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CVE-2024-0742

MEDIUM
4.3
CVSS Score
Published: January 23, 2024 at 01:48 PM UTC
Updated: June 17, 2026 at 06:54 AM UTC
4 products affected across 2 vendorsDebian LinuxFirefoxThunderbird

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Severity
MEDIUM4.3
Exploit prediction
EPSS 0.6%
SSVC
No known exploit

Description

It was possible for certain browser prompts and dialogs to be activated or dismissed unintentionally by the user due to an incorrect timestamp used to prevent input after page load. This vulnerability affects Firefox < 122, Firefox ESR < 115.7, and Thunderbird < 115.7.

Affected

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

Debian Linux· Debiandrupal
95%
10.0
Firefox· Mozilla
95%
v < 122
Affected range stops below 122, so it looks safe — our inference, not a vendor statement
Affected range stops below 122.0, so it looks safe — our inference, not a vendor statement
Firefox ESR· Mozilla
95%
v < 115.7
Affected range stops below 115.7, so it looks safe — our inference, not a vendor statement
Thunderbird· Mozilla
95%
v < 115.7
Affected range stops below 115.7, 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 (6)

Issue TrackingPermissions Required
Source: [email protected]
https://bugzilla.mozilla.org/show_bug.cgi?id=1867152
Mailing ListThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2024/01/msg00015.html
Mailing ListThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2024/01/msg00022.html
Vendor Advisory
Source: [email protected]
https://www.mozilla.org/security/advisories/mfsa2024-01/
Vendor Advisory
Source: [email protected]
https://www.mozilla.org/security/advisories/mfsa2024-02/
Vendor Advisory
Source: [email protected]
https://www.mozilla.org/security/advisories/mfsa2024-04/

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

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

CVSS

4.3MEDIUMCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-noinfo

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