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GPAC CVE-2026-79513

| EUVDEUVD-2026-75167 MEDIUM
Divide By Zero (CWE-369)
2026-09-09 mitre GHSA-893v-gjhq-c9v3
Denial Of Service Gpac
6.5
CVSS 3.1 · Vendor: mitre
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Severity by source

Vendor (mitre) PRIMARY
6.5 MEDIUM
AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
vuln.today AI
6.5 MEDIUM

Crafted MPD delivered over network, user/pipeline must process it (UI:R), crash yields availability impact only with no code execution path established.

3.1 AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
4.0 AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Primary rating from Vendor (mitre).

CVSS VectorVendor: mitre

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Lifecycle Timeline

4
Metadata Corrected
Sep 09, 2026 - 21:40 vuln.today
tag: Gpac added
Metadata Corrected
Sep 09, 2026 - 21:40 vuln.today
tag: N A removed
Source Code Evidence Fetched
Sep 09, 2026 - 21:36 vuln.today
Analysis Generated
Sep 09, 2026 - 21:36 vuln.today

DescriptionCVE.org

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.

AnalysisAI

Divide-by-zero in GPAC v26.07.0's DASH client crashes the process when parsing a crafted MPD SegmentTimeline containing a zero-duration segment entry, enabling a remote attacker to cause a Denial of Service against any application using GPAC to process MPEG-DASH content. The affected function gf_dash_get_timeline_duration divides by ent->duration without guarding against zero; the upstream fix commit (2fd5a06a) is confirmed available but a tagged patched release has not been independently verified. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

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Delivery
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Exploit
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Execution
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Vulnerability AssessmentAI

Exploitation The target must be running GPAC v26.07.0 and must attempt to parse or stream a DASH MPD containing a SegmentTimeline with at least one segment entry (<S>) whose duration attribute is 0. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 6.5 vector (AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H) accurately characterizes this vulnerability. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation Update GPAC to a build at or after commit 2fd5a06ab226767900fd86edb5a1e8bfc1010640 (https://github.com/gpac/gpac/commit/2fd5a06ab226767900fd86edb5a1e8bfc1010640); a tagged patched release version has not been independently confirmed, so treat this commit as the authoritative fix until an official release is published. … Detailed patch versions, workarounds, and compensating controls in full report.
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CVE-2026-79513 vulnerability details – vuln.today
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