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.
CVE-2025-55651
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.
- Lower severity and no public exploit yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- 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, 2026pocs/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.mp4sigdevel: "Security Advisory: CVE-2025-55651 - NULL Pointer …" - Infosec Exchange
https://infosec.exchange/@sigdevel/116710512103919834Vendor 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.
- 2026-07-06 16:27 UTCEPSS rescore
- 2026-07-06 16:27 UTCEPSS rescore
- 2026-07-06 02:23 UTCEPSS rescore
- 2026-07-06 02:23 UTCEPSS rescore
- 2026-07-05 13:33 UTCEG score recompute
- 2026-07-05 13:33 UTCGHSA enrichment
- 2026-07-05 02:30 UTCEPSS rescore
- 2026-07-04 13:16 UTCEG score recompute
- 2026-07-04 13:16 UTCGHSA enrichment
- 2026-07-04 06:30 UTCEPSS rescore
- 2026-07-03 08:46 UTCEG score recompute
- 2026-07-03 08:46 UTCGHSA enrichment
- 2026-07-02 17:01 UTCEPSS rescore
- 2026-07-02 06:51 UTCEG score recompute
- 2026-07-02 06:51 UTCGHSA enrichment
- 2026-07-01 15:06 UTCEPSS rescore
- 2026-07-01 07:50 UTCEG score recompute
- 2026-07-01 07:50 UTCGHSA enrichment
- 2026-06-30 23:22 UTCEPSS rescore
- 2026-06-30 08:49 UTCEG score recompute
- 2026-06-30 08:49 UTCGHSA enrichment
- 2026-06-29 14:06 UTCEPSS rescore
- 2026-06-29 14:06 UTCEPSS rescore
- 2026-06-29 09:46 UTCEG score recompute
- 2026-06-29 09:46 UTCGHSA enrichment
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- 2026-06-28 14:07 UTCEPSS rescore
- 2026-06-28 14:07 UTCEPSS rescore
- 2026-06-28 10:38 UTCEG score recompute
- 2026-06-28 10:38 UTCGHSA enrichment
- 2026-06-28 04:55 UTCEPSS rescore
- 2026-06-27 11:36 UTCEG score recompute
- 2026-06-27 11:36 UTCGHSA enrichment
- 2026-06-27 03:08 UTCEPSS rescore
- 2026-06-27 03:08 UTCEPSS rescore
- 2026-06-26 12:30 UTCEG score recompute
- 2026-06-26 12:30 UTCGHSA enrichment
- 2026-06-25 13:49 UTCEPSS rescore
- 2026-06-25 08:04 UTCEG score recompute
- 2026-06-25 08:04 UTCGHSA enrichment
- 2026-06-24 14:04 UTCEPSS rescore
- 2026-06-24 14:04 UTCEPSS rescore
- 2026-06-24 09:02 UTCEG score recompute
- 2026-06-24 09:02 UTCGHSA enrichment
- 2026-06-23 21:32 UTCEPSS rescore
- 2026-06-23 10:00 UTCEG score recompute
- 2026-06-23 10:00 UTCGHSA enrichment
- 2026-06-22 14:25 UTCEPSS rescore
- 2026-06-22 09:09 UTCEG score recompute
- 2026-06-22 09:09 UTCGHSA enrichment
- 2026-06-21 14:56 UTCEPSS rescore
- 2026-06-21 14:56 UTCEPSS rescore
- 2026-06-21 07:34 UTCEG score recompute
- 2026-06-21 07:34 UTCGHSA enrichment
- 2026-06-21 01:59 UTCEPSS rescore
- 2026-06-21 01:59 UTCEPSS rescore
- 2026-06-20 08:31 UTCEG score recompute
- 2026-06-20 08:31 UTCGHSA enrichment
- 2026-06-19 19:25 UTCEPSS rescore
- 2026-06-19 19:25 UTCEPSS rescore
- 2026-06-19 09:23 UTCEG score recompute
- 2026-06-19 09:23 UTCGHSA enrichment
- 2026-06-18 17:52 UTCEPSS rescore
- 2026-06-18 17:52 UTCEPSS rescore
- 2026-06-18 09:38 UTCEG score recompute
- 2026-06-18 09:38 UTCGHSA enrichment
- 2026-06-17 17:52 UTCEPSS rescore
- 2026-06-17 10:33 UTCEG score recompute
- 2026-06-17 10:33 UTCGHSA enrichment
- 2026-06-16 17:52 UTCEPSS rescore
- 2026-06-16 17:52 UTCEPSS rescore
- 2026-06-16 11:26 UTCEG score recompute
- 2026-06-16 11:26 UTCGHSA enrichment
- 2026-06-15 17:48 UTCEPSS rescore
- 2026-06-15 12:25 UTCEG score recompute
- 2026-06-15 12:25 UTCGHSA enrichment
- 2026-06-14 23:17 UTCEPSS rescore
- 2026-06-14 13:24 UTCEG score recompute
- 2026-06-14 13:24 UTCGHSA enrichment
- 2026-06-13 23:00 UTCEPSS rescore
- 2026-06-13 14:22 UTCEG score recompute
- 2026-06-13 14:22 UTCGHSA enrichment
- 2026-06-12 23:11 UTCEPSS rescore
- 2026-06-12 15:20 UTCEG score recompute▲ 5.50
- 2026-06-12 15:19 UTCGHSA enrichment
- 2026-06-11 14:00 UTCEPSS rescore
- 2026-06-11 14:00 UTCEPSS rescore
- 2026-06-10 22:18 UTCEPSS rescore
- 2026-06-10 22:18 UTCEPSS rescore
- 2026-06-10 15:18 UTCNVD updateCVSS v3 → 5.5 · severity → MEDIUM
- 2026-06-09 19:22 UTCEG score recompute
- 2026-06-09 19:21 UTCNVD updatefirst tracked
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Dependency Blast Radius
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