CVE-2017-11281

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2022-05-13. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Weaponized
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 34%CVSS: 9.8Exploit: NoneExposed: 0

A fix is available — apply it.

Adobe Flash Player has an exploitable memory corruption vulnerability in the text handling function. Successful exploitation could lead to arbitrary code execution. This affects 26.0.0.151 and earlier.

CVSS v3
9.8
EG Score
9.8(medium)
EPSS
98.2%
KEV
Not listed

Published

December 1, 2017

Last Modified

May 13, 2026

Advisory Details (7)

Auto-updated May 18, 2026
🔬 Proof of concept available. Patch available. Sources: redhat.
generic
http://www.securitytracker.com/id/1039314
generic
http://www.securityfocus.com/bid/100710
generic
https://www.youtube.com/watch?v=CvmnUeza9zw
generic🟡 PoC Available

Adobe Flash - Out-of-Bounds Write in MP4 Edge Processing - Multiple dos Exploit

https://www.exploit-db.com/exploits/42782/
generic🟡 PoC Available

Adobe Flash - Out-of-Bounds Memory Read in MP4 Parsing - Multiple dos Exploit

https://www.exploit-db.com/exploits/42781/
generic

Adobe Flash Player: Multiple vulnerabilities (GLSA 201709-16) — Gentoo security

https://security.gentoo.org/glsa/201709-16
redhat Patch Available

Affected: Red Hat Enterprise Linux 6 Supplementary.

https://access.redhat.com/errata/RHSA-2017:2702

Patch Availability(1)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatflash-plugin-0:27.0.0.130-1.el6_92017-09-13redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

