CVE-2026-56711

HIGHPre-NVD 7.08.8▲
EchelonGraph scoreMEDIUM confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2026-09-09. a secondary CVSS source baseline 7.0; sources differ by 1.8.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
8.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.0Exploit: None knownExposed: 0

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

VLC media player versions 3.0.0 through 3.0.23 contain a memory-safety vulnerability reachable when processing crafted media. Exploitation requires user interaction and may result in application termination or code execution with the privileges of the VLC process.

CVSS v3
7.0
EG Score
8.8(medium)
EG Risk
40(Track)
EG Risk 40/100SSVC: 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
Severity88% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
1%
KEV
Not listed

Published

September 9, 2026

Last Modified

September 18, 2026

Advisory Details (6)

Auto-updated Sep 9, 2026
No patch confirmed yet.
generic

VLC media player 3.0.0 through 3.0.23 Heap Out-of-Bounds Write via Integer Overflow in Picture Allocation | Advisories | VulnCheck

https://www.vulncheck.com/advisories/vlc-media-player-3.0.0-through-3.0.23-heap-out-of-bounds-write-via-integer-overflow-in-picture-allocation
generic

vlc/modules/demux/image.c at 3.0.23 · videolan/vlc · GitHub

https://github.com/videolan/vlc/blob/3.0.23/modules/demux/image.c
generic

vlc/modules/codec/png.c at 3.0.23 · videolan/vlc · GitHub

https://github.com/videolan/vlc/blob/3.0.23/modules/codec/png.c
generic

vlc/include/vlc_picture.h at 3.0.23 · videolan/vlc · GitHub

https://github.com/videolan/vlc/blob/3.0.23/include/vlc_picture.h
generic

vlc/src/misc/picture.c at 3.0.23 · videolan/vlc · GitHub

https://github.com/videolan/vlc/blob/3.0.23/src/misc/picture.c
generic

GitHub - videolan/vlc: VLC media player - plays everything, runs anywhere. Code here: https://code.videolan.org/videolan/vlc · GitHub

https://github.com/videolan/vlc

Vendor Advisories for CVE-2026-56711(1)

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

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 30× in last 7d / 52× 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. 2026-09-21 01:48 UTCGHSA enrichment
  2. 2026-09-20 14:45 UTCGHSA enrichment
  3. 2026-09-20 03:42 UTCGHSA enrichment
  4. 2026-09-19 16:39 UTCEG score recompute
  5. 2026-09-19 16:39 UTCGHSA enrichment
  6. 2026-09-19 05:36 UTCEG score recompute
  7. 2026-09-19 05:36 UTCGHSA enrichment
  8. 2026-09-18 19:28 UTCEPSS rescore
  9. 2026-09-18 18:33 UTCEG score recompute
  10. 2026-09-18 18:33 UTCGHSA enrichment
  11. 2026-09-18 17:30 UTCEG score recompute
  12. 2026-09-18 17:30 UTCGHSA enrichment
  13. 2026-09-18 07:17 UTCGHSA enrichment
  14. 2026-09-17 20:14 UTCEG score recompute
  15. 2026-09-17 20:14 UTCGHSA enrichment
  16. 2026-09-17 19:31 UTCEPSS rescore
  17. 2026-09-17 07:02 UTCGHSA enrichment
  18. 2026-09-16 19:59 UTCEG score recompute
  19. 2026-09-16 19:59 UTCGHSA enrichment
  20. 2026-09-16 14:08 UTCEPSS rescore
  21. 2026-09-16 08:54 UTCEG score recompute
  22. 2026-09-16 08:54 UTCGHSA enrichment
  23. 2026-09-16 05:15 UTCEPSS rescore
  24. 2026-09-15 20:50 UTCGHSA enrichment
  25. 2026-09-15 09:27 UTCEG score recompute
Show 27 more
  1. 2026-09-15 09:27 UTCGHSA enrichment
  2. 2026-09-15 03:11 UTCEPSS rescore
  3. 2026-09-14 22:24 UTCGHSA enrichment
  4. 2026-09-14 11:21 UTCEG score recompute
  5. 2026-09-14 11:21 UTCGHSA enrichment
  6. 2026-09-14 10:45 UTCEG score recompute
  7. 2026-09-14 10:45 UTCGHSA enrichment
  8. 2026-09-14 10:44 UTCMITRE cvelistV5CVSS v3 → 7 · CVSS v4 → 7.3
  9. 2026-09-14 00:38 UTCEG score recompute
  10. 2026-09-14 00:38 UTCGHSA enrichment
  11. 2026-09-13 16:47 UTCEPSS rescore
  12. 2026-09-13 13:35 UTCGHSA enrichment
  13. 2026-09-13 02:32 UTCGHSA enrichment
  14. 2026-09-12 15:29 UTCEG score recompute
  15. 2026-09-12 15:29 UTCGHSA enrichment
  16. 2026-09-12 04:26 UTCGHSA enrichment
  17. 2026-09-11 17:23 UTCEG score recompute
  18. 2026-09-11 17:23 UTCGHSA enrichment
  19. 2026-09-11 14:53 UTCEPSS rescore
  20. 2026-09-11 05:55 UTCGHSA enrichment
  21. 2026-09-10 18:51 UTCGHSA enrichment
  22. 2026-09-10 07:46 UTCGHSA enrichment
  23. 2026-09-09 20:43 UTCEG score recompute
  24. 2026-09-09 20:43 UTCGHSA enrichment
  25. 2026-09-09 14:27 UTCEG score recompute
  26. 2026-09-09 13:36 UTCEG score recompute
  27. 2026-09-09 13:34 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-56711?
CVE-2026-56711 is a high vulnerability published on September 9, 2026. VLC media player versions 3.0.0 through 3.0.23 contain a memory-safety vulnerability reachable when processing crafted media. Exploitation requires user interaction and may result in application termination or code execution with the privileges of the VLC process.
When was CVE-2026-56711 disclosed?
CVE-2026-56711 was first published in the National Vulnerability Database on September 9, 2026, with the most recent update on September 18, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-56711 actively exploited?
CVE-2026-56711 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 98.8% of all scored CVEs.
What is the CVSS score of CVE-2026-56711?
CVE-2026-56711 has a CVSS v3 base score of 7.0 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 8.8.
How do I remediate CVE-2026-56711?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-56711, 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

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