CVE-2019-11734

Mozilla developers and community members reported memory safety bugs present in Firefox 68. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Firefox < 69.

• CWE-787

• https://bugzilla.mozilla.org/buglist.cgi?bug_id=1352875%2C1536227%2C1557208%2C1560641Issue Tracking, Not Applicable, Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2019-25/Vendor Advisory
• https://bugzilla.mozilla.org/buglist.cgi?bug_id=1352875%2C1536227%2C1557208%2C1560641Issue Tracking, Not Applicable, Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2019-25/Vendor Advisory

Published

Sep 27, 2019

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-2019-11727A vulnerability exists where it possible to force Network Se…
• CVE-2019-11728The HTTP Alternative Services header, Alt-Svc, can be used b…4.7
• CVE-2019-11729Empty or malformed p256-ECDH public keys may trigger a segme…
• CVE-2019-1173An elevation of privilege vulnerability exists in the way th…7
• CVE-2019-11730A vulnerability exists where if a user opens a locally saved…6.5
• CVE-2019-11733When a master password is set, it is required to be entered …9.8
• CVE-2019-11735Mozilla developers and community members reported memory saf…8.8
• CVE-2019-11736The Mozilla Maintenance Service does not guard against files…7
• CVE-2019-11737If a wildcard ('*') is specified for the host in Content Sec…5.3
• CVE-2019-11738If a Content Security Policy (CSP) directive is defined that…6.3
• CVE-2019-11739Encrypted S/MIME parts in a crafted multipart/alternative me…6.5
• CVE-2019-1174An elevation of privilege vulnerability exists in the way th…7