CVE-2018-5153

If websocket data is sent with mixed text and binary in a single message, the binary data can be corrupted. This can result in an out-of-bounds read with the read memory sent to the originating server in response. This vulnerability affects Firefox < 60.

• CWE-125

• http://www.securityfocus.com/bid/104139Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1040896Third Party Advisory, VDB Entry
• https://bugzilla.mozilla.org/show_bug.cgi?id=1436809Issue Tracking, Permissions Required
• https://usn.ubuntu.com/3645-1/Third Party Advisory
• https://www.mozilla.org/security/advisories/mfsa2018-11/Vendor Advisory
• http://www.securityfocus.com/bid/104139Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1040896Third Party Advisory, VDB Entry
• https://bugzilla.mozilla.org/show_bug.cgi?id=1436809Issue Tracking, Permissions Required
• https://usn.ubuntu.com/3645-1/Third Party Advisory
• https://www.mozilla.org/security/advisories/mfsa2018-11/Vendor Advisory

Published

Jun 11, 2018

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

• CVE-2018-5146An out of bounds memory write while processing Vorbis audio …
• CVE-2018-5147The libtremor library has the same flaw as CVE-2018-5146. Th…
• CVE-2018-5148A use-after-free vulnerability can occur in the compositor d…
• CVE-2018-5150Memory safety bugs were reported in Firefox 59, Firefox ESR …
• CVE-2018-5151Memory safety bugs were reported in Firefox 59. Some of thes…
• CVE-2018-5152WebExtensions with the appropriate permissions can attach co…
• CVE-2018-5154A use-after-free vulnerability can occur while enumerating a…
• CVE-2018-5155A use-after-free vulnerability can occur while adjusting lay…
• CVE-2018-5156A vulnerability can occur when capturing a media stream when…
• CVE-2018-5157Same-origin protections for the PDF viewer can be bypassed, …
• CVE-2018-5158The PDF viewer does not sufficiently sanitize PostScript cal…
• CVE-2018-5159An integer overflow can occur in the Skia library due to 32-…