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ubuntucveUbuntu.comUB:CVE-2019-11757
HistoryOct 22, 2019 - 12:00 a.m.

CVE-2019-11757

2019-10-2200:00:00
ubuntu.com
ubuntu.com
13

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.

Bugs

Notes

Author Note
tyhicks mozjs contains a copy of the SpiderMonkey JavaScript engine
OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchfirefox< 70.0+build2-0ubuntu0.18.04.1UNKNOWN
ubuntu19.04noarchfirefox< 70.0+build2-0ubuntu0.19.04.1UNKNOWN
ubuntu19.10noarchfirefox< 70.0+build2-0ubuntu0.19.10.1UNKNOWN
ubuntu20.04noarchfirefox< 70.0+build2-0ubuntu1UNKNOWN
ubuntu20.10noarchfirefox< 70.0+build2-0ubuntu1UNKNOWN
ubuntu21.04noarchfirefox< 70.0+build2-0ubuntu1UNKNOWN
ubuntu21.10noarchfirefox< 70.0+build2-0ubuntu1UNKNOWN
ubuntu22.04noarchfirefox< 70.0+build2-0ubuntu1UNKNOWN
ubuntu22.10noarchfirefox< 70.0+build2-0ubuntu1UNKNOWN
ubuntu23.04noarchfirefox< 70.0+build2-0ubuntu1UNKNOWN
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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%