High severity7.5NVD Advisory· Published Jun 11, 2018· Updated Jun 17, 2026
CVE-2017-7783
CVE-2017-7783
Description
If a long user name is used in a username/password combination in a site URL (such as " http://UserName:Password@example.com"), the resulting modal prompt will hang in a non-responsive state or crash, causing a denial of service. This vulnerability affects Firefox < 55.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3- osv-coords2 versionspkg:rpm/opensuse/firefox-esr&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Tumbleweed
< 128.5.1-1.1+ 1 more
- (no CPE)range: < 128.5.1-1.1
- (no CPE)range: < 92.0-1.2
- Range: unspecified
Patches
Vulnerability mechanics
References
5- bugzilla.mozilla.org/show_bug.cginvdExploitIssue TrackingPatch
- www.securityfocus.com/bid/100401nvdThird Party AdvisoryVDB Entry
- www.securitytracker.com/id/1039124nvdThird Party AdvisoryVDB Entry
- www.exploit-db.com/exploits/43020/nvdThird Party AdvisoryVDB Entry
- www.mozilla.org/security/advisories/mfsa2017-18/nvdVendor Advisory
News mentions
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