CVE-2022-22737

HIGH

7.5

CVSS Score

Published: December 22, 2022 at 12:00 AM UTC

Updated: June 17, 2026 at 04:28 AM UTC

3 products affected across 1 vendorFirefoxThunderbirdFirefox ESR

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Severity

HIGH7.5

Exploit prediction

EPSS 0.8%

SSVC

PoC

Description

Constructing audio sinks could have lead to a race condition when playing audio files and closing windows. This could have lead to a use-after-free causing a potentially exploitable crash. This vulnerability affects Firefox ESR < 91.5, Firefox < 96, and Thunderbird < 91.5.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Firefox · Mozilla

95%

v < 96

Affected range stops below 96, so it looks safe — our inference, not a vendor statement

Affected range stops below 96.0, so it looks safe — our inference, not a vendor statement

Firefox ESR · Mozilla

95%

v < 91.5

Affected range stops below 91.5, so it looks safe — our inference, not a vendor statement

Thunderbird · Mozilla

95%

v < 91.5

Affected range stops below 91.5, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (4)

ExploitIssue TrackingVendor Advisory

Source: [email protected]

https://bugzilla.mozilla.org/show_bug.cgi?id=1745874

Vendor Advisory

Source: [email protected]

https://www.mozilla.org/security/advisories/mfsa2022-01/

Vendor Advisory

Source: [email protected]

https://www.mozilla.org/security/advisories/mfsa2022-02/

Vendor Advisory

Source: [email protected]

https://www.mozilla.org/security/advisories/mfsa2022-03/

SSVC — Action Prioritization

SSVCPoCNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHCISA-ADP

Attack Vector: NETWORK
Complexity: HIGH
Privileges: NONE
User Interaction: REQUIRED
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: HIGH
Availability: HIGH

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-362

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