CVE-2026-79513
GPAC Divide-by-Zero Denial of Service
Description
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.
INFO
Published Date :
Sept. 9, 2026, 9:17 p.m.
Last Modified :
Sept. 15, 2026, 5:03 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | MEDIUM | MITRE-CVE | ||||
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Update GPAC to a patched version.
- Apply the fix from commit 2fd5a06ab226767900fd86edb5a1e8bfc1010640.
- Validate the integrity of MPD files.
- Sanitize user-supplied MPD data.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-79513.
| URL | Resource |
|---|---|
| https://github.com/gpac/gpac/commit/2fd5a06ab226767900fd86edb5a1e8bfc1010640 | Patch |
| https://github.com/gpac/gpac/issues/3862 | Exploit Issue Tracking Vendor Advisory |
| https://github.com/gpac/gpac/issues/3862 | Exploit Issue Tracking Vendor Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-79513 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-79513
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-79513 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-79513 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Sep. 15, 2026
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:a:gpac:gpac:26.07.0:*:*:*:*:*:*:* Added Reference Type MITRE: https://github.com/gpac/gpac/commit/2fd5a06ab226767900fd86edb5a1e8bfc1010640 Types: Patch Added Reference Type MITRE: https://github.com/gpac/gpac/issues/3862 Types: Exploit, Issue Tracking, Vendor Advisory Added Reference Type CISA-ADP: https://github.com/gpac/gpac/issues/3862 Types: Exploit, Issue Tracking, Vendor Advisory -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Sep. 14, 2026
Action Type Old Value New Value Added CWE CWE-369 Added Reference https://github.com/gpac/gpac/issues/3862 Added SSVC {'id': 'CVE-2026-79513', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'poc'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-09-14T14:45:28.933804Z'} -
New CVE Received by [email protected]
Sep. 09, 2026
Action Type Old Value New Value Added Description 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. Added CVSS V3.1 AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/79xxx/CVE-2026-79513.json">CVE-2026-79513</a> Added Reference https://github.com/gpac/gpac/commit/2fd5a06ab226767900fd86edb5a1e8bfc1010640 Added Reference https://github.com/gpac/gpac/issues/3862