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Vulnerability details: VCID-p5e2-s6r2-aaaf
Vulnerability ID VCID-p5e2-s6r2-aaaf
Aliases CVE-2022-0843
Summary Mozilla developers Kershaw Chang, Ryan VanderMeulen, and Randell Jesup reported memory safety bugs present in Firefox 97. 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 < 98.
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-787 Out-of-bounds Write
System Score Found at
epss 0.00159 https://api.first.org/data/v1/epss?cve=CVE-2022-0843
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epss 0.00159 https://api.first.org/data/v1/epss?cve=CVE-2022-0843
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epss 0.00185 https://api.first.org/data/v1/epss?cve=CVE-2022-0843
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epss 0.00185 https://api.first.org/data/v1/epss?cve=CVE-2022-0843
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epss 0.00185 https://api.first.org/data/v1/epss?cve=CVE-2022-0843
epss 0.00185 https://api.first.org/data/v1/epss?cve=CVE-2022-0843
epss 0.00185 https://api.first.org/data/v1/epss?cve=CVE-2022-0843
epss 0.0028 https://api.first.org/data/v1/epss?cve=CVE-2022-0843
cvssv3.1 8.8 https://bugzilla.mozilla.org/buglist.cgi?bug_id=1746523%2C1749062%2C1749164%2C1749214%2C1749610%2C1750032%2C1752100%2C1752405%2C1753612%2C1754508
ssvc Track https://bugzilla.mozilla.org/buglist.cgi?bug_id=1746523%2C1749062%2C1749164%2C1749214%2C1749610%2C1750032%2C1752100%2C1752405%2C1753612%2C1754508
cvssv3 8.8 https://nvd.nist.gov/vuln/detail/CVE-2022-0843
cvssv3.1 8.8 https://nvd.nist.gov/vuln/detail/CVE-2022-0843
archlinux High https://security.archlinux.org/AVG-2714
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2022-10
cvssv3.1 8.8 https://www.mozilla.org/security/advisories/mfsa2022-10/
ssvc Track https://www.mozilla.org/security/advisories/mfsa2022-10/
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2022-0843
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1746523%2C1749062%2C1749164%2C1749214%2C1749610%2C1750032%2C1752100%2C1752405%2C1753612%2C1754508
https://www.mozilla.org/security/advisories/mfsa2022-10/
AVG-2714 https://security.archlinux.org/AVG-2714
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:*:*:*:*:*:*:*:*
CVE-2022-0843 https://nvd.nist.gov/vuln/detail/CVE-2022-0843
mfsa2022-10 https://www.mozilla.org/en-US/security/advisories/mfsa2022-10
USN-5321-1 https://usn.ubuntu.com/5321-1/
USN-5321-2 https://usn.ubuntu.com/5321-2/
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://bugzilla.mozilla.org/buglist.cgi?bug_id=1746523%2C1749062%2C1749164%2C1749214%2C1749610%2C1750032%2C1752100%2C1752405%2C1753612%2C1754508
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/2025-04-16T15:31:24Z/ Found at https://bugzilla.mozilla.org/buglist.cgi?bug_id=1746523%2C1749062%2C1749164%2C1749214%2C1749610%2C1750032%2C1752100%2C1752405%2C1753612%2C1754508
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-2022-0843
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-2022-0843
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/mfsa2022-10/
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/2025-04-16T15:31:24Z/ Found at https://www.mozilla.org/security/advisories/mfsa2022-10/
Exploit Prediction Scoring System (EPSS)
Percentile 0.33504
EPSS Score 0.00159
Published At March 28, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
There are no relevant records.