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-9074
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-9079
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://www.mozilla.org/security/advisories/mfsa2016-89/
https://www.mozilla.org/security/advisories/mfsa2016-90/
https://www.mozilla.org/security/advisories/mfsa2016-93/
http://www.securityfocus.com/bid/94336
http://www.securitytracker.com/id/1037298
1395061 https://bugzilla.redhat.com/show_bug.cgi?id=1395061
ASA-201611-16 https://security.archlinux.org/ASA-201611-16
AVG-72 https://security.archlinux.org/AVG-72
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_esr:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
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: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:*:*:*:*:*:*:*
CVE-2016-9066 https://nvd.nist.gov/vuln/detail/CVE-2016-9066
mfsa2016-89 https://www.mozilla.org/en-US/security/advisories/mfsa2016-89
mfsa2016-90 https://www.mozilla.org/en-US/security/advisories/mfsa2016-90
mfsa2016-93 https://www.mozilla.org/en-US/security/advisories/mfsa2016-93
RHSA-2016:2780 https://access.redhat.com/errata/RHSA-2016:2780
USN-3124-1 https://usn.ubuntu.com/3124-1/
USN-3141-1 https://usn.ubuntu.com/3141-1/
No exploits are available.
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2016-9066.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:N/I:N/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2016-9066
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:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2016-9066
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 0.95335
EPSS Score 0.20609
Published At Aug. 12, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:09:13.030881+00:00 Mozilla Importer Import https://github.com/mozilla/foundation-security-advisories/blob/master/announce/2016/mfsa2016-93.yml 37.0.0