Search for vulnerabilities
Vulnerability details: VCID-2bpp-tjhy-aaaj
Vulnerability ID VCID-2bpp-tjhy-aaaj
Aliases CVE-2016-5270
Summary Heap-based buffer overflow in the nsCaseTransformTextRunFactory::TransformString function in Mozilla Firefox before 49.0, Firefox ESR 45.x before 45.4, and Thunderbird < 45.4 allows remote attackers to cause a denial of service (boolean out-of-bounds write) or possibly have unspecified other impact via Unicode characters that are mishandled during text conversion.
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-787 Out-of-bounds Write
System Score Found at
generic_textual Medium http://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-5270.html
rhas Critical https://access.redhat.com/errata/RHSA-2016:1912
cvssv3 9.8 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2016-5270.json
epss 0.02647 https://api.first.org/data/v1/epss?cve=CVE-2016-5270
epss 0.02647 https://api.first.org/data/v1/epss?cve=CVE-2016-5270
epss 0.02647 https://api.first.org/data/v1/epss?cve=CVE-2016-5270
epss 0.02647 https://api.first.org/data/v1/epss?cve=CVE-2016-5270
epss 0.02647 https://api.first.org/data/v1/epss?cve=CVE-2016-5270
epss 0.02647 https://api.first.org/data/v1/epss?cve=CVE-2016-5270
epss 0.02647 https://api.first.org/data/v1/epss?cve=CVE-2016-5270
epss 0.02647 https://api.first.org/data/v1/epss?cve=CVE-2016-5270
epss 0.02647 https://api.first.org/data/v1/epss?cve=CVE-2016-5270
epss 0.02647 https://api.first.org/data/v1/epss?cve=CVE-2016-5270
epss 0.02647 https://api.first.org/data/v1/epss?cve=CVE-2016-5270
epss 0.02647 https://api.first.org/data/v1/epss?cve=CVE-2016-5270
epss 0.02647 https://api.first.org/data/v1/epss?cve=CVE-2016-5270
epss 0.02647 https://api.first.org/data/v1/epss?cve=CVE-2016-5270
epss 0.02647 https://api.first.org/data/v1/epss?cve=CVE-2016-5270
epss 0.02647 https://api.first.org/data/v1/epss?cve=CVE-2016-5270
epss 0.02647 https://api.first.org/data/v1/epss?cve=CVE-2016-5270
epss 0.02647 https://api.first.org/data/v1/epss?cve=CVE-2016-5270
epss 0.02647 https://api.first.org/data/v1/epss?cve=CVE-2016-5270
epss 0.02647 https://api.first.org/data/v1/epss?cve=CVE-2016-5270
epss 0.02647 https://api.first.org/data/v1/epss?cve=CVE-2016-5270
epss 0.02647 https://api.first.org/data/v1/epss?cve=CVE-2016-5270
epss 0.02647 https://api.first.org/data/v1/epss?cve=CVE-2016-5270
epss 0.02647 https://api.first.org/data/v1/epss?cve=CVE-2016-5270
epss 0.02647 https://api.first.org/data/v1/epss?cve=CVE-2016-5270
epss 0.02647 https://api.first.org/data/v1/epss?cve=CVE-2016-5270
epss 0.02647 https://api.first.org/data/v1/epss?cve=CVE-2016-5270
epss 0.02647 https://api.first.org/data/v1/epss?cve=CVE-2016-5270
epss 0.02647 https://api.first.org/data/v1/epss?cve=CVE-2016-5270
epss 0.02647 https://api.first.org/data/v1/epss?cve=CVE-2016-5270
epss 0.02647 https://api.first.org/data/v1/epss?cve=CVE-2016-5270
epss 0.02647 https://api.first.org/data/v1/epss?cve=CVE-2016-5270
epss 0.02647 https://api.first.org/data/v1/epss?cve=CVE-2016-5270
epss 0.02647 https://api.first.org/data/v1/epss?cve=CVE-2016-5270
epss 0.02647 https://api.first.org/data/v1/epss?cve=CVE-2016-5270
epss 0.02647 https://api.first.org/data/v1/epss?cve=CVE-2016-5270
epss 0.02647 https://api.first.org/data/v1/epss?cve=CVE-2016-5270
epss 0.02647 https://api.first.org/data/v1/epss?cve=CVE-2016-5270
epss 0.02647 https://api.first.org/data/v1/epss?cve=CVE-2016-5270
epss 0.02647 https://api.first.org/data/v1/epss?cve=CVE-2016-5270
epss 0.02647 https://api.first.org/data/v1/epss?cve=CVE-2016-5270
epss 0.02647 https://api.first.org/data/v1/epss?cve=CVE-2016-5270
epss 0.02647 https://api.first.org/data/v1/epss?cve=CVE-2016-5270
epss 0.02647 https://api.first.org/data/v1/epss?cve=CVE-2016-5270
epss 0.02647 https://api.first.org/data/v1/epss?cve=CVE-2016-5270
epss 0.02647 https://api.first.org/data/v1/epss?cve=CVE-2016-5270
epss 0.02647 https://api.first.org/data/v1/epss?cve=CVE-2016-5270
epss 0.02647 https://api.first.org/data/v1/epss?cve=CVE-2016-5270
epss 0.02647 https://api.first.org/data/v1/epss?cve=CVE-2016-5270
epss 0.02647 https://api.first.org/data/v1/epss?cve=CVE-2016-5270
epss 0.02647 https://api.first.org/data/v1/epss?cve=CVE-2016-5270
epss 0.02647 https://api.first.org/data/v1/epss?cve=CVE-2016-5270
epss 0.02647 https://api.first.org/data/v1/epss?cve=CVE-2016-5270
epss 0.02647 https://api.first.org/data/v1/epss?cve=CVE-2016-5270
epss 0.02647 https://api.first.org/data/v1/epss?cve=CVE-2016-5270
epss 0.02647 https://api.first.org/data/v1/epss?cve=CVE-2016-5270
epss 0.02647 https://api.first.org/data/v1/epss?cve=CVE-2016-5270
epss 0.02647 https://api.first.org/data/v1/epss?cve=CVE-2016-5270
epss 0.02647 https://api.first.org/data/v1/epss?cve=CVE-2016-5270
epss 0.02647 https://api.first.org/data/v1/epss?cve=CVE-2016-5270
epss 0.02647 https://api.first.org/data/v1/epss?cve=CVE-2016-5270
epss 0.03122 https://api.first.org/data/v1/epss?cve=CVE-2016-5270
epss 0.03122 https://api.first.org/data/v1/epss?cve=CVE-2016-5270
epss 0.03122 https://api.first.org/data/v1/epss?cve=CVE-2016-5270
epss 0.03122 https://api.first.org/data/v1/epss?cve=CVE-2016-5270
epss 0.04403 https://api.first.org/data/v1/epss?cve=CVE-2016-5270
epss 0.04403 https://api.first.org/data/v1/epss?cve=CVE-2016-5270
epss 0.04403 https://api.first.org/data/v1/epss?cve=CVE-2016-5270
epss 0.04403 https://api.first.org/data/v1/epss?cve=CVE-2016-5270
epss 0.04403 https://api.first.org/data/v1/epss?cve=CVE-2016-5270
epss 0.04403 https://api.first.org/data/v1/epss?cve=CVE-2016-5270
