CVE-2015-5122

CRITICALNVD 9.89.8—
EchelonGraph scoreHIGH confidence

Score elevated to 9.8 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2022-04-13), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 9.8 retained for reference. Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa_kev, epss, ghsa, nvd
Trending — 5 sources updated this weekExploited in the wild
9.8
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS: 94%CVSS: 9.8Exploit: NoneExposed: 0

A fix is available — apply it.

Use-after-free vulnerability in the DisplayObject class in the ActionScript 3 (AS3) implementation in Adobe Flash Player 13.x through 13.0.0.302 on Windows and OS X, 14.x through 18.0.0.203 on Windows and OS X, 11.x through 11.2.202.481 on Linux, and 12.x through 18.0.0.204 on Linux Chrome installations allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via crafted Flash content that leverages improper handling of the opaqueBackground property, as exploited in the wild in July 2015.

CVSS v3
9.8
EG Score
9.8(high)
EG Risk
84(Attend)
EG Risk 84/100SSVC: Attend

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
Severity98% × 45%
Exploitation100% × 40%
Automatability0% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS
99.8%
KEV
⚠ Exploited

Published

July 14, 2015

Last Modified

April 21, 2026

Advisory Details (7)

Auto-updated May 12, 2026
No patch confirmed yet. Sources: cert.
generic
http://www.securitytracker.com/id/1032890
generic
http://www.securityfocus.com/bid/75712
generic

Rapid7 Vulnerability Database

http://www.rapid7.com/db/modules/exploit/multi/browser/adobe_flash_opaque_background_uaf
cert

VU#338736 - Adobe Flash ActionScript 3 opaqueBackground use-after-free vulnerability

http://www.kb.cert.org/vuls/id/338736
generic
http://rhn.redhat.com/errata/RHSA-2015-1235.html
generic

Packet Storm

http://packetstormsecurity.com/files/132663/Adobe-Flash-opaqueBackground-Use-After-Free.html
generic

'[security bulletin] HPSBMU03409 rev.1 - HP Matrix Operating Environment, Multiple Vulnerabilities' - MARC

http://marc.info/?l=bugtraq&m=144050155601375&w=2

Patch Availability(1)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatflash-plugin-0:11.2.202.491-1.el6_62015-07-16redhat

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.

Weakness Classification(1)

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

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 92× in last 7d / 380× 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.

Showing the most recent 100 of 714 total refreshes for this CVE.

  1. 2026-07-23 01:18 UTCEG score recompute
  2. 2026-07-23 00:20 UTCEG score recompute
  3. 2026-07-22 21:50 UTCEG score recompute
  4. 2026-07-22 21:50 UTCVendor advisory
  5. 2026-07-22 21:50 UTCGHSA enrichment
  6. 2026-07-22 19:40 UTCCISA KEV update
  7. 2026-07-22 17:34 UTCEG score recompute
  8. 2026-07-22 17:34 UTCVendor advisory
  9. 2026-07-22 17:33 UTCGHSA enrichment
  10. 2026-07-22 14:04 UTCEPSS rescore
  11. 2026-07-22 13:32 UTCVendor advisory
  12. 2026-07-22 13:32 UTCGHSA enrichment
  13. 2026-07-22 09:33 UTCVendor advisory
  14. 2026-07-22 09:33 UTCGHSA enrichment
  15. 2026-07-22 05:34 UTCVendor advisory
  16. 2026-07-22 05:34 UTCGHSA enrichment
  17. 2026-07-22 01:35 UTCVendor advisory
  18. 2026-07-22 01:35 UTCGHSA enrichment
  19. 2026-07-21 21:36 UTCVendor advisory
  20. 2026-07-21 21:36 UTCGHSA enrichment
  21. 2026-07-21 17:34 UTCEG score recompute
  22. 2026-07-21 17:34 UTCVendor advisory
  23. 2026-07-21 17:34 UTCGHSA enrichment
  24. 2026-07-21 15:21 UTCEPSS rescore
  25. 2026-07-21 15:21 UTCEPSS rescore
Show 75 more
  1. 2026-07-21 14:37 UTCCISA KEV update
  2. 2026-07-21 13:35 UTCVendor advisory
  3. 2026-07-21 13:35 UTCGHSA enrichment
  4. 2026-07-21 09:36 UTCVendor advisory
  5. 2026-07-21 09:36 UTCGHSA enrichment
  6. 2026-07-21 05:35 UTCVendor advisory
  7. 2026-07-21 05:35 UTCGHSA enrichment
  8. 2026-07-21 01:36 UTCVendor advisory
  9. 2026-07-21 01:36 UTCGHSA enrichment
  10. 2026-07-20 21:37 UTCVendor advisory
  11. 2026-07-20 21:36 UTCGHSA enrichment
  12. 2026-07-20 17:33 UTCVendor advisory
  13. 2026-07-20 17:33 UTCGHSA enrichment
  14. 2026-07-20 13:34 UTCVendor advisory
  15. 2026-07-20 13:34 UTCGHSA enrichment
  16. 2026-07-20 09:35 UTCVendor advisory
  17. 2026-07-20 09:35 UTCGHSA enrichment
  18. 2026-07-20 05:36 UTCVendor advisory
  19. 2026-07-20 05:36 UTCGHSA enrichment
  20. 2026-07-20 01:37 UTCVendor advisory
  21. 2026-07-20 01:37 UTCGHSA enrichment
  22. 2026-07-19 21:38 UTCVendor advisory
  23. 2026-07-19 21:38 UTCGHSA enrichment
  24. 2026-07-19 17:39 UTCVendor advisory
  25. 2026-07-19 17:39 UTCGHSA enrichment
  26. 2026-07-19 13:40 UTCVendor advisory
  27. 2026-07-19 13:40 UTCGHSA enrichment
  28. 2026-07-19 09:41 UTCVendor advisory
  29. 2026-07-19 09:41 UTCGHSA enrichment
  30. 2026-07-19 05:42 UTCVendor advisory
  31. 2026-07-19 05:42 UTCGHSA enrichment
  32. 2026-07-19 01:42 UTCVendor advisory
  33. 2026-07-19 01:42 UTCGHSA enrichment
  34. 2026-07-18 21:43 UTCVendor advisory
  35. 2026-07-18 21:43 UTCGHSA enrichment
  36. 2026-07-18 17:45 UTCVendor advisory
  37. 2026-07-18 17:45 UTCGHSA enrichment
  38. 2026-07-18 13:46 UTCEG score recompute
  39. 2026-07-18 13:46 UTCVendor advisory
  40. 2026-07-18 13:46 UTCGHSA enrichment
  41. 2026-07-18 10:00 UTCEPSS rescore
  42. 2026-07-18 09:47 UTCVendor advisory
  43. 2026-07-18 09:47 UTCGHSA enrichment
  44. 2026-07-18 05:48 UTCVendor advisory
  45. 2026-07-18 05:48 UTCGHSA enrichment
  46. 2026-07-18 01:49 UTCVendor advisory
  47. 2026-07-18 01:49 UTCGHSA enrichment
  48. 2026-07-17 21:50 UTCVendor advisory
  49. 2026-07-17 21:50 UTCGHSA enrichment
  50. 2026-07-17 17:51 UTCVendor advisory
  51. 2026-07-17 17:51 UTCGHSA enrichment
  52. 2026-07-17 13:51 UTCVendor advisory
  53. 2026-07-17 13:51 UTCGHSA enrichment
  54. 2026-07-17 09:52 UTCEG score recompute
  