Security readout for executives and security teams
Plain-English summary
CVE-2026-1415 is a GPAC crash bug. A local, low-privileged user can trigger a null pointer dereference in WebVTT metadata export, affecting availability but not confidentiality or integrity. Public proof-of-concept material is referenced, but there is no KEV listing or cited evidence of active exploitation.
Executive priority
Treat as a routine but real availability issue. Prioritize patching on shared media-processing systems, CI pipelines, or services where many users can submit jobs. It is less urgent for isolated desktops or systems not using GPAC.
Technical view
GPAC versions 2.0 through 2.4.0 are listed as affected. The vulnerable function is gf_media_export_webvtt_metadata in src/media_tools/media_export.c. Manipulating the Name argument can cause a null pointer dereference. CVSS v4.0 is 4.8 with local attack vector, low complexity, low privileges, no user interaction, and low vulnerable-system availability impact.
Likely exposure
Exposure is mainly on systems where GPAC is installed and local users, scheduled jobs, or media-processing workflows can invoke GPAC against supplied content. Internet-facing risk is not indicated by the sources because exploitation is described as local.
Exploitation context
The source bundle says an exploit is publicly available and might be used. However, CISA KEV status is false, and no provided source confirms active exploitation. Practical impact is expected to be denial of service or process crash, not data theft or code execution.
Researcher notes
Evidence supports a local null pointer dereference in GPAC media_export.c with public PoC availability. The patch reference is provided, but the bundle does not prove a specific official GPAC release containing the fix. Do not claim active exploitation from the provided sources.
Mitigation direction
- Apply the referenced patch commit af951b892dfbaaa38336ba2eba6d6a42c25810fd where appropriate.
- Check GPAC upstream or package maintainer guidance for fixed release availability.
- Restrict local access to GPAC media-processing hosts until remediated.
- Run media-processing jobs with least privilege and process isolation.
- Avoid processing untrusted media inputs on vulnerable GPAC versions.
Validation and detection
- Inventory GPAC installations and identify versions 2.0 through 2.4.0.
- Confirm whether WebVTT metadata export functionality is used.
- Verify the referenced patch is present in the deployed source or package.
- Review GPAC issue 3428 for upstream status and regression context.
- Monitor for unexpected GPAC crashes in local processing workflows.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-404: Exact CWE lookup
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Open ATT&CK lookupCWE-476: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2026-1415 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 4.8 (4.0)
- Known Exploited
- No
- Published
Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P——Primary CVE scoreVulnerability scoring details
Base CVSS 4.0 score
4.8MediumVector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
Source materials
- CVE List V5 sourceCVE List V5
- VDB-342804 | GPAC media_export.c gf_media_export_webvtt_metadata null pointer dereferenceCVE reference · vdb-entry, technical-description
- VDB-342804 | CTI Indicators (IOB, IOC, IOA)CVE reference · signature, permissions-required
- Submit #736541 | gpac v2.4.0 NULL Pointer DereferenceCVE reference · third-party-advisory
- https://github.com/gpac/gpac/issues/3428CVE reference · issue-tracking, exploit
- https://github.com/enocknt/gpac/commit/af951b892dfbaaa38336ba2eba6d6a42c25810fdCVE reference · patch
- https://github.com/gpac/gpac/CVE reference · product
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Resource Shutdown or Release
Improper Resource Shutdown or Release represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.
NULL Pointer Dereference
NULL Pointer Dereference represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.