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Vulnerability details: VCID-584c-kb45-aaaj
Vulnerability ID VCID-584c-kb45-aaaj
Aliases CVE-2016-5273
Summary The mozilla::a11y::HyperTextAccessible::GetChildOffset function in the accessibility implementation in Mozilla Firefox before 49.0 allows remote attackers to execute arbitrary code via a crafted web site.
Status Published
Exploitability 0.5
Weighted Severity 9.0
Risk 4.5
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-284 Improper Access Control
System Score Found at
generic_textual Medium http://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-5273.html
cvssv3 8.8 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2016-5273.json
epss 0.00575 https://api.first.org/data/v1/epss?cve=CVE-2016-5273
epss 0.00575 https://api.first.org/data/v1/epss?cve=CVE-2016-5273
epss 0.00575 https://api.first.org/data/v1/epss?cve=CVE-2016-5273
epss 0.00575 https://api.first.org/data/v1/epss?cve=CVE-2016-5273
epss 0.00575 https://api.first.org/data/v1/epss?cve=CVE-2016-5273
epss 0.00575 https://api.first.org/data/v1/epss?cve=CVE-2016-5273
epss 0.00575 https://api.first.org/data/v1/epss?cve=CVE-2016-5273
epss 0.00575 https://api.first.org/data/v1/epss?cve=CVE-2016-5273
epss 0.00575 https://api.first.org/data/v1/epss?cve=CVE-2016-5273
epss 0.00575 https://api.first.org/data/v1/epss?cve=CVE-2016-5273
epss 0.00575 https://api.first.org/data/v1/epss?cve=CVE-2016-5273
epss 0.00575 https://api.first.org/data/v1/epss?cve=CVE-2016-5273
epss 0.00575 https://api.first.org/data/v1/epss?cve=CVE-2016-5273
epss 0.00575 https://api.first.org/data/v1/epss?cve=CVE-2016-5273
epss 0.00575 https://api.first.org/data/v1/epss?cve=CVE-2016-5273
epss 0.00575 https://api.first.org/data/v1/epss?cve=CVE-2016-5273
epss 0.00575 https://api.first.org/data/v1/epss?cve=CVE-2016-5273
epss 0.00575 https://api.first.org/data/v1/epss?cve=CVE-2016-5273
epss 0.00575 https://api.first.org/data/v1/epss?cve=CVE-2016-5273
epss 0.00575 https://api.first.org/data/v1/epss?cve=CVE-2016-5273
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epss 0.00585 https://api.first.org/data/v1/epss?cve=CVE-2016-5273
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epss 0.00585 https://api.first.org/data/v1/epss?cve=CVE-2016-5273
epss 0.00585 https://api.first.org/data/v1/epss?cve=CVE-2016-5273
epss 0.00585 https://api.first.org/data/v1/epss?cve=CVE-2016-5273
epss 0.00585 https://api.first.org/data/v1/epss?cve=CVE-2016-5273
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epss 0.00585 https://api.first.org/data/v1/epss?cve=CVE-2016-5273
epss 0.00585 https://api.first.org/data/v1/epss?cve=CVE-2016-5273
epss 0.00585 https://api.first.org/data/v1/epss?cve=CVE-2016-5273
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epss 0.00585 https://api.first.org/data/v1/epss?cve=CVE-2016-5273
epss 0.00585 https://api.first.org/data/v1/epss?cve=CVE-2016-5273
epss 0.00585 https://api.first.org/data/v1/epss?cve=CVE-2016-5273
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epss 0.00585 https://api.first.org/data/v1/epss?cve=CVE-2016-5273
epss 0.00585 https://api.first.org/data/v1/epss?cve=CVE-2016-5273
epss 0.00585 https://api.first.org/data/v1/epss?cve=CVE-2016-5273
epss 0.00585 https://api.first.org/data/v1/epss?cve=CVE-2016-5273
epss 0.00585 https://api.first.org/data/v1/epss?cve=CVE-2016-5273
epss 0.00585 https://api.first.org/data/v1/epss?cve=CVE-2016-5273
epss 0.00585 https://api.first.org/data/v1/epss?cve=CVE-2016-5273
epss 0.00585 https://api.first.org/data/v1/epss?cve=CVE-2016-5273
epss 0.00585 https://api.first.org/data/v1/epss?cve=CVE-2016-5273
epss 0.00585 https://api.first.org/data/v1/epss?cve=CVE-2016-5273
