---
title: "CVE-2026-91087: GPAC - Use After Free"
description: "GPAC up to f1219cde contains a use after free vulnerability caused by improper handling in gf_mo_get_od_id function in compositor/media_object.c, letting remote attackers cause memory corruption, exploit requires crafted input."
url: https://panop.io/threat-heartbeat/CVE-2026-91087/
---

# CVE-2026-91087 GPAC - Use After Free

GPAC up to f1219cde contains a use after free vulnerability caused by improper handling in gf\_mo\_get\_od\_id function in compositor/media\_object.c, letting remote attackers cause memory corruption, exploit requires crafted input.

CVSS base score 7.3 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.64% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-91087)

## Details

Type

Use After Free

Impact

Denial Of Service

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Published

15 September 2026

Updated

15 October 2026

Weakness

[CWE-119](https://cwe.mitre.org/data/definitions/119.html)

## Vendor fix

Upgrade to version abi-16.24.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-91087](https://nvd.nist.gov/vuln/detail/CVE-2026-91087)
- [https://github.com/gpac/gpac/](https://github.com/gpac/gpac/)
- [https://github.com/gpac/gpac/commit/e34f4ba349d55cd1849f0bcf4cf46552732e2db7](https://github.com/gpac/gpac/commit/e34f4ba349d55cd1849f0bcf4cf46552732e2db7)
- [https://github.com/gpac/gpac/issues/3807](https://github.com/gpac/gpac/issues/3807)
- [https://github.com/user-attachments/files/30399593/poc\_12\_info.zip](https://github.com/user-attachments/files/30399593/poc_12_info.zip)
- [https://vuldb.com/cve/CVE-2026-91087](https://vuldb.com/cve/CVE-2026-91087)
- [https://vuldb.com/vuln/403649](https://vuldb.com/vuln/403649)
- [https://github.com/gpac/gpac/releases/tag/abi-16.24](https://github.com/gpac/gpac/releases/tag/abi-16.24)
- [https://vuldb.com/submit/919756](https://vuldb.com/submit/919756)
- [https://vuldb.com/vuln/403649/cti](https://vuldb.com/vuln/403649/cti)

[← All CVEs](https://panop.io/threat-heartbeat/)

## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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