All Vendor Advisories

(1)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 7× in last 7d / 26× 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. 2026-07-06 16:24 UTCEPSS rescore
  2. 2026-07-06 02:20 UTCEPSS rescore
  3. 2026-07-04 06:28 UTCEPSS rescore
  4. 2026-07-01 15:02 UTCEPSS rescore
  5. 2026-07-01 15:02 UTCEPSS rescore
  6. 2026-06-30 23:19 UTCEPSS rescore
  7. 2026-06-30 23:19 UTCEPSS rescore
  8. 2026-06-28 14:04 UTCEPSS rescore
  9. 2026-06-28 04:53 UTCEPSS rescore
  10. 2026-06-27 03:05 UTCEPSS rescore
  11. 2026-06-25 13:47 UTCEPSS rescore
  12. 2026-06-25 13:47 UTCEPSS rescore
  13. 2026-06-24 14:02 UTCEPSS rescore
  14. 2026-06-23 21:30 UTCEPSS rescore
  15. 2026-06-21 14:54 UTCEPSS rescore
  16. 2026-06-21 14:54 UTCEPSS rescore
  17. 2026-06-21 01:57 UTCEPSS rescore
  18. 2026-06-21 01:57 UTCEPSS rescore
  19. 2026-06-18 17:50 UTCEPSS rescore
  20. 2026-06-17 17:50 UTCEPSS rescore
  21. 2026-06-16 17:50 UTCEPSS rescore
  22. 2026-06-15 17:45 UTCEPSS rescore
  23. 2026-06-12 23:09 UTCEPSS rescore
  24. 2026-06-11 13:57 UTCEPSS rescore
  25. 2026-06-10 22:15 UTCEPSS rescore
Show 52 more
  1. 2026-06-08 14:14 UTCEPSS rescore
  2. 2026-06-05 22:44 UTCEPSS rescore
  3. 2026-06-05 06:08 UTCEPSS rescore
  4. 2026-06-05 06:08 UTCEPSS rescore
  5. 2026-06-02 20:11 UTCEPSS rescore
  6. 2026-06-02 20:11 UTCEPSS rescore
  7. 2026-06-01 13:49 UTCEPSS rescore
  8. 2026-06-01 13:49 UTCEPSS rescore
  9. 2026-05-31 00:14 UTCEPSS rescore
  10. 2026-05-29 13:41 UTCEPSS rescore
  11. 2026-05-28 13:42 UTCEPSS rescore
  12. 2026-05-28 13:42 UTCEPSS rescore
  13. 2026-05-27 13:38 UTCEPSS rescore
  14. 2026-05-27 13:38 UTCEPSS rescore
  15. 2026-05-26 07:17 UTCEPSS rescore
  16. 2026-05-26 07:17 UTCEPSS rescore
  17. 2026-05-22 21:15 UTCEPSS rescore
  18. 2026-05-22 21:15 UTCEPSS rescore
  19. 2026-05-22 21:15 UTCEPSS rescore
  20. 2026-05-20 22:37 UTCEPSS rescore
  21. 2026-05-20 22:37 UTCEPSS rescore
  22. 2026-05-20 09:07 UTCEG score recompute
  23. 2026-05-20 09:07 UTCVendor advisory
  24. 2026-05-20 09:07 UTCGHSA enrichment
  25. 2026-05-20 05:21 UTCEG score recompute
  26. 2026-05-20 05:21 UTCVendor advisory
  27. 2026-05-20 05:21 UTCGHSA enrichment
  28. 2026-05-20 01:34 UTCEG score recompute
  29. 2026-05-20 01:34 UTCVendor advisory
  30. 2026-05-20 01:34 UTCGHSA enrichment
  31. 2026-05-19 21:47 UTCEG score recompute
  32. 2026-05-19 21:47 UTCVendor advisory
  33. 2026-05-19 21:47 UTCGHSA enrichment
  34. 2026-05-19 18:00 UTCEG score recompute
  35. 2026-05-19 18:00 UTCVendor advisory
  36. 2026-05-19 18:00 UTCGHSA enrichment
  37. 2026-05-19 14:13 UTCEG score recompute
  38. 2026-05-19 14:13 UTCVendor advisory
  39. 2026-05-19 14:13 UTCGHSA enrichment
  40. 2026-05-19 10:26 UTCEG score recompute
  41. 2026-05-19 10:26 UTCVendor advisory
  42. 2026-05-19 10:26 UTCGHSA enrichment
  43. 2026-05-19 06:40 UTCEG score recompute
  44. 2026-05-19 06:40 UTCVendor advisory
  45. 2026-05-19 06:39 UTCGHSA enrichment
  46. 2026-05-19 02:52 UTCEG score recompute
  47. 2026-05-19 02:52 UTCVendor advisory
  48. 2026-05-19 02:52 UTCGHSA enrichment
  49. 2026-05-18 23:05 UTCEG score recompute
  50. 2026-05-18 23:05 UTCVendor advisory
  51. 2026-05-18 21:30 UTCEPSS rescore
  52. 2026-05-18 21:30 UTCEPSS rescore

Publicly available exploits

(2 references)

Working exploit code is in the public domain (2 Exploit-DB entries). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Exploit-DBEDB-42781✓ verified
    First seen Sep 25, 2017

    Adobe Flash - Out-of-Bounds Memory Read in MP4 Parsing

    Open source ↗
  • Exploit-DBEDB-42782✓ verified
    First seen Sep 25, 2017

    Adobe Flash - Out-of-Bounds Write in MP4 Edge Processing

    Open source ↗

Frequently asked(5)

What is CVE-2017-11281?
CVE-2017-11281 is a critical vulnerability published on December 1, 2017. Adobe Flash Player has an exploitable memory corruption vulnerability in the text handling function. Successful exploitation could lead to arbitrary code execution. This affects 26.0.0.151 and earlier.
When was CVE-2017-11281 disclosed?
CVE-2017-11281 was first published in the National Vulnerability Database on December 1, 2017, with the most recent update on May 13, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2017-11281 actively exploited?
CVE-2017-11281 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 98.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2017-11281?
CVE-2017-11281 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2017-11281?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2017-11281, 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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