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Vulnerability details: VCID-htpg-t39z-nbex
Vulnerability ID VCID-htpg-t39z-nbex
Aliases CVE-2017-5379
Summary Use-after-free vulnerability in Web Animations when interacting with cycle collection found through fuzzing.
Status Published
Exploitability 0.5
Weighted Severity 9.0
Risk 4.5
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-416 Use After Free
System Score Found at
epss 0.01753 https://api.first.org/data/v1/epss?cve=CVE-2017-5379
epss 0.01753 https://api.first.org/data/v1/epss?cve=CVE-2017-5379
epss 0.01753 https://api.first.org/data/v1/epss?cve=CVE-2017-5379
epss 0.01753 https://api.first.org/data/v1/epss?cve=CVE-2017-5379
epss 0.01753 https://api.first.org/data/v1/epss?cve=CVE-2017-5379
epss 0.01753 https://api.first.org/data/v1/epss?cve=CVE-2017-5379
epss 0.01753 https://api.first.org/data/v1/epss?cve=CVE-2017-5379
epss 0.01753 https://api.first.org/data/v1/epss?cve=CVE-2017-5379
epss 0.01753 https://api.first.org/data/v1/epss?cve=CVE-2017-5379
cvssv2 5.0 https://nvd.nist.gov/vuln/detail/CVE-2017-5379
cvssv3 7.5 https://nvd.nist.gov/vuln/detail/CVE-2017-5379
archlinux Critical https://security.archlinux.org/AVG-157
generic_textual critical https://www.mozilla.org/en-US/security/advisories/mfsa2017-01
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2017-5379
https://bugzilla.mozilla.org/show_bug.cgi?id=1309198
https://www.mozilla.org/security/advisories/mfsa2017-01/
http://www.securityfocus.com/bid/95763
http://www.securitytracker.com/id/1037693
ASA-201701-39 https://security.archlinux.org/ASA-201701-39
AVG-157 https://security.archlinux.org/AVG-157
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-2017-5379 https://nvd.nist.gov/vuln/detail/CVE-2017-5379
mfsa2017-01 https://www.mozilla.org/en-US/security/advisories/mfsa2017-01
USN-3175-1 https://usn.ubuntu.com/3175-1/
No exploits are available.
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2017-5379
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-2017-5379
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 0.82505
EPSS Score 0.01753
Published At April 1, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T13:16:47.490469+00:00 Mozilla Importer Import https://github.com/mozilla/foundation-security-advisories/blob/master/announce/2017/mfsa2017-01.yml 38.0.0