CVE-2025-55642

MEDIUMPre-NVD 6.56.5—
EchelonGraph scoreMEDIUM confidence

Score 6.5 from GitHub Security Advisory published 2026-06-15. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 6.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this week
6.5
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 6.5Exploit: NoneExposed: 0

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

GPAC MP4Box v2.4 was discovered to contain a floating point exception in the avidmx_process function (isomedia/isom_write.c).

CVSS v3
6.5
EG Score
6.5(medium)
EG Risk
29(Track)
EG Risk 29/100SSVC: Track

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
Severity65% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
28.8%
KEV
Not listed

Published

June 15, 2026

Last Modified

June 16, 2026

Advisory Details (2)

Auto-updated Jun 15, 2026
No patch confirmed yet.
generic

oss-security - CVE-2025-55642: Divide by Zero in GPAC/MP4Box via avidmx_process on crafted AVI input with zero declared frames

http://www.openwall.com/lists/oss-security/2026/06/13/8
generic

sigdevel: "Security Advisory: CVE-2025-55642 - Divide by Zer…" - Infosec Exchange

https://infosec.exchange/@sigdevel/116736787186993437

Vendor Advisories for CVE-2025-55642(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 12× in last 7d / 68× 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. 2026-07-23 14:18 UTCEPSS rescore
  2. 2026-07-23 02:59 UTCEG score recompute
  3. 2026-07-22 14:08 UTCEPSS rescore
  4. 2026-07-22 14:07 UTCEPSS rescore
  5. 2026-07-21 15:24 UTCEPSS rescore
  6. 2026-07-20 17:08 UTCEPSS rescore
  7. 2026-07-19 14:30 UTCEPSS rescore
  8. 2026-07-19 14:30 UTCEPSS rescore
  9. 2026-07-19 02:28 UTCEPSS rescore
  10. 2026-07-18 10:04 UTCEPSS rescore
  11. 2026-07-16 23:07 UTCGHSA enrichment
  12. 2026-07-16 17:02 UTCEPSS rescore
  13. 2026-07-15 16:57 UTCEPSS rescore
  14. 2026-07-15 16:57 UTCEPSS rescore
  15. 2026-07-15 15:58 UTCGHSA enrichment
  16. 2026-07-15 01:59 UTCEPSS rescore
  17. 2026-07-15 01:59 UTCEPSS rescore
  18. 2026-07-14 14:19 UTCGHSA enrichment
  19. 2026-07-13 22:29 UTCEPSS rescore
  20. 2026-07-13 15:45 UTCGHSA enrichment
  21. 2026-07-13 06:12 UTCEPSS rescore
  22. 2026-07-13 06:12 UTCEPSS rescore
  23. 2026-07-12 17:08 UTCGHSA enrichment
  24. 2026-07-12 05:46 UTCEPSS rescore
  25. 2026-07-11 18:35 UTCGHSA enrichment
Show 65 more
  1. 2026-07-11 08:27 UTCEPSS rescore
  2. 2026-07-11 08:27 UTCEPSS rescore
  3. 2026-07-10 20:02 UTCGHSA enrichment
  4. 2026-07-09 21:28 UTCGHSA enrichment
  5. 2026-07-09 19:09 UTCEPSS rescore
  6. 2026-07-08 21:44 UTCGHSA enrichment
  7. 2026-07-08 15:15 UTCEPSS rescore
  8. 2026-07-07 23:11 UTCGHSA enrichment
  9. 2026-07-07 13:45 UTCEPSS rescore
  10. 2026-07-07 00:39 UTCGHSA enrichment
  11. 2026-07-06 16:27 UTCEPSS rescore
  12. 2026-07-06 16:27 UTCEPSS rescore
  13. 2026-07-06 02:23 UTCEPSS rescore
  14. 2026-07-06 02:23 UTCEPSS rescore
  15. 2026-07-05 22:07 UTCGHSA enrichment
