8.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
6.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
0.008 Low
EPSS
Percentile
81.5%
When following the value’s prototype chain, it was possible to retain a
reference to a locale, delete it, and subsequently reference it. This
resulted in a use-after-free and a potentially exploitable crash. This
vulnerability affects Firefox < 70, Thunderbird < 68.2, and Firefox ESR <
68.2.
Author | Note |
---|---|
tyhicks | mozjs contains a copy of the SpiderMonkey JavaScript engine |
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
ubuntu | 18.04 | noarch | firefox | < 70.0+build2-0ubuntu0.18.04.1 | UNKNOWN |
ubuntu | 19.04 | noarch | firefox | < 70.0+build2-0ubuntu0.19.04.1 | UNKNOWN |
ubuntu | 19.10 | noarch | firefox | < 70.0+build2-0ubuntu0.19.10.1 | UNKNOWN |
ubuntu | 20.04 | noarch | firefox | < 70.0+build2-0ubuntu1 | UNKNOWN |
ubuntu | 20.10 | noarch | firefox | < 70.0+build2-0ubuntu1 | UNKNOWN |
ubuntu | 21.04 | noarch | firefox | < 70.0+build2-0ubuntu1 | UNKNOWN |
ubuntu | 21.10 | noarch | firefox | < 70.0+build2-0ubuntu1 | UNKNOWN |
ubuntu | 22.04 | noarch | firefox | < 70.0+build2-0ubuntu1 | UNKNOWN |
ubuntu | 22.10 | noarch | firefox | < 70.0+build2-0ubuntu1 | UNKNOWN |
ubuntu | 23.04 | noarch | firefox | < 70.0+build2-0ubuntu1 | UNKNOWN |
launchpad.net/bugs/cve/CVE-2019-11757
nvd.nist.gov/vuln/detail/CVE-2019-11757
security-tracker.debian.org/tracker/CVE-2019-11757
ubuntu.com/security/notices/USN-4165-1
ubuntu.com/security/notices/USN-4202-1
ubuntu.com/security/notices/USN-4335-1
www.cve.org/CVERecord?id=CVE-2019-11757
www.mozilla.org/en-US/security/advisories/mfsa2019-33/#CVE-2019-11757
www.mozilla.org/en-US/security/advisories/mfsa2019-34/#CVE-2019-11757
8.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
6.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
0.008 Low
EPSS
Percentile
81.5%