CVE-2025-70116Public exploitNetwork attack vector

Process crash via NULL descriptor strlen call

Published May 27, 2026 · Updated May 27, 2026

NULL pointer dereference in GPAC MP4Box 2.5-DEV-rev1815-g261ffdd13-master allows attackers to crash the process via a crafted MP4 file. In media_tools/isom_tools.c, gf_media_map_esd calls strlen() on an uninitialized codec, MIME, or profile descriptor after parsing an invalid stsd entry. Exploitation requires MP4Box or a pipeline embedding libgpac to process attacker-supplied truncated media; the bounded result is a process crash.

CVSS severity4.3
Medium
EPSS probability0.41%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

NULL pointer dereference in GPAC MP4Box 2.5-DEV-rev1815-g261ffdd13-master allows attackers to crash the process via a crafted MP4 file. In media_tools/isom_tools.c, gf_media_map_esd calls strlen() on an uninitialized codec, MIME, or profile descriptor after parsing an invalid stsd entry. Exploitation requires MP4Box or a pipeline embedding libgpac to process attacker-supplied truncated media; the bounded result is a process crash.

The record

CVE
CVE-2025-70116
Published
May 27, 2026
Updated
May 27, 2026
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-476, T1204.002
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. May 27, 2026CVE publishedPublication date reported by the CVE source.
  2. May 27, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

4.3CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-476NULL Pointer Dereference
T1204.002Malicious File

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo