CVE & CISA-KEV Catalog

CVE-2017-5418

MEDIUM
5.3
CVSS v3
NVD

Description

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. This vulnerability affects Firefox < 52 and Thunderbird < 52.

How to fix

Remediation Available
firefoxDebian
Fixed in:52.0-1CVE-2017-5418
firefoxUbuntu
Fixed in:52.0+build2-0ubuntu0.14.04.1USN-3216-1
Fixed in:52.0+build2-0ubuntu0.16.04.1USN-3216-1
DeveloperEditionWindows application
Affected:52.0Fixed in:52.0Mozilla
Mozilla Firefox (en-US)Windows application
Affected:52.0Fixed in:52.0Mozilla
Mozilla Thunderbird (en-US)Windows application
Affected:52.0Fixed in:52.0Mozilla

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityLow
IntegrityNone
AvailabilityNone

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Exploit Intelligence

1.28%probability of exploitation in 30 days
66thpercentile

Moderate risk: more likely to be exploited than 66% of all known CVEs.

References

Related Vulnerabilities

Other CWE-125 (Out-of-bounds Read) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2014-0160High7.5100%KEVFix
CVE-2025-5777High7.5100%KEV + RansomFix
CVE-2021-4034High7.895%KEVFix
CVE-2023-21769High7.592%-Fix
CVE-2023-49285High8.689%-Fix
CVE-2020-8794Critical9.889%-Fix
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.