CVE-2019-9819
UnknownEPSS 1.69%
Last modified
CVE-2019-9819 is a vulnerability of currently unknown severity. A vulnerability where a JavaScript compartment mismatch can occur while working with the fetch API, resulting in a potentially exploitable crash. This vulnerability affects Thunderbird < 60.7, Firefox < 67, and Firefox ESR < 60.7.. EPSS estimates a 1.69% chance of exploitation in the next 30 days.
Description
A vulnerability where a JavaScript compartment mismatch can occur while working with the fetch API, resulting in a potentially exploitable crash. This vulnerability affects Thunderbird < 60.7, Firefox < 67, and Firefox ESR < 60.7.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | < 67.0 |
| Mozilla | Firefox Esr | < 60.7 |
| Mozilla | Thunderbird | < 60.7 |
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1532553Permissions Required
- https://www.mozilla.org/security/advisories/mfsa2019-13/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2019-14/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2019-15/Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1532553Permissions Required
- https://www.mozilla.org/security/advisories/mfsa2019-13/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2019-14/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2019-15/Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2019-9819?
A vulnerability where a JavaScript compartment mismatch can occur while working with the fetch API, resulting in a potentially exploitable crash. This vulnerability affects Thunderbird < 60.7, Firefox < 67, and Firefox ESR < 60.7.
How severe is CVE-2019-9819?
Severity scoring for CVE-2019-9819 is pending analysis. The EPSS model estimates a 1.69% probability of exploitation in the next 30 days.
How do I fix CVE-2019-9819?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- 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.
Related CVEs from 2019
- CVE-2019-9813Incorrect handling of __proto__ mutations may lead to type c…
- CVE-2019-9814Mozilla developers and community members reported memory saf…
- CVE-2019-9815If hyperthreading is not disabled, a timing attack vulnerabi…
- CVE-2019-9816A possible vulnerability exists where type confusion can occ…
- CVE-2019-9817Images from a different domain can be read using a canvas ob…
- CVE-2019-9818A race condition is present in the crash generation server u…8.3
- CVE-2019-9820A use-after-free vulnerability can occur in the chrome event…
- CVE-2019-9821A use-after-free vulnerability can occur in AssertWorkerThre…
- CVE-2019-9823In several JetBrains IntelliJ IDEA versions, creating remote…
- CVE-2019-9824tcp_emu in slirp/tcp_subr.c (aka slirp/src/tcp_subr.c) in QE…
- CVE-2019-9825FeiFeiCMS 4.1.190209 allows remote attackers to upload and e…
- CVE-2019-9826The fulltext search component in phpBB before 3.2.6 allows D…
Are you affected by CVE-2019-9819?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST