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Vulnerability details: VCID-sqhz-m5f9-aaae

Essentials
Severities (97)
References (37)
Severity details (14)
Exploits (0)
EPSS
History (0)

Vulnerability ID	VCID-sqhz-m5f9-aaae
Aliases	CVE-2022-40962
Summary	Mozilla developers Nika Layzell, Timothy Nikkel, Sebastian Hengst, Andreas Pehrson, and the Mozilla Fuzzing Team reported memory safety bugs present in Firefox 104 and Firefox ESR 102.2. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox ESR < 102.3, Thunderbird < 102.3, and Firefox < 105.
Status	Published
Exploitability	0.5
Weighted Severity	8.0
Risk	4.0
Affected and Fixed Packages	Package Details

Weaknesses (2)

CWE-787	Out-of-bounds Write
CWE-120	Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

System	Score	Found at
cvssv3	8.8	https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2022-40962.json
epss	0.00219	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
epss	0.00219	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
epss	0.00219	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
epss	0.00219	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
epss	0.00219	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
epss	0.00219	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
epss	0.00219	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
epss	0.00219	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
epss	0.00219	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
epss	0.00219	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
epss	0.00219	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
epss	0.00219	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
epss	0.00219	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
epss	0.00219	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
epss	0.00219	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
epss	0.00219	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
epss	0.00219	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
epss	0.00219	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
epss	0.00219	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
epss	0.00219	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
epss	0.00219	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
epss	0.00219	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
epss	0.00219	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
epss	0.00219	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
epss	0.00219	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
epss	0.00219	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
epss	0.00219	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
epss	0.00219	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
epss	0.00219	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
epss	0.00219	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
epss	0.00219	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
epss	0.00219	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
epss	0.00219	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
epss	0.00219	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
epss	0.00219	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
epss	0.00219	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
epss	0.00219	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
epss	0.00219	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
epss	0.00219	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
epss	0.00219	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
epss	0.00219	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
epss	0.00219	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
epss	0.00219	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
epss	0.00219	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
epss	0.00219	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
epss	0.00219	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
epss	0.00219	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
epss	0.00219	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
epss	0.00219	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
epss	0.00219	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
epss	0.00219	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
epss	0.00219	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
epss	0.00219	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
epss	0.00219	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
epss	0.00219	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
epss	0.00219	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
epss	0.00219	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
epss	0.00219	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
epss	0.00219	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
epss	0.00219	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
epss	0.00219	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
epss	0.00219	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
epss	0.00219	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
epss	0.00219	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
epss	0.00219	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
epss	0.00219	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
epss	0.00226	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
epss	0.00226	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
epss	0.00226	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
epss	0.00226	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
epss	0.00226	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
epss	0.00226	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
epss	0.00226	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
epss	0.00226	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
epss	0.00226	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
epss	0.00226	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
epss	0.00226	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
epss	0.00226	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
epss	0.00251	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
epss	0.00251	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
epss	0.00251	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
epss	0.00251	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
epss	0.00955	https://api.first.org/data/v1/epss?cve=CVE-2022-40962
cvssv3.1	8.8	https://bugzilla.mozilla.org/buglist.cgi?bug_id=1776655%2C1777574%2C1784835%2C1785109%2C1786502%2C1789440
ssvc	Track	https://bugzilla.mozilla.org/buglist.cgi?bug_id=1776655%2C1777574%2C1784835%2C1785109%2C1786502%2C1789440
cvssv3	8.8	https://nvd.nist.gov/vuln/detail/CVE-2022-40962
cvssv3.1	8.8	https://nvd.nist.gov/vuln/detail/CVE-2022-40962
generic_textual	high	https://www.mozilla.org/en-US/security/advisories/mfsa2022-40
generic_textual	high	https://www.mozilla.org/en-US/security/advisories/mfsa2022-41
generic_textual	high	https://www.mozilla.org/en-US/security/advisories/mfsa2022-42
cvssv3.1	8.8	https://www.mozilla.org/security/advisories/mfsa2022-40/
ssvc	Track	https://www.mozilla.org/security/advisories/mfsa2022-40/
cvssv3.1	8.8	https://www.mozilla.org/security/advisories/mfsa2022-41/
ssvc	Track	https://www.mozilla.org/security/advisories/mfsa2022-41/
cvssv3.1	8.8	https://www.mozilla.org/security/advisories/mfsa2022-42/
ssvc	Track	https://www.mozilla.org/security/advisories/mfsa2022-42/

Reference id	Reference type	URL
		https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2022-40962.json
		https://api.first.org/data/v1/epss?cve=CVE-2022-40962
		https://bugzilla.mozilla.org/buglist.cgi?bug_id=1776655%2C1777574%2C1784835%2C1785109%2C1786502%2C1789440
		https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-3266
		https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-40956
		https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-40957
		https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-40958
		https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-40959
		https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-40960
		https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-40962
		https://www.mozilla.org/security/advisories/mfsa2022-40/
		https://www.mozilla.org/security/advisories/mfsa2022-41/
		https://www.mozilla.org/security/advisories/mfsa2022-42/
2128797		https://bugzilla.redhat.com/show_bug.cgi?id=2128797
cpe:2.3:a:mozilla:firefox::::::::		https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:firefox::::::::
cpe:2.3:a:mozilla:firefox_esr::::::::		https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:firefox_esr::::::::
cpe:2.3:a:mozilla:thunderbird::::::::		https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:thunderbird::::::::
CVE-2022-40962		https://nvd.nist.gov/vuln/detail/CVE-2022-40962
GLSA-202209-18		https://security.gentoo.org/glsa/202209-18
GLSA-202209-27		https://security.gentoo.org/glsa/202209-27
mfsa2022-40		https://www.mozilla.org/en-US/security/advisories/mfsa2022-40
mfsa2022-41		https://www.mozilla.org/en-US/security/advisories/mfsa2022-41
mfsa2022-42		https://www.mozilla.org/en-US/security/advisories/mfsa2022-42
RHSA-2022:6700		https://access.redhat.com/errata/RHSA-2022:6700
RHSA-2022:6701		https://access.redhat.com/errata/RHSA-2022:6701
RHSA-2022:6702		https://access.redhat.com/errata/RHSA-2022:6702
RHSA-2022:6703		https://access.redhat.com/errata/RHSA-2022:6703
RHSA-2022:6707		https://access.redhat.com/errata/RHSA-2022:6707
RHSA-2022:6708		https://access.redhat.com/errata/RHSA-2022:6708
RHSA-2022:6710		https://access.redhat.com/errata/RHSA-2022:6710
RHSA-2022:6711		https://access.redhat.com/errata/RHSA-2022:6711
RHSA-2022:6713		https://access.redhat.com/errata/RHSA-2022:6713
RHSA-2022:6715		https://access.redhat.com/errata/RHSA-2022:6715
RHSA-2022:6716		https://access.redhat.com/errata/RHSA-2022:6716
RHSA-2022:6717		https://access.redhat.com/errata/RHSA-2022:6717
USN-5649-1		https://usn.ubuntu.com/5649-1/
USN-5724-1		https://usn.ubuntu.com/5724-1/

No exploits are available.

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2022-40962.json

Attack Vector (AV)	Attack Complexity (AC)	Privileges Required (PR)	User Interaction (UI)	Scope (S)	Confidentiality Impact (C)	Integrity Impact (I)	Availability Impact (A)
network adjacent_network local physical	low high	none low high	none required	unchanged changed	high low none	high low none	high low none

Attack Vector (AV)

Attack Complexity (AC)

Privileges Required (PR)

User Interaction (UI)

Scope (S)

Confidentiality Impact (C)

Integrity Impact (I)

Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://bugzilla.mozilla.org/buglist.cgi?bug_id=1776655%2C1777574%2C1784835%2C1785109%2C1786502%2C1789440

Attack Vector (AV)	Attack Complexity (AC)	Privileges Required (PR)	User Interaction (UI)	Scope (S)	Confidentiality Impact (C)	Integrity Impact (I)	Availability Impact (A)
network adjacent_network local physical	low high	none low high	none required	unchanged changed	high low none	high low none	high low none

Attack Vector (AV)

Attack Complexity (AC)

Privileges Required (PR)

User Interaction (UI)

Scope (S)

Confidentiality Impact (C)

Integrity Impact (I)

Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none

Vector: SSVCv2/E:N/A:N/T:T/P:M/B:A/M:M/D:T/2025-04-15T14:48:20Z/ Found at https://bugzilla.mozilla.org/buglist.cgi?bug_id=1776655%2C1777574%2C1784835%2C1785109%2C1786502%2C1789440

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2022-40962

Attack Vector (AV)	Attack Complexity (AC)	Privileges Required (PR)	User Interaction (UI)	Scope (S)	Confidentiality Impact (C)	Integrity Impact (I)	Availability Impact (A)
network adjacent_network local physical	low high	none low high	none required	unchanged changed	high low none	high low none	high low none

Attack Vector (AV)

Attack Complexity (AC)

Privileges Required (PR)

User Interaction (UI)

Scope (S)

Confidentiality Impact (C)

Integrity Impact (I)

Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2022-40962

Attack Vector (AV)	Attack Complexity (AC)	Privileges Required (PR)	User Interaction (UI)	Scope (S)	Confidentiality Impact (C)	Integrity Impact (I)	Availability Impact (A)
network adjacent_network local physical	low high	none low high	none required	unchanged changed	high low none	high low none	high low none

Attack Vector (AV)

Attack Complexity (AC)

Privileges Required (PR)

User Interaction (UI)

Scope (S)

Confidentiality Impact (C)

Integrity Impact (I)

Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://www.mozilla.org/security/advisories/mfsa2022-40/

Attack Vector (AV)	Attack Complexity (AC)	Privileges Required (PR)	User Interaction (UI)	Scope (S)	Confidentiality Impact (C)	Integrity Impact (I)	Availability Impact (A)
network adjacent_network local physical	low high	none low high	none required	unchanged changed	high low none	high low none	high low none

Attack Vector (AV)

Attack Complexity (AC)

Privileges Required (PR)

User Interaction (UI)

Scope (S)

Confidentiality Impact (C)

Integrity Impact (I)

Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none

Vector: SSVCv2/E:N/A:N/T:T/P:M/B:A/M:M/D:T/2025-04-15T14:48:20Z/ Found at https://www.mozilla.org/security/advisories/mfsa2022-40/

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://www.mozilla.org/security/advisories/mfsa2022-41/

Attack Vector (AV)	Attack Complexity (AC)	Privileges Required (PR)	User Interaction (UI)	Scope (S)	Confidentiality Impact (C)	Integrity Impact (I)	Availability Impact (A)
network adjacent_network local physical	low high	none low high	none required	unchanged changed	high low none	high low none	high low none

Attack Vector (AV)

Attack Complexity (AC)

Privileges Required (PR)

User Interaction (UI)

Scope (S)

Confidentiality Impact (C)

Integrity Impact (I)

Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none

Vector: SSVCv2/E:N/A:N/T:T/P:M/B:A/M:M/D:T/2025-04-15T14:48:20Z/ Found at https://www.mozilla.org/security/advisories/mfsa2022-41/

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://www.mozilla.org/security/advisories/mfsa2022-42/

Attack Vector (AV)	Attack Complexity (AC)	Privileges Required (PR)	User Interaction (UI)	Scope (S)	Confidentiality Impact (C)	Integrity Impact (I)	Availability Impact (A)
network adjacent_network local physical	low high	none low high	none required	unchanged changed	high low none	high low none	high low none

Attack Vector (AV)

Attack Complexity (AC)

Privileges Required (PR)

User Interaction (UI)

Scope (S)

Confidentiality Impact (C)

Integrity Impact (I)

Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none

Vector: SSVCv2/E:N/A:N/T:T/P:M/B:A/M:M/D:T/2025-04-15T14:48:20Z/ Found at https://www.mozilla.org/security/advisories/mfsa2022-42/

Exploit Prediction Scoring System (EPSS)

Percentile	0.41636
EPSS Score	0.00219
Published At	March 28, 2025, 12:55 p.m.

Date	Actor	Action	Source	VulnerableCode Version
There are no relevant records.