CVE-2017-5383

MediumCVSS 5.3/10Last modified Jun 17, 2026

Description

URLs containing certain unicode glyphs for alternative hyphens and quotes do not properly trigger punycode display, allowing for domain name spoofing attacks in the location bar. This vulnerability affects Thunderbird < 45.7, Firefox ESR < 45.7, and Firefox < 51.

Metrics

CVSS 3.0 5.3/10CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Weakness enumeration

CWE-20

Affected software

VendorProductVersions
MozillaThunderbird>= unspecified, < 45.7
MozillaFirefox ESR>= unspecified, < 45.7
MozillaFirefox>= unspecified, < 51

References

Timeline

Published
Jun 11, 2018
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2017-5383: Medium severity, CVSS 5.3 | Vulnix