  16. 2026-07-05 02:30 UTCEPSS rescore
  17. 2026-07-04 23:34 UTCGHSA enrichment
  18. 2026-07-04 06:30 UTCEPSS rescore
  19. 2026-07-04 01:01 UTCGHSA enrichment
  20. 2026-07-03 02:12 UTCGHSA enrichment
  21. 2026-07-02 17:01 UTCEPSS rescore
  22. 2026-07-02 03:38 UTCGHSA enrichment
  23. 2026-07-01 15:06 UTCEPSS rescore
  24. 2026-07-01 05:05 UTCGHSA enrichment
  25. 2026-06-30 23:22 UTCEPSS rescore
  26. 2026-06-30 06:20 UTCGHSA enrichment
  27. 2026-06-29 14:06 UTCEPSS rescore
  28. 2026-06-29 14:06 UTCEPSS rescore
  29. 2026-06-29 07:47 UTCGHSA enrichment
  30. 2026-06-28 14:07 UTCEPSS rescore
  31. 2026-06-28 14:07 UTCEPSS rescore
  32. 2026-06-28 09:06 UTCGHSA enrichment
  33. 2026-06-28 04:55 UTCEPSS rescore
  34. 2026-06-27 10:33 UTCGHSA enrichment
  35. 2026-06-27 03:08 UTCEPSS rescore
  36. 2026-06-27 03:08 UTCEPSS rescore
  37. 2026-06-26 12:00 UTCGHSA enrichment
  38. 2026-06-25 13:49 UTCEPSS rescore
  39. 2026-06-25 08:23 UTCGHSA enrichment
  40. 2026-06-24 14:04 UTCEPSS rescore
  41. 2026-06-24 14:04 UTCEPSS rescore
  42. 2026-06-24 09:49 UTCGHSA enrichment
  43. 2026-06-23 21:32 UTCEPSS rescore
  44. 2026-06-23 11:16 UTCGHSA enrichment
  45. 2026-06-22 14:25 UTCEPSS rescore
  46. 2026-06-22 12:43 UTCGHSA enrichment
  47. 2026-06-21 14:56 UTCEPSS rescore
  48. 2026-06-21 14:56 UTCEPSS rescore
  49. 2026-06-21 14:07 UTCGHSA enrichment
  50. 2026-06-21 01:59 UTCEPSS rescore
  51. 2026-06-21 01:59 UTCEPSS rescore
  52. 2026-06-20 15:27 UTCGHSA enrichment
  53. 2026-06-19 19:25 UTCEPSS rescore
  54. 2026-06-19 19:25 UTCEPSS rescore
  55. 2026-06-19 16:50 UTCGHSA enrichment
  56. 2026-06-18 18:16 UTCEG score recompute▲ 6.50
  57. 2026-06-18 18:16 UTCGHSA enrichment
  58. 2026-06-18 17:52 UTCEPSS rescore
  59. 2026-06-18 17:52 UTCEPSS rescore
  60. 2026-06-17 17:52 UTCEPSS rescore
  61. 2026-06-16 17:52 UTCEPSS rescore
  62. 2026-06-16 17:52 UTCEPSS rescore
  63. 2026-06-15 20:38 UTCMITRE cvelistV5CVSS v3 → 6.5 · severity → MEDIUM
  64. 2026-06-15 19:23 UTCEG score recompute
  65. 2026-06-15 19:19 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2025-55642?
CVE-2025-55642 is a medium vulnerability published on June 15, 2026. GPAC MP4Box v2.4 was discovered to contain a floating point exception in the avidmxprocess function (isomedia/isomwrite.c).
When was CVE-2025-55642 disclosed?
CVE-2025-55642 was first published in the National Vulnerability Database on June 15, 2026, with the most recent update on June 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-55642 actively exploited?
CVE-2025-55642 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 28.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2025-55642?
CVE-2025-55642 has a CVSS v3.1 base score of 6.5 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2025-55642?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-55642, 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

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