VDB-401871 · CVE-2026-71613 · EUVD-2026-75131

GPAC j2kdec_process buffer overflow

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.0	$0-$5k	2.77+

Summaryinfo

A vulnerability, which was classified as critical, has been found in GPAC. This affects the function j2kdec_process. Performing a manipulation results in buffer overflow. This vulnerability is identified as CVE-2026-71613. The attack can be initiated remotely. There is not any exploit available. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability, which was classified as critical, was found in GPAC (affected version unknown). This affects the function j2kdec_process. The manipulation with an unknown input leads to a buffer overflow vulnerability. CWE is classifying the issue as CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Buffer Overflow vulnerability in GPAC c2dee3aff638cd96f9617ac5b17dc2868cd90ef3 allows an attacker to execute arbitrary code via the j2kdec_process() function. Fixed in 9a253a07fd3f6b48022bba74302bf39388dda859.

It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2026-71613 since 08/07/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit.

Applying the patch 9a253a07fd3f6b48022bba74302bf39388dda859 is able to eliminate this problem.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-75131). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Multimedia Player Software

Name

GPAC

License

open-source

Website

Product: https://github.com/gpac/gpac/

CPE 2.3info

🔒

CPE 2.2info

🔒

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Patch: 9a253a07fd3f6b48022bba74302bf39388dda859

Timelineinfo

08/07/2026 CVE reserved
09/09/2026 +33 days Advisory disclosed
09/09/2026 +0 days VulDB entry created
09/09/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Confirmed

CVE: CVE-2026-71613 (🔒)
GCVE (CVE): GCVE-0-2026-71613
GCVE (VulDB): GCVE-100-401871
EUVD: 🔒

Entryinfo

Created: 09/09/2026 22:12
Updated: 09/09/2026 22:53
Changes: 09/09/2026 22:12 (54), 09/09/2026 22:53 (1)
Complete: 🔍
Cache ID: 216::103