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Vulnerability details: VCID-w7g1-ub97-gqdd
Vulnerability ID VCID-w7g1-ub97-gqdd
Aliases CVE-2017-5418
Summary An out of bounds read error occurs when parsing some HTTP digest authorization responses, resulting in information leakage through the reading of random memory containing matches to specifically set patterns.
Status Published
Exploitability 0.5
Weighted Severity 9.0
Risk 4.5
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-125 Out-of-bounds Read
System Score Found at
epss 0.00523 https://api.first.org/data/v1/epss?cve=CVE-2017-5418
epss 0.00523 https://api.first.org/data/v1/epss?cve=CVE-2017-5418
epss 0.00523 https://api.first.org/data/v1/epss?cve=CVE-2017-5418
epss 0.00523 https://api.first.org/data/v1/epss?cve=CVE-2017-5418
epss 0.00523 https://api.first.org/data/v1/epss?cve=CVE-2017-5418
epss 0.00523 https://api.first.org/data/v1/epss?cve=CVE-2017-5418
epss 0.00523 https://api.first.org/data/v1/epss?cve=CVE-2017-5418
epss 0.00523 https://api.first.org/data/v1/epss?cve=CVE-2017-5418
epss 0.00523 https://api.first.org/data/v1/epss?cve=CVE-2017-5418
cvssv2 4.3 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 5.0 https://nvd.nist.gov/vuln/detail/CVE-2017-5418
cvssv3 5.3 https://nvd.nist.gov/vuln/detail/CVE-2017-5418
archlinux Critical https://security.archlinux.org/AVG-194
generic_textual critical https://www.mozilla.org/en-US/security/advisories/mfsa2017-05
generic_textual critical https://www.mozilla.org/en-US/security/advisories/mfsa2017-09
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2017-5418
https://bugzilla.mozilla.org/show_bug.cgi?id=1338876
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://www.mozilla.org/security/advisories/mfsa2017-05/
https://www.mozilla.org/security/advisories/mfsa2017-09/
http://www.securityfocus.com/bid/96692
http://www.securitytracker.com/id/1037966
ASA-201703-3 https://security.archlinux.org/ASA-201703-3
AVG-194 https://security.archlinux.org/AVG-194
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:thunderbird:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
CVE-2017-5418 https://nvd.nist.gov/vuln/detail/CVE-2017-5418
mfsa2017-05 https://www.mozilla.org/en-US/security/advisories/mfsa2017-05
mfsa2017-09 https://www.mozilla.org/en-US/security/advisories/mfsa2017-09
USN-3216-1 https://usn.ubuntu.com/3216-1/
No exploits are available.
Vector: AV:N/AC:M/Au:N/C:P/I:N/A:N 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:P/I:N/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2017-5418
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:L/I:N/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2017-5418
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 0.6683
EPSS Score 0.00523
Published At April 1, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T13:16:41.649335+00:00 Mozilla Importer Import https://github.com/mozilla/foundation-security-advisories/blob/master/announce/2017/mfsa2017-05.yml 38.0.0