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Vulnerability details: VCID-k4wu-xhbk-dbeq
Vulnerability ID VCID-k4wu-xhbk-dbeq
Aliases CVE-2022-45406
Summary If an out-of-memory condition occurred when creating a JavaScript global, a JavaScript realm may be deleted while references to it lived on in a BaseShape. This could lead to a use-after-free causing a potentially exploitable crash.
Status Published
Exploitability 0.5
Weighted Severity 8.8
Risk 4.4
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-416 Use After Free
System Score Found at
cvssv3 9.8 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2022-45406.json
epss 0.00283 https://api.first.org/data/v1/epss?cve=CVE-2022-45406
epss 0.00283 https://api.first.org/data/v1/epss?cve=CVE-2022-45406
epss 0.00283 https://api.first.org/data/v1/epss?cve=CVE-2022-45406
epss 0.00283 https://api.first.org/data/v1/epss?cve=CVE-2022-45406
epss 0.00283 https://api.first.org/data/v1/epss?cve=CVE-2022-45406
epss 0.00283 https://api.first.org/data/v1/epss?cve=CVE-2022-45406
epss 0.00283 https://api.first.org/data/v1/epss?cve=CVE-2022-45406
epss 0.0037 https://api.first.org/data/v1/epss?cve=CVE-2022-45406
epss 0.0037 https://api.first.org/data/v1/epss?cve=CVE-2022-45406
epss 0.0037 https://api.first.org/data/v1/epss?cve=CVE-2022-45406
epss 0.0037 https://api.first.org/data/v1/epss?cve=CVE-2022-45406
epss 0.0037 https://api.first.org/data/v1/epss?cve=CVE-2022-45406
epss 0.0037 https://api.first.org/data/v1/epss?cve=CVE-2022-45406
epss 0.0037 https://api.first.org/data/v1/epss?cve=CVE-2022-45406
epss 0.0037 https://api.first.org/data/v1/epss?cve=CVE-2022-45406
epss 0.0037 https://api.first.org/data/v1/epss?cve=CVE-2022-45406
epss 0.0037 https://api.first.org/data/v1/epss?cve=CVE-2022-45406
epss 0.0037 https://api.first.org/data/v1/epss?cve=CVE-2022-45406
epss 0.0037 https://api.first.org/data/v1/epss?cve=CVE-2022-45406
epss 0.0037 https://api.first.org/data/v1/epss?cve=CVE-2022-45406
epss 0.0037 https://api.first.org/data/v1/epss?cve=CVE-2022-45406
epss 0.0037 https://api.first.org/data/v1/epss?cve=CVE-2022-45406
epss 0.0037 https://api.first.org/data/v1/epss?cve=CVE-2022-45406
epss 0.00403 https://api.first.org/data/v1/epss?cve=CVE-2022-45406
epss 0.00403 https://api.first.org/data/v1/epss?cve=CVE-2022-45406
cvssv3.1 9.8 https://bugzilla.mozilla.org/show_bug.cgi?id=1791975
ssvc Track https://bugzilla.mozilla.org/show_bug.cgi?id=1791975
cvssv3.1 9.8 https://nvd.nist.gov/vuln/detail/CVE-2022-45406
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2022-47
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2022-48
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2022-49
cvssv3.1 9.8 https://www.mozilla.org/security/advisories/mfsa2022-47/
ssvc Track https://www.mozilla.org/security/advisories/mfsa2022-47/
cvssv3.1 9.8 https://www.mozilla.org/security/advisories/mfsa2022-48/
ssvc Track https://www.mozilla.org/security/advisories/mfsa2022-48/
cvssv3.1 9.8 https://www.mozilla.org/security/advisories/mfsa2022-49/
ssvc Track https://www.mozilla.org/security/advisories/mfsa2022-49/
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2022-45406.json
https://api.first.org/data/v1/epss?cve=CVE-2022-45406
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-45403
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-45404
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-45405
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-45406
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-45408
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-45409
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-45410
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-45411
