CVE-2019-11707
Last modified
CVE-2019-11707 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. A type confusion vulnerability can occur when manipulating JavaScript objects due to issues in Array.pop. This can allow for an exploitable crash. CISA has confirmed active exploitation in the wild. EPSS estimates a 37.95% chance of exploitation in the next 30 days.
Description
A type confusion vulnerability can occur when manipulating JavaScript objects due to issues in Array.pop. This can allow for an exploitable crash. We are aware of targeted attacks in the wild abusing this flaw. This vulnerability affects Firefox ESR < 60.7.1, Firefox < 67.0.3, and Thunderbird < 60.7.2.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Exploitation Status
This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by .
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | < 60.7.1 |
| Mozilla | Firefox | < 67.0.3 |
| Mozilla | Thunderbird | < 60.7.2 |
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1544386Issue Tracking, Permissions Required, Vendor Advisory
- https://security.gentoo.org/glsa/201908-12Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2019-18/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2019-20/Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1544386Issue Tracking, Permissions Required, Vendor Advisory
- https://security.gentoo.org/glsa/201908-12Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2019-18/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2019-20/Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-11707US Government Resource
Timeline
- Published
- Last Modified
- Status
- Analyzed
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