CVE-2025-55651

MEDIUMPre-NVD 5.55.5
EchelonGraph scoreHIGH confidence

Score 5.5 from GitHub Security Advisory published 2026-06-09. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 5.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this week
5.5
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 5.5Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

A NULL pointer dereference in the gf_isom_get_user_data_count function (isomedia/isom_read.c) of GPAC MP4Box v2.4 allows attackers to cause a Denial of Service (DoS) via supplying a crafted MP4 file.

CVSS v3
5.5
EG Score
5.5(high)
EPSS
9.0%
KEV
Not listed

Published

June 9, 2026

Last Modified

June 14, 2026

Advisory Details (2)

Auto-updated Jun 13, 2026
No patch confirmed yet.
generic

pocs/res/gpac/MP4Box/4/4_poc.mp4 at main · sigdevel/pocs · GitHub

https://github.com/sigdevel/pocs/blob/main/res/gpac/MP4Box/4/4_poc.mp4
generic

sigdevel: "Security Advisory: CVE-2025-55651 - NULL Pointer …" - Infosec Exchange

https://infosec.exchange/@sigdevel/116710512103919834

Vendor Advisories for CVE-2025-55651(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 21× in last 7d / 91× 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.

  1. 2026-07-06 16:27 UTCEPSS rescore
  2. 2026-07-06 16:27 UTCEPSS rescore
  3. 2026-07-06 02:23 UTCEPSS rescore
  4. 2026-07-06 02:23 UTCEPSS rescore
  5. 2026-07-05 13:33 UTCEG score recompute
  6. 2026-07-05 13:33 UTCGHSA enrichment
  7. 2026-07-05 02:30 UTCEPSS rescore
  8. 2026-07-04 13:16 UTCEG score recompute
  9. 2026-07-04 13:16 UTCGHSA enrichment
  10. 2026-07-04 06:30 UTCEPSS rescore
  11. 2026-07-03 08:46 UTCEG score recompute
  12. 2026-07-03 08:46 UTCGHSA enrichment
  13. 2026-07-02 17:01 UTCEPSS rescore
  14. 2026-07-02 06:51 UTCEG score recompute
  15. 2026-07-02 06:51 UTCGHSA enrichment
  16. 2026-07-01 15:06 UTCEPSS rescore
  17. 2026-07-01 07:50 UTCEG score recompute
  18. 2026-07-01 07:50 UTCGHSA enrichment
  19. 2026-06-30 23:22 UTCEPSS rescore
  20. 2026-06-30 08:49 UTCEG score recompute
  21. 2026-06-30 08:49 UTCGHSA enrichment
  22. 2026-06-29 14:06 UTCEPSS rescore
  23. 2026-06-29 14:06 UTCEPSS rescore
  24. 2026-06-29 09:46 UTCEG score recompute
  25. 2026-06-29 09:46 UTCGHSA enrichment
Show 66 more
  1. 2026-06-28 14:07 UTCEPSS rescore
  2. 2026-06-28 14:07 UTCEPSS rescore
  3. 2026-06-28 10:38 UTCEG score recompute
  4. 2026-06-28 10:38 UTCGHSA enrichment
  5. 2026-06-28 04:55 UTCEPSS rescore
  6. 2026-06-27 11:36 UTCEG score recompute
  7. 2026-06-27 11:36 UTCGHSA enrichment
  8. 2026-06-27 03:08 UTCEPSS rescore
  9. 2026-06-27 03:08 UTCEPSS rescore
  10. 2026-06-26 12:30 UTCEG score recompute
  11. 2026-06-26 12:30 UTCGHSA enrichment
  12. 2026-06-25 13:49 UTCEPSS rescore
  13. 2026-06-25 08:04 UTCEG score recompute
  14. 2026-06-25 08:04 UTCGHSA enrichment
  15. 2026-06-24 14:04 UTCEPSS rescore
  16. 2026-06-24 14:04 UTCEPSS rescore
  17. 2026-06-24 09:02 UTCEG score recompute
  18. 2026-06-24 09:02 UTCGHSA enrichment
