CVE-2019-11707

8.8

CVSS
High

PUBLISHED

A type confusion vulnerability can occur when manipulating JavaScript objects due to issues in Array.pop. This can allow for an exploitable crash....

Exploited in the wild Remote Low complexity

Vendor: Mozilla
Product: Firefox ESR, Firefox, Thunderbird
Published: Jul 23, 2019
EPSS: —

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.

java cisa

CVSS scores

CVSS v3.1 8.8 High

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS v2.0 7.5

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

Exploitation status

Exploited in the wild

Recorded 2022-05-23 00:00:00 UTC · Source

SSVC decision points

Exploitation: active
Automatable: No
Technical impact: total

References

Known exploited vulnerability sources

Catalogues that list this CVE as a known exploited vulnerability.

Source	Added
CISA	May 23, 2022

Potential proof of concepts

These PoCs are unverified and could contain malware. Use at your own risk.

vigneshsrao/CVE-2019-11707

github · Created 2019-08-18 07:41:01 UTC · 42 stars

Exploit code for CVE-2019-11707 on Firefox 66.0.3 running on Ubuntu

Vulnerability detail