Search for vulnerabilities
Vulnerability details: VCID-mh53-a1ga-dfds
Vulnerability ID VCID-mh53-a1ga-dfds
Aliases CVE-2022-34484
Summary The Mozilla Fuzzing Team reported potential vulnerabilities present in Firefox 101 and Firefox ESR 91.10. 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.
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CWE-416 Use After Free
System Score Found at
cvssv3 8.8 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2022-34484.json
epss 0.00197 https://api.first.org/data/v1/epss?cve=CVE-2022-34484
epss 0.00197 https://api.first.org/data/v1/epss?cve=CVE-2022-34484
epss 0.00197 https://api.first.org/data/v1/epss?cve=CVE-2022-34484
epss 0.00197 https://api.first.org/data/v1/epss?cve=CVE-2022-34484
epss 0.00197 https://api.first.org/data/v1/epss?cve=CVE-2022-34484
epss 0.00197 https://api.first.org/data/v1/epss?cve=CVE-2022-34484
epss 0.00197 https://api.first.org/data/v1/epss?cve=CVE-2022-34484
epss 0.00197 https://api.first.org/data/v1/epss?cve=CVE-2022-34484
epss 0.00197 https://api.first.org/data/v1/epss?cve=CVE-2022-34484
epss 0.00197 https://api.first.org/data/v1/epss?cve=CVE-2022-34484
epss 0.00197 https://api.first.org/data/v1/epss?cve=CVE-2022-34484
epss 0.00197 https://api.first.org/data/v1/epss?cve=CVE-2022-34484
epss 0.00197 https://api.first.org/data/v1/epss?cve=CVE-2022-34484
epss 0.00197 https://api.first.org/data/v1/epss?cve=CVE-2022-34484
epss 0.00197 https://api.first.org/data/v1/epss?cve=CVE-2022-34484
epss 0.00197 https://api.first.org/data/v1/epss?cve=CVE-2022-34484
epss 0.00197 https://api.first.org/data/v1/epss?cve=CVE-2022-34484
epss 0.00215 https://api.first.org/data/v1/epss?cve=CVE-2022-34484
cvssv3.1 8.8 https://bugzilla.mozilla.org/buglist.cgi?bug_id=1763634%2C1772651
ssvc Track* https://bugzilla.mozilla.org/buglist.cgi?bug_id=1763634%2C1772651
cvssv3.1 8.8 https://nvd.nist.gov/vuln/detail/CVE-2022-34484
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2022-24
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2022-25
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2022-26
cvssv3.1 8.8 https://www.mozilla.org/security/advisories/mfsa2022-24/
ssvc Track* https://www.mozilla.org/security/advisories/mfsa2022-24/
cvssv3.1 8.8 https://www.mozilla.org/security/advisories/mfsa2022-25/
ssvc Track* https://www.mozilla.org/security/advisories/mfsa2022-25/
cvssv3.1 8.8 https://www.mozilla.org/security/advisories/mfsa2022-26/
ssvc Track* https://www.mozilla.org/security/advisories/mfsa2022-26/
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2022-34484.json
https://api.first.org/data/v1/epss?cve=CVE-2022-34484
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-2200
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-2226
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-31744
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-34468
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-34470
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-34472
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-34479
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-34481
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-34484
2102169 https://bugzilla.redhat.com/show_bug.cgi?id=2102169
buglist.cgi?bug_id=1763634%2C1772651 https://bugzilla.mozilla.org/buglist.cgi?bug_id=1763634%2C1772651
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-2022-34484 https://nvd.nist.gov/vuln/detail/CVE-2022-34484
mfsa2022-24 https://www.mozilla.org/en-US/security/advisories/mfsa2022-24
mfsa2022-24 https://www.mozilla.org/security/advisories/mfsa2022-24/
mfsa2022-25 https://www.mozilla.org/en-US/security/advisories/mfsa2022-25
mfsa2022-25 https://www.mozilla.org/security/advisories/mfsa2022-25/
mfsa2022-26 https://www.mozilla.org/en-US/security/advisories/mfsa2022-26
mfsa2022-26 https://www.mozilla.org/security/advisories/mfsa2022-26/
RHSA-2022:5469 https://access.redhat.com/errata/RHSA-2022:5469
RHSA-2022:5470 https://access.redhat.com/errata/RHSA-2022:5470
RHSA-2022:5472 https://access.redhat.com/errata/RHSA-2022:5472
RHSA-2022:5473 https://access.redhat.com/errata/RHSA-2022:5473
RHSA-2022:5474 https://access.redhat.com/errata/RHSA-2022:5474
RHSA-2022:5475 https://access.redhat.com/errata/RHSA-2022:5475
RHSA-2022:5477 https://access.redhat.com/errata/RHSA-2022:5477
RHSA-2022:5478 https://access.redhat.com/errata/RHSA-2022:5478
RHSA-2022:5479 https://access.redhat.com/errata/RHSA-2022:5479
RHSA-2022:5480 https://access.redhat.com/errata/RHSA-2022:5480
RHSA-2022:5481 https://access.redhat.com/errata/RHSA-2022:5481
RHSA-2022:5482 https://access.redhat.com/errata/RHSA-2022:5482
USN-5504-1 https://usn.ubuntu.com/5504-1/
USN-5512-1 https://usn.ubuntu.com/5512-1/
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-2022-34484.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
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=1763634%2C1772651
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:P/A:N/T:T/P:M/B:A/M:M/D:R/2025-04-15T17:42:21Z/ Found at https://bugzilla.mozilla.org/buglist.cgi?bug_id=1763634%2C1772651
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-2022-34484
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/mfsa2022-24/
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:P/A:N/T:T/P:M/B:A/M:M/D:R/2025-04-15T17:42:21Z/ Found at https://www.mozilla.org/security/advisories/mfsa2022-24/
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/mfsa2022-25/
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:P/A:N/T:T/P:M/B:A/M:M/D:R/2025-04-15T17:42:21Z/ Found at https://www.mozilla.org/security/advisories/mfsa2022-25/
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/mfsa2022-26/
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:P/A:N/T:T/P:M/B:A/M:M/D:R/2025-04-15T17:42:21Z/ Found at https://www.mozilla.org/security/advisories/mfsa2022-26/
Exploit Prediction Scoring System (EPSS)
Percentile 0.42133
EPSS Score 0.00197
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:10:03.421291+00:00 Mozilla Importer Import https://github.com/mozilla/foundation-security-advisories/blob/master/announce/2022/mfsa2022-25.yml 37.0.0