  19. 2026-06-23 21:32 UTCEPSS rescore
  20. 2026-06-23 10:00 UTCEG score recompute
  21. 2026-06-23 10:00 UTCGHSA enrichment
  22. 2026-06-22 14:25 UTCEPSS rescore
  23. 2026-06-22 09:09 UTCEG score recompute
  24. 2026-06-22 09:09 UTCGHSA enrichment
  25. 2026-06-21 14:56 UTCEPSS rescore
  26. 2026-06-21 14:56 UTCEPSS rescore
  27. 2026-06-21 07:34 UTCEG score recompute
  28. 2026-06-21 07:34 UTCGHSA enrichment
  29. 2026-06-21 01:59 UTCEPSS rescore
  30. 2026-06-21 01:59 UTCEPSS rescore
  31. 2026-06-20 08:31 UTCEG score recompute
  32. 2026-06-20 08:31 UTCGHSA enrichment
  33. 2026-06-19 19:25 UTCEPSS rescore
  34. 2026-06-19 19:25 UTCEPSS rescore
  35. 2026-06-19 09:23 UTCEG score recompute
  36. 2026-06-19 09:23 UTCGHSA enrichment
  37. 2026-06-18 17:52 UTCEPSS rescore
  38. 2026-06-18 17:52 UTCEPSS rescore
  39. 2026-06-18 09:38 UTCEG score recompute
  40. 2026-06-18 09:38 UTCGHSA enrichment
  41. 2026-06-17 17:52 UTCEPSS rescore
  42. 2026-06-17 10:33 UTCEG score recompute
  43. 2026-06-17 10:33 UTCGHSA enrichment
  44. 2026-06-16 17:52 UTCEPSS rescore
  45. 2026-06-16 17:52 UTCEPSS rescore
  46. 2026-06-16 11:26 UTCEG score recompute
  47. 2026-06-16 11:26 UTCGHSA enrichment
  48. 2026-06-15 17:48 UTCEPSS rescore
  49. 2026-06-15 12:25 UTCEG score recompute
  50. 2026-06-15 12:25 UTCGHSA enrichment
  51. 2026-06-14 23:17 UTCEPSS rescore
  52. 2026-06-14 13:24 UTCEG score recompute
  53. 2026-06-14 13:24 UTCGHSA enrichment
  54. 2026-06-13 23:00 UTCEPSS rescore
  55. 2026-06-13 14:22 UTCEG score recompute
  56. 2026-06-13 14:22 UTCGHSA enrichment
  57. 2026-06-12 23:11 UTCEPSS rescore
  58. 2026-06-12 15:20 UTCEG score recompute 5.50
  59. 2026-06-12 15:19 UTCGHSA enrichment
  60. 2026-06-11 14:00 UTCEPSS rescore
  61. 2026-06-11 14:00 UTCEPSS rescore
  62. 2026-06-10 22:18 UTCEPSS rescore
  63. 2026-06-10 22:18 UTCEPSS rescore
  64. 2026-06-10 15:18 UTCNVD updateCVSS v3 → 5.5 · severity → MEDIUM
  65. 2026-06-09 19:22 UTCEG score recompute
  66. 2026-06-09 19:21 UTCNVD updatefirst tracked

Frequently asked(5)

What is CVE-2025-55651?
CVE-2025-55651 is a medium vulnerability published on June 9, 2026. A NULL pointer dereference in the gfisomgetuserdatacount function (isomedia/isomread.c) of GPAC MP4Box v2.4 allows attackers to cause a Denial of Service (DoS) via supplying a crafted MP4 file.
When was CVE-2025-55651 disclosed?
CVE-2025-55651 was first published in the National Vulnerability Database on June 9, 2026, with the most recent update on June 14, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-55651 actively exploited?
CVE-2025-55651 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 9.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2025-55651?
CVE-2025-55651 has a CVSS v3.1 base score of 5.5 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2025-55651?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-55651, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2025-55651

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