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CVE-2024-29944

HIGH

8.4

CVSS Score

Published: March 22, 2024 at 12:55 PM UTC

Updated: June 17, 2026 at 07:23 AM UTC

3 products affected across 2 vendorsDebian LinuxFirefoxFirefox ESR

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Severity

HIGH8.4

Exploit prediction

EPSS 5%

SSVC

No known exploit

Description

An attacker was able to inject an event handler into a privileged object that would allow arbitrary JavaScript execution in the parent process. Note: This vulnerability affects Desktop Firefox only, it does not affect mobile versions of Firefox. This vulnerability affects Firefox < 124.0.1 and Firefox ESR < 115.9.1.

Affected

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

Debian Linux · Debiandrupal

95%

Firefox · Mozilla

95%

v ≤ 124.0.1v < 115.9.1v < 124v < 124.0.1

Affected range stops below 115.9.1, so it looks safe — our inference, not a vendor statement

Affected range stops below 124, so it looks safe — our inference, not a vendor statement

Affected range stops below 124.0.1, so it looks safe — our inference, not a vendor statement

Firefox ESR · Mozilla

60%

v < 115.9.1

Affected range stops below 115.9.1, 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 (5)

Mailing List

Source: [email protected]

http://www.openwall.com/lists/oss-security/2024/03/23/1

Issue Tracking

Source: [email protected]

https://bugzilla.mozilla.org/show_bug.cgi?id=1886852

Mailing List

Source: [email protected]

https://lists.debian.org/debian-lts-announce/2024/03/msg00028.html

Vendor Advisory

Source: [email protected]

https://www.mozilla.org/security/advisories/mfsa2024-15/

Vendor Advisory

Source: [email protected]

https://www.mozilla.org/security/advisories/mfsa2024-16/

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

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

CVSS

8.4HIGHCISA-ADP

Attack Vector: LOCAL
Complexity: LOW
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: HIGH
Availability: HIGH

Vector?

Quick Info

StatusANALYZED

CWE

CWE-830

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