CVE-2024-29944

HIGHNVD 8.48.4—
EchelonGraph scoreMEDIUM confidence

Score 8.4 from GitHub Security Advisory (severity: HIGH) published 2024-03-22. NVD baseline CVSS 8.4; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
8.4EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 4.7%CVSS: 8.4Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

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.

CVSS v3
8.4
EG Score
8.4HIGHmedium confidence
EG Risk
40
EG Risk 40/100CISA SSVC

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity84% × 45%
Exploitation5% × 40%
Automatability0% × 15%
CISA SSVC: Track at low or medium mission impact; Track* at high (mission-essential systems).
Action: A fix is available. Apply it within your standard update timelines.
EPSS PROB
4.7%
EPSS %ILE
91st
KEV
Not listed

CISA SSVCTrack at low or medium mission impact; Track* at high (mission-essential systems).

A fix is available. Apply it within your standard update timelines.

Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact total (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

March 22, 2024

Last Modified

April 1, 2025

Advisory Details (5)

Auto-updated Sep 4, 2026
Patch available.
generic

Security Vulnerabilities fixed in Firefox ESR 115.9.1 — Mozilla

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

Security Vulnerabilities fixed in Firefox 124.0.1 — Mozilla

https://www.mozilla.org/security/advisories/mfsa2024-15/
genericMentions a patch (unverified)

[SECURITY] [DLA 3775-1] firefox-esr security update

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

1886852 - (CVE-2024-29944) [pwn2own-2024] sandbox escape using non-SHIP session restore

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

oss-security - Firefox 124.0.1 fixes two critical JavaScript engine vulnerabilities

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

Patch Availability(10)

Vendor / EcosystemFix (by version range) / PatchReleasedSource
ubuntufirefox-mozsymbols (124.0.1+build1-0ubuntu0.20.04.1) @ focal2026-05-24ubuntu
redhatfirefox-0:115.9.1-1.el7_92024-03-25redhat
redhatfirefox-0:115.9.1-1.el8_92024-03-25redhat
redhatfirefox-0:115.9.1-1.el8_22024-03-25redhat
redhatfirefox-0:115.9.1-1.el8_42024-03-25redhat
redhatfirefox-0:115.9.1-1.el8_62024-03-25redhat
redhatfirefox-0:115.9.1-1.el9_32024-03-25redhat
redhatfirefox-0:115.9.1-1.el9_22024-03-25redhat
redhatfirefox-0:115.9.1-1.el8_82024-03-25redhat
redhatfirefox-0:115.9.1-1.el9_02024-03-25redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(5 across 5 ecosystems)
Debian:10(1)
PackageVulnerable rangeFix by version rangeDependents
firefox-esr102.1.0esr-1 ... 91.9.1esr-1~deb9u1 (249 versions)
  • every version up to 115.9.1esr-1~deb10u1: fixed in 115.9.1esr-1~deb10u1
—
Debian:11(1)
PackageVulnerable rangeFix by version rangeDependents
firefox-esr102.1.0esr-1 ... 91.9.1esr-1~deb9u1 (147 versions)
  • every version up to 115.9.1esr-1~deb11u1: fixed in 115.9.1esr-1~deb11u1
—
Debian:12(1)
PackageVulnerable rangeFix by version rangeDependents
firefox-esr102.11.0esr-1 ... 115.9.1esr-1~deb11u1 (54 versions)
  • every version up to 115.9.1esr-1~deb12u1: fixed in 115.9.1esr-1~deb12u1
—
Debian:13(1)
PackageVulnerable rangeFix by version rangeDependents
firefox-esr—
  • every version up to 115.9.1esr-1: fixed in 115.9.1esr-1
—
Debian:14(1)
PackageVulnerable rangeFix by version rangeDependents
firefox-esr—
  • every version up to 115.9.1esr-1: fixed in 115.9.1esr-1
—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

All Vendor Advisories

(10)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 7× in last 7d / 31× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 192 total refreshes for this CVE.

