CVE-2026-79513

MEDIUMPre-NVD 6.56.5—
EchelonGraph scoreHIGH confidence

Score 6.5 from GitHub Security Advisory published 2026-09-09. a secondary CVSS source baseline 6.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this weekElevated
6.5EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 6.5Exploit: Elevated riskExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

CVSS v3
6.5
EG Score
6.5(high)
EG Risk
45(Track)
EG Risk 45/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity65% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
11%
KEV
Not listed

Published

September 9, 2026

Last Modified

September 15, 2026

Advisory Details (2)

Auto-updated Sep 9, 2026
🔬 Proof of concept available. Upstream fix merged — awaiting tagged release. Sources: github_commit.
github_commit

commit 2fd5a06ab226 (gpac/gpac)

Fix landed in gpac/gpac commit 2fd5a06ab226 — awaiting tagged release

https://github.com/gpac/gpac/commit/2fd5a06ab226767900fd86edb5a1e8bfc1010640
generic🟡 PoC Available

[Security] Division by zero in gf_dash_get_timeline_duration (dash_client.c) via crafted MPD SegmentTimeline · Issue #3862 · gpac/gpac · GitHub

https://github.com/gpac/gpac/issues/3862

Vendor Advisories for CVE-2026-79513(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 20× in last 7d / 31× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-09-18 21:20 UTCEG score recompute
  2. 2026-09-18 21:20 UTCGHSA enrichment
  3. 2026-09-18 19:28 UTCEPSS rescore
  4. 2026-09-17 20:16 UTCEG score recompute
  5. 2026-09-17 20:16 UTCGHSA enrichment
  6. 2026-09-16 18:15 UTCEG score recompute
  7. 2026-09-16 18:15 UTCGHSA enrichment
  8. 2026-09-16 14:08 UTCEPSS rescore
  9. 2026-09-16 05:15 UTCEPSS rescore
  10. 2026-09-15 17:12 UTCGHSA enrichment
  11. 2026-09-15 15:38 UTCEG score recompute
  12. 2026-09-15 15:38 UTCGHSA enrichment
  13. 2026-09-15 03:12 UTCEPSS rescore
  14. 2026-09-15 03:12 UTCEPSS rescore
  15. 2026-09-14 15:22 UTCEG score recompute
  16. 2026-09-14 15:22 UTCGHSA enrichment
  17. 2026-09-14 14:55 UTCEG score recompute
  18. 2026-09-14 14:55 UTCGHSA enrichment
  19. 2026-09-13 16:48 UTCEG score recompute
  20. 2026-09-13 16:48 UTCGHSA enrichment
  21. 2026-09-12 16:32 UTCEG score recompute
  22. 2026-09-12 16:32 UTCGHSA enrichment
  23. 2026-09-11 16:15 UTCEG score recompute
  24. 2026-09-11 16:15 UTCGHSA enrichment
  25. 2026-09-11 14:53 UTCEPSS rescore
Show 6 more
  1. 2026-09-11 14:53 UTCEPSS rescore
  2. 2026-09-10 15:58 UTCEG score recompute
  3. 2026-09-10 15:58 UTCGHSA enrichment
  4. 2026-09-09 21:30 UTCEG score recompute
  5. 2026-09-09 20:25 UTCEG score recompute
  6. 2026-09-09 20:24 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-79513?
CVE-2026-79513 is a medium vulnerability published on September 9, 2026. A divide-by-zero vulnerability in the gfdashgettimelineduration function (src/mediatools/dashclient.c) of GPAC v26.07.0 allows attackers to cause a Denial of Service (DoS) via a crafted MPD SegmentTimeline. Fixed in 2fd5a06ab226767900fd86edb5a1e8bfc1010640.
When was CVE-2026-79513 disclosed?
CVE-2026-79513 was first published in the National Vulnerability Database on September 9, 2026, with the most recent update on September 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-79513 actively exploited?
CVE-2026-79513 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 88.7% of all scored CVEs.
What is the CVSS score of CVE-2026-79513?
CVE-2026-79513 has a CVSS v3 base score of 6.5 (NVD).
How do I remediate CVE-2026-79513?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-79513, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-79513

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