epss 0.04403 https://api.first.org/data/v1/epss?cve=CVE-2016-5270
epss 0.04403 https://api.first.org/data/v1/epss?cve=CVE-2016-5270
epss 0.04403 https://api.first.org/data/v1/epss?cve=CVE-2016-5270
epss 0.09318 https://api.first.org/data/v1/epss?cve=CVE-2016-5270
rhbs high https://bugzilla.redhat.com/show_bug.cgi?id=1377552
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5250
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5257
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5261
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5270
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5272
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5274
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5276
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5277
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5278
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5280
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5281
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5284
cvssv2 7.5 https://nvd.nist.gov/vuln/detail/CVE-2016-5270
cvssv3 9.8 https://nvd.nist.gov/vuln/detail/CVE-2016-5270
archlinux Critical https://security.archlinux.org/AVG-24
generic_textual Medium https://ubuntu.com/security/notices/USN-3076-1
generic_textual Medium https://ubuntu.com/security/notices/USN-3112-1
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/
generic_textual critical https://www.mozilla.org/en-US/security/advisories/mfsa2016-86
generic_textual critical https://www.mozilla.org/en-US/security/advisories/mfsa2016-88
cvssv3.1 5.3 http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.html
generic_textual MODERATE http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.html
Reference id Reference type URL
http://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-5270.html
http://rhn.redhat.com/errata/RHSA-2016-1912.html
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2016-5270.json
https://api.first.org/data/v1/epss?cve=CVE-2016-5270
https://bugzilla.mozilla.org/show_bug.cgi?id=1291016
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5250
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5257
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5261
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5270
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5272
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5274
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5276
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5277
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5278
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5280
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5281
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5284
https://security.gentoo.org/glsa/201701-15
https://ubuntu.com/security/notices/USN-3076-1
https://ubuntu.com/security/notices/USN-3112-1
https://www.mozilla.org/en-US/security/advisories/mfsa2016-85/
https://www.mozilla.org/security/advisories/mfsa2016-86/
https://www.mozilla.org/security/advisories/mfsa2016-88/
http://www.debian.org/security/2016/dsa-3674
http://www.mozilla.org/security/announce/2016/mfsa2016-85.html
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.html
http://www.securityfocus.com/bid/93049
http://www.securitytracker.com/id/1036852
1377552 https://bugzilla.redhat.com/show_bug.cgi?id=1377552
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:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:45.1.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:firefox:45.1.0:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:45.1.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:firefox:45.1.1:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:45.2.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:firefox:45.2.0:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:45.3.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:firefox:45.3.0:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox_esr:45.1.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:firefox_esr:45.1.0:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox_esr:45.1.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:firefox_esr:45.1.1:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox_esr:45.2.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:firefox_esr:45.2.0:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox_esr:45.3.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:firefox_esr:45.3.0:*:*:*:*:*:*:*
CVE-2016-5270 https://nvd.nist.gov/vuln/detail/CVE-2016-5270
mfsa2016-85 https://www.mozilla.org/en-US/security/advisories/mfsa2016-85
mfsa2016-86 https://www.mozilla.org/en-US/security/advisories/mfsa2016-86
mfsa2016-88 https://www.mozilla.org/en-US/security/advisories/mfsa2016-88
RHSA-2016:1912 https://access.redhat.com/errata/RHSA-2016:1912
USN-3076-1 https://usn.ubuntu.com/3076-1/
USN-3112-1 https://usn.ubuntu.com/3112-1/
No exploits are available.
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2016-5270.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:L/Au:N/C:P/I:P/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2016-5270
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-2016-5270
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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Found at http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.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 0.84438
EPSS Score 0.02647
Published At March 28, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
There are no relevant records.