VDB-401879 · CVE-2026-79513 · GCVE-0-2026-79513

GPAC MPD dash_client.c gf_dash_get_timeline_duration divide by zero

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.
4.1	$0-$5k	0.92+

Summaryinfo

A vulnerability identified as problematic has been detected in GPAC. Impacted is the function gf_dash_get_timeline_duration of the file src/media_tools/dash_client.c of the component MPD Handler. The manipulation leads to divide by zero. This vulnerability is traded as CVE-2026-79513. It is possible to initiate the attack remotely. There is no exploit available. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in GPAC (affected version not known). This issue affects the function gf_dash_get_timeline_duration of the file src/media_tools/dash_client.c of the component MPD Handler. The manipulation with an unknown input leads to a divide by zero vulnerability. Using CWE to declare the problem leads to CWE-369. The product divides a value by zero. Impacted is availability. The summary by CVE is:

A divide-by-zero vulnerability in the gf_dash_get_timeline_duration function (src/media_tools/dash_client.c) of GPAC v26.07.0 allows attackers to cause a Denial of Service (DoS) via a crafted MPD SegmentTimeline. Fixed in 2fd5a06ab226767900fd86edb5a1e8bfc1010640.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2026-79513 since 08/25/2026. The exploitation is known to be easy. The attack may be initiated remotely. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

Applying the patch 2fd5a06ab226767900fd86edb5a1e8bfc1010640 is able to eliminate this problem.

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: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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

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

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

Exploitinginfo

Class: Divide by zero
CWE: CWE-369 / CWE-404
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: 2fd5a06ab226767900fd86edb5a1e8bfc1010640

Timelineinfo

08/25/2026 CVE reserved
09/09/2026 +15 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-2026-79513 (🔒)
GCVE (CVE): GCVE-0-2026-79513
GCVE (VulDB): GCVE-100-401879

Entryinfo

Created: 09/09/2026 22:41
Changes: 09/09/2026 22:41 (56)
Complete: 🔍
Cache ID: 216::103