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ubuntucveUbuntu.comUB:CVE-2021-38504
HistoryNov 03, 2021 - 12:00 a.m.

CVE-2021-38504

2021-11-0300:00:00
ubuntu.com
ubuntu.com
16

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

0.003 Low

EPSS

Percentile

65.4%

JSON

When interacting with an HTML input element’s file picker dialog with
webkitdirectory set, a use-after-free could have resulted, leading to
memory corruption and a potentially exploitable crash. This vulnerability
affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.

Notes

Author Note
tyhicks mozjs contains a copy of the SpiderMonkey JavaScript engine
OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchfirefox< 94.0+build3-0ubuntu0.18.04.1UNKNOWN
ubuntu20.04noarchfirefox< 94.0+build3-0ubuntu0.20.04.1UNKNOWN
ubuntu21.04noarchfirefox< 94.0+build3-0ubuntu0.21.04.1UNKNOWN
ubuntu21.10noarchfirefox< 94.0+build3-0ubuntu0.21.10.1UNKNOWN
ubuntu22.04noarchfirefox< 94.0+build3-0ubuntu1UNKNOWN
ubuntu22.10noarchfirefox< 94.0+build3-0ubuntu1UNKNOWN
ubuntu23.04noarchfirefox< 94.0+build3-0ubuntu1UNKNOWN
ubuntu23.10noarchfirefox< 94.0+build3-0ubuntu1UNKNOWN
ubuntu24.04noarchfirefox< 94.0+build3-0ubuntu1UNKNOWN
ubuntu18.04noarchmozjs38< anyUNKNOWN
Rows per page:
1-10 of 221

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Update now! Mozilla fixes security vulnerabilities in Firefox 94
2021-11-03 14:23:29
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Ubuntu: Security Advisory (USN-5152-1)
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Mozilla Firefox Security Advisory (MFSA2021-48) - Linux
2021-11-08 00:00:00
CentOS: Security Advisory for thunderbird (CESA-2021:4134)
2021-11-18 00:00:00
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Thunderbird vulnerabilities
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Ubuntu 21.10 : Thunderbird vulnerabilities (USN-5152-1)
2021-11-19 00:00:00
Oracle Linux 7 : firefox (ELSA-2021-4116)
2021-11-04 00:00:00
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2021-11-17 00:00:00
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Important: thunderbird security update
2021-11-04 16:03:41
Important: firefox security update
2021-11-03 19:23:08
firefox vulnerabilities
2021-11-03 20:09:06
oraclelinux
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thunderbird security update
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firefox security update
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Security fix for the ALT Linux 10 package thunderbird version 91.3.0-alt1
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firefox security update
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(RHSA-2021:4605) Important: firefox security update
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Security update for MozillaFirefox (important)
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KLA12336 Multiple vulnerabilities in Mozilla Firefox ESR
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Security Vulnerabilities fixed in Firefox ESR 91.3 — Mozilla
2021-11-02 00:00:00
Security Vulnerabilities fixed in Thunderbird 91.3 — Mozilla
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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

0.003 Low

EPSS

Percentile

65.4%

JSON
Related for UB:CVE-2021-38504
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