CVE-2019-9789

Mozilla developers and community members reported memory safety bugs present in Firefox 65. 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 < 66.

• CWE-787

• https://bugzilla.mozilla.org/buglist.cgi?bug_id=1520483%2C1522987%2C1528199%2C1519337%2C1525549%2C1516179%2C1518524%2C1518331%2C1526579%2C1512567%2C1524335%2C1448505%2C1518821Broken Link, Issue Tracking, Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2019-07/Vendor Advisory
• https://bugzilla.mozilla.org/buglist.cgi?bug_id=1520483%2C1522987%2C1528199%2C1519337%2C1525549%2C1516179%2C1518524%2C1518331%2C1526579%2C1512567%2C1524335%2C1448505%2C1518821Broken Link, Issue Tracking, Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2019-07/Vendor Advisory

Published

Apr 26, 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-2019-9777An issue was discovered in GNU LibreDWG 0.7 and 0.7.1645. Th…7.5
• CVE-2019-9778An issue was discovered in GNU LibreDWG 0.7 and 0.7.1645. Th…7.5
• CVE-2019-9779An issue was discovered in GNU LibreDWG 0.7 and 0.7.1645. Th…7.5
• CVE-2019-9785gitnote 3.1.0 allows remote attackers to execute arbitrary c…
• CVE-2019-9787WordPress before 5.1.1 does not properly filter comment cont…
• CVE-2019-9788Mozilla developers and community members reported memory saf…9.8
• CVE-2019-9790A use-after-free vulnerability can occur when a raw pointer …
• CVE-2019-9791The type inference system allows the compilation of function…9.8
• CVE-2019-9792The IonMonkey just-in-time (JIT) compiler can leak an intern…9.8
• CVE-2019-9793A mechanism was discovered that removes some bounds checking…
• CVE-2019-9794A vulnerability was discovered where specific command line a…
• CVE-2019-9795A vulnerability where type-confusion in the IonMonkey just-i…