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-45412
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-45416
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-45418
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-45420
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-45421
2143200 https://bugzilla.redhat.com/show_bug.cgi?id=2143200
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-2022-45406 https://nvd.nist.gov/vuln/detail/CVE-2022-45406
mfsa2022-47 https://www.mozilla.org/en-US/security/advisories/mfsa2022-47
mfsa2022-47 https://www.mozilla.org/security/advisories/mfsa2022-47/
mfsa2022-48 https://www.mozilla.org/en-US/security/advisories/mfsa2022-48
mfsa2022-48 https://www.mozilla.org/security/advisories/mfsa2022-48/
mfsa2022-49 https://www.mozilla.org/en-US/security/advisories/mfsa2022-49
mfsa2022-49 https://www.mozilla.org/security/advisories/mfsa2022-49/
RHSA-2022:8543 https://access.redhat.com/errata/RHSA-2022:8543
RHSA-2022:8544 https://access.redhat.com/errata/RHSA-2022:8544
RHSA-2022:8545 https://access.redhat.com/errata/RHSA-2022:8545
RHSA-2022:8547 https://access.redhat.com/errata/RHSA-2022:8547
RHSA-2022:8548 https://access.redhat.com/errata/RHSA-2022:8548
RHSA-2022:8549 https://access.redhat.com/errata/RHSA-2022:8549
RHSA-2022:8550 https://access.redhat.com/errata/RHSA-2022:8550
RHSA-2022:8552 https://access.redhat.com/errata/RHSA-2022:8552
RHSA-2022:8553 https://access.redhat.com/errata/RHSA-2022:8553
RHSA-2022:8554 https://access.redhat.com/errata/RHSA-2022:8554
RHSA-2022:8555 https://access.redhat.com/errata/RHSA-2022:8555
RHSA-2022:8556 https://access.redhat.com/errata/RHSA-2022:8556
RHSA-2022:8561 https://access.redhat.com/errata/RHSA-2022:8561
RHSA-2022:8580 https://access.redhat.com/errata/RHSA-2022:8580
RHSA-2022:8979 https://access.redhat.com/errata/RHSA-2022:8979
RHSA-2022:8980 https://access.redhat.com/errata/RHSA-2022:8980
show_bug.cgi?id=1791975 https://bugzilla.mozilla.org/show_bug.cgi?id=1791975
USN-5726-1 https://usn.ubuntu.com/5726-1/
USN-5824-1 https://usn.ubuntu.com/5824-1/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2022-45406.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:N/S:U/C:H/I:H/A:H Found at https://bugzilla.mozilla.org/show_bug.cgi?id=1791975
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:Y/T:T/P:M/B:A/M:M/D:T/2025-04-15T14:46:39Z/ Found at https://bugzilla.mozilla.org/show_bug.cgi?id=1791975
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2022-45406
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:N/S:U/C:H/I:H/A:H Found at https://www.mozilla.org/security/advisories/mfsa2022-47/
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:Y/T:T/P:M/B:A/M:M/D:T/2025-04-15T14:46:39Z/ Found at https://www.mozilla.org/security/advisories/mfsa2022-47/
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://www.mozilla.org/security/advisories/mfsa2022-48/
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:Y/T:T/P:M/B:A/M:M/D:T/2025-04-15T14:46:39Z/ Found at https://www.mozilla.org/security/advisories/mfsa2022-48/
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://www.mozilla.org/security/advisories/mfsa2022-49/
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:Y/T:T/P:M/B:A/M:M/D:T/2025-04-15T14:46:39Z/ Found at https://www.mozilla.org/security/advisories/mfsa2022-49/
Exploit Prediction Scoring System (EPSS)
Percentile 0.51326
EPSS Score 0.00283
Published At Sept. 9, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:10:02.792005+00:00 Mozilla Importer Import https://github.com/mozilla/foundation-security-advisories/blob/master/announce/2022/mfsa2022-49.yml 37.0.0