GPAC up to 26.1.x MP4Box av_parsers.c gf_ac4_pres_b_4_back_channels_present null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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3.2$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in GPAC up to 26.1.x. This vulnerability affects the function gf_ac4_pres_b_4_back_channels_present of the file /media_tools/av_parsers.c of the component MP4Box. The manipulation results in null pointer dereference. This vulnerability is identified as CVE-2025-60483. The attack is only possible with local access. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in GPAC up to 26.1.x. It has been classified as problematic. Affected is the function gf_ac4_pres_b_4_back_channels_present of the file /media_tools/av_parsers.c of the component MP4Box. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. This is going to have an impact on availability. CVE summarizes:

A NULL pointer dereference in the gf_ac4_pres_b_4_back_channels_present function (/media_tools/av_parsers.c) of GPAC Project/MP4Box before 26.02.0 allows attackers to cause a Denial of Service (DoS) via supplying a crafted AC4 file.

The advisory is shared for download at github.com. This vulnerability is traded as CVE-2025-60483 since 09/26/2025. The exploitability is told to be easy. The attack needs to be approached locally. There are known technical details, but no exploit is available.

Upgrading to version 26.02.0 eliminates this vulnerability.

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Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.3
VulDB Meta Temp Score: 3.2

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: GPAC 26.02.0

Timelineinfo

09/26/2025 CVE reserved
06/01/2026 +248 days Advisory disclosed
06/01/2026 +0 days VulDB entry created
06/01/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 13eb5b76560aaf7813b865a2ad433258478e2695
Status: Confirmed

CVE: CVE-2025-60483 (🔒)
GCVE (CVE): GCVE-0-2025-60483
GCVE (VulDB): GCVE-100-367656

Entryinfo

Created: 06/01/2026 17:26
Changes: 06/01/2026 17:26 (58)
Complete: 🔍
Cache ID: 216::103

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