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CVE-2022-46872

HIGH
8.6
CVSS Score
Published: December 22, 2022 at 12:00 AM UTC
Updated: June 17, 2026 at 05:12 AM UTC
3 products affected across 1 vendorFirefoxThunderbirdFirefox ESR· also runs on 1 platform

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Severity
HIGH8.6
Exploit prediction
EPSS 0.8%
SSVC
No known exploit

Description

An attacker who compromised a content process could have partially escaped the sandbox to read arbitrary files via clipboard-related IPC messages.<br>*This bug only affects Thunderbird for Linux. Other operating systems are unaffected.*. This vulnerability affects Firefox < 108, Firefox ESR < 102.6, and Thunderbird < 102.6.

Affected

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

Firefox· Mozilla
95%
v < 108
Affected range stops below 108, so it looks safe — our inference, not a vendor statement
Affected range stops below 108.0, so it looks safe — our inference, not a vendor statement
Firefox ESR· Mozilla
95%
v < 102.6
Affected range stops below 102.6, so it looks safe — our inference, not a vendor statement
Thunderbird· Mozilla
95%
v < 102.6
Affected range stops below 102.6, so it looks safe — our inference, not a vendor statement
linux-linux-kernel (environment)

Runs on — not affected

The affected product only carries this flaw when running on these platforms. The platforms themselves are not vulnerable.

References (6)

Issue TrackingPermissions RequiredVendor Advisory
Source: [email protected]
https://bugzilla.mozilla.org/show_bug.cgi?id=1799156
Vendor Advisory
Source: [email protected]
https://security.gentoo.org/glsa/202305-06
Vendor Advisory
Source: [email protected]
https://security.gentoo.org/glsa/202305-13
Vendor Advisory
Source: [email protected]
https://www.mozilla.org/security/advisories/mfsa2022-51/
Vendor Advisory
Source: [email protected]
https://www.mozilla.org/security/advisories/mfsa2022-52/
Vendor Advisory
Source: [email protected]
https://www.mozilla.org/security/advisories/mfsa2022-53/

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

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

CVSS

8.6HIGHCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-noinfoCWE-125

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