CVE-2019-9813

N/A

Description

Incorrect handling of __proto__ mutations may lead to type confusion in IonMonkey JIT code and can be leveraged for arbitrary memory read and write. This vulnerability affects Firefox < 66.0.1, Firefox ESR < 60.6.1, and Thunderbird < 60.6.1.

CVE Details

CVSS v3.1 ScoreN/A

Published4/26/2019

Last Modified11/25/2025

Sourcenvd

Honeypot Sightings0

Affected Products

mozilla:firefoxmozilla:thunderbird

Weaknesses (CWE)

CWE-843

References

https://access.redhat.com/errata/RHSA-2019:0966(security@mozilla.org)

https://access.redhat.com/errata/RHSA-2019:1144(security@mozilla.org)

https://bugzilla.mozilla.org/show_bug.cgi?id=1538006(security@mozilla.org)

https://www.mozilla.org/security/advisories/mfsa2019-09/(security@mozilla.org)

https://www.mozilla.org/security/advisories/mfsa2019-10/(security@mozilla.org)

https://www.mozilla.org/security/advisories/mfsa2019-12/(security@mozilla.org)

https://access.redhat.com/errata/RHSA-2019:0966(af854a3a-2127-422b-91ae-364da2661108)

https://access.redhat.com/errata/RHSA-2019:1144(af854a3a-2127-422b-91ae-364da2661108)

https://bugzilla.mozilla.org/show_bug.cgi?id=1538006(af854a3a-2127-422b-91ae-364da2661108)

https://www.mozilla.org/security/advisories/mfsa2019-09/(af854a3a-2127-422b-91ae-364da2661108)

https://www.mozilla.org/security/advisories/mfsa2019-10/(af854a3a-2127-422b-91ae-364da2661108)

https://www.mozilla.org/security/advisories/mfsa2019-12/(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.