Vulnerability Monitor

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CVE-2019-11707

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.

Published

2019-07-23T14:15:15.233

Last Modified

2025-04-03T21:03:18.177

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 8.8 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

6.4

Weaknesses

Type: Primary
CWE-843
Type: Secondary
CWE-843

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	mozilla	firefox	< 60.7.1	Yes
Application	mozilla	firefox	< 60.7.3	Yes
Application	mozilla	thunderbird	< 60.7.2	Yes

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1544386 Issue Tracking, Permissions Required, Vendor Advisory ([email protected])
https://security.gentoo.org/glsa/201908-12 Third Party Advisory ([email protected])
https://www.mozilla.org/security/advisories/mfsa2019-18/ Vendor Advisory ([email protected])
https://www.mozilla.org/security/advisories/mfsa2019-20/ Vendor Advisory ([email protected])
https://bugzilla.mozilla.org/show_bug.cgi?id=1544386 Issue Tracking, Permissions Required, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/201908-12 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.mozilla.org/security/advisories/mfsa2019-18/ Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.mozilla.org/security/advisories/mfsa2019-20/ Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)