  1. 2026-10-09 20:05 UTCEPSS rescore
  2. 2026-10-08 17:07 UTCEPSS rescore
  3. 2026-10-07 23:46 UTCEPSS rescore
  4. 2026-10-06 15:15 UTCEPSS rescore
  5. 2026-10-05 17:41 UTCEPSS rescore
  6. 2026-10-04 23:20 UTCEPSS rescore
  7. 2026-10-03 14:24 UTCEPSS rescore
  8. 2026-10-01 19:48 UTCEPSS rescore
  9. 2026-09-30 19:41 UTCEG score recompute
  10. 2026-09-30 15:01 UTCEPSS rescore
  11. 2026-09-29 15:17 UTCEPSS rescore
  12. 2026-09-28 13:49 UTCEPSS rescore
  13. 2026-09-27 13:43 UTCEPSS rescore
  14. 2026-09-26 15:57 UTCEPSS rescore
  15. 2026-09-26 00:23 UTCEPSS rescore
  16. 2026-09-24 14:01 UTCEPSS rescore
  17. 2026-09-23 13:46 UTCEPSS rescore
  18. 2026-09-23 13:46 UTCEPSS rescore
  19. 2026-09-22 14:46 UTCEPSS rescore
  20. 2026-09-22 05:15 UTCOSV refresh
  21. 2026-09-20 20:14 UTCEPSS rescore
  22. 2026-09-19 15:40 UTCEPSS rescore
  23. 2026-09-18 19:26 UTCEPSS rescore
  24. 2026-09-16 14:06 UTCEPSS rescore
  25. 2026-09-16 14:06 UTCEPSS rescore
Show 75 more
  1. 2026-09-15 03:08 UTCEPSS rescore
  2. 2026-09-15 03:08 UTCEPSS rescore
  3. 2026-09-13 16:45 UTCEPSS rescore
  4. 2026-09-12 14:59 UTCEPSS rescore
  5. 2026-09-11 14:51 UTCEPSS rescore
  6. 2026-09-11 09:35 UTCEPSS rescore
  7. 2026-09-08 21:58 UTCEPSS rescore
  8. 2026-09-07 15:59 UTCEPSS rescore
  9. 2026-09-06 13:46 UTCEPSS rescore
  10. 2026-09-06 13:46 UTCEPSS rescore
  11. 2026-09-05 15:26 UTCEPSS rescore
  12. 2026-09-04 13:58 UTCEPSS rescore
  13. 2026-09-04 05:05 UTCEPSS rescore
  14. 2026-09-03 02:30 UTCOSV refresh
  15. 2026-09-02 14:10 UTCEPSS rescore
  16. 2026-09-01 13:52 UTCEPSS rescore
  17. 2026-08-30 19:15 UTCEPSS rescore
  18. 2026-08-30 01:20 UTCEPSS rescore
  19. 2026-08-28 21:39 UTCEPSS rescore
  20. 2026-08-27 14:23 UTCEPSS rescore
  21. 2026-08-26 14:44 UTCEPSS rescore
  22. 2026-08-25 13:47 UTCEPSS rescore
  23. 2026-08-24 14:15 UTCEPSS rescore
  24. 2026-08-23 00:17 UTCEPSS rescore
  25. 2026-08-21 23:47 UTCEPSS rescore
  26. 2026-08-20 22:53 UTCEPSS rescore
  27. 2026-08-19 17:02 UTCEPSS rescore
  28. 2026-08-19 17:02 UTCEPSS rescore
  29. 2026-08-18 13:46 UTCEPSS rescore
  30. 2026-08-18 13:46 UTCEPSS rescore
  31. 2026-08-17 13:45 UTCEPSS rescore
  32. 2026-08-16 15:44 UTCOSV refresh
  33. 2026-08-16 14:54 UTCEPSS rescore
  34. 2026-08-16 02:13 UTCEPSS rescore
  35. 2026-08-15 01:28 UTCEPSS rescore
  36. 2026-08-13 21:59 UTCEPSS rescore
  37. 2026-08-12 13:49 UTCEPSS rescore
  38. 2026-08-11 13:40 UTCEPSS rescore
  39. 2026-08-10 23:58 UTCEPSS rescore
  40. 2026-08-09 13:45 UTCEPSS rescore
  41. 2026-08-08 16:35 UTCEPSS rescore
  42. 2026-08-07 16:25 UTCEPSS rescore
  43. 2026-08-06 13:45 UTCEPSS rescore
  44. 2026-08-05 19:16 UTCEPSS rescore
  45. 2026-08-04 15:08 UTCEPSS rescore
  46. 2026-08-04 10:36 UTCEPSS rescore
  47. 2026-08-03 10:34 UTCEPSS rescore
  48. 2026-08-02 02:25 UTCEPSS rescore
  49. 2026-08-02 02:25 UTCEPSS rescore
  50. 2026-08-01 09:06 UTCOSV refresh
  51. 2026-08-01 04:14 UTCEPSS rescore
  52. 2026-07-30 16:26 UTCEPSS rescore
  53. 2026-07-30 16:26 UTCEPSS rescore
  54. 2026-07-30 01:29 UTCEPSS rescore
  55. 2026-07-28 15:34 UTCEPSS rescore
  56. 2026-07-26 14:53 UTCEPSS rescore
  57. 2026-07-26 14:53 UTCEPSS rescore
  58. 2026-07-25 14:16 UTCEPSS rescore
  59. 2026-07-24 14:16 UTCEPSS rescore
  60. 2026-07-23 14:17 UTCEPSS rescore
  61. 2026-07-23 02:35 UTCEG score recompute
  62. 2026-07-22 14:07 UTCEPSS rescore
  63. 2026-07-21 15:23 UTCEPSS rescore
  64. 2026-07-20 17:06 UTCEPSS rescore
  65. 2026-07-19 14:30 UTCEPSS rescore
  66. 2026-07-19 14:30 UTCEPSS rescore
  67. 2026-07-19 02:28 UTCEPSS rescore
  68. 2026-07-19 02:28 UTCEPSS rescore
  69. 2026-07-18 10:03 UTCEPSS rescore
  70. 2026-07-18 10:03 UTCEPSS rescore
  71. 2026-07-16 17:01 UTCEPSS rescore
  72. 2026-07-15 16:56 UTCEPSS rescore
  73. 2026-07-15 16:56 UTCEPSS rescore
  74. 2026-07-15 01:59 UTCEPSS rescore
  75. 2026-07-15 01:59 UTCEPSS rescore

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Frequently asked(5)

What is CVE-2024-29944?
CVE-2024-29944 is a high vulnerability published on March 22, 2024. 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…
When was CVE-2024-29944 disclosed?
CVE-2024-29944 was first published on March 22, 2024, with the most recent update on April 1, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2024-29944 actively exploited?
CVE-2024-29944 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 4.7% probability of exploitation in the next 30 days (91st percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2024-29944?
CVE-2024-29944 has a CVSS v3 base score of 8.4 (NVD).
How do I remediate CVE-2024-29944?
A fix for CVE-2024-29944 is available: update to the fixed version the vendor names in its advisory.

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