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epss 0.00585 https://api.first.org/data/v1/epss?cve=CVE-2016-5273
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epss 0.00585 https://api.first.org/data/v1/epss?cve=CVE-2016-5273
epss 0.00585 https://api.first.org/data/v1/epss?cve=CVE-2016-5273
epss 0.00585 https://api.first.org/data/v1/epss?cve=CVE-2016-5273
epss 0.00585 https://api.first.org/data/v1/epss?cve=CVE-2016-5273
epss 0.00585 https://api.first.org/data/v1/epss?cve=CVE-2016-5273
epss 0.00585 https://api.first.org/data/v1/epss?cve=CVE-2016-5273
epss 0.00585 https://api.first.org/data/v1/epss?cve=CVE-2016-5273
epss 0.00585 https://api.first.org/data/v1/epss?cve=CVE-2016-5273
epss 0.00585 https://api.first.org/data/v1/epss?cve=CVE-2016-5273
epss 0.00952 https://api.first.org/data/v1/epss?cve=CVE-2016-5273
epss 0.00952 https://api.first.org/data/v1/epss?cve=CVE-2016-5273
epss 0.00952 https://api.first.org/data/v1/epss?cve=CVE-2016-5273
epss 0.01000 https://api.first.org/data/v1/epss?cve=CVE-2016-5273
epss 0.01000 https://api.first.org/data/v1/epss?cve=CVE-2016-5273
epss 0.01000 https://api.first.org/data/v1/epss?cve=CVE-2016-5273
epss 0.01000 https://api.first.org/data/v1/epss?cve=CVE-2016-5273
epss 0.01000 https://api.first.org/data/v1/epss?cve=CVE-2016-5273
epss 0.01000 https://api.first.org/data/v1/epss?cve=CVE-2016-5273
epss 0.01000 https://api.first.org/data/v1/epss?cve=CVE-2016-5273
epss 0.01000 https://api.first.org/data/v1/epss?cve=CVE-2016-5273
epss 0.01000 https://api.first.org/data/v1/epss?cve=CVE-2016-5273
epss 0.01000 https://api.first.org/data/v1/epss?cve=CVE-2016-5273
epss 0.01000 https://api.first.org/data/v1/epss?cve=CVE-2016-5273
epss 0.01044 https://api.first.org/data/v1/epss?cve=CVE-2016-5273
rhbs high https://bugzilla.redhat.com/show_bug.cgi?id=1377669
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5273
cvssv2 6.8 https://nvd.nist.gov/vuln/detail/CVE-2016-5273
cvssv3 8.8 https://nvd.nist.gov/vuln/detail/CVE-2016-5273
archlinux Critical https://security.archlinux.org/AVG-24
generic_textual Medium https://ubuntu.com/security/notices/USN-3076-1
generic_textual critical https://www.mozilla.org/en-US/security/advisories/mfsa2016-85
generic_textual Medium https://www.mozilla.org/en-US/security/advisories/mfsa2016-85/
Reference id Reference type URL
http://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-5273.html
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2016-5273.json
https://api.first.org/data/v1/epss?cve=CVE-2016-5273
https://bugzilla.mozilla.org/show_bug.cgi?id=1280387
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5273
https://security.gentoo.org/glsa/201701-15
https://ubuntu.com/security/notices/USN-3076-1
https://www.mozilla.org/en-US/security/advisories/mfsa2016-85/
http://www.mozilla.org/security/announce/2016/mfsa2016-85.html
http://www.securityfocus.com/bid/93052
http://www.securitytracker.com/id/1036852
1377669 https://bugzilla.redhat.com/show_bug.cgi?id=1377669
ASA-201609-22 https://security.archlinux.org/ASA-201609-22
AVG-24 https://security.archlinux.org/AVG-24
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:*:*:*:*:*:*:*:*
CVE-2016-5273 https://nvd.nist.gov/vuln/detail/CVE-2016-5273
mfsa2016-85 https://www.mozilla.org/en-US/security/advisories/mfsa2016-85
USN-3076-1 https://usn.ubuntu.com/3076-1/
No exploits are available.
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2016-5273.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://nvd.nist.gov/vuln/detail/CVE-2016-5273
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-2016-5273
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 0.67618
EPSS Score 0.00575
Published At May 26, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
There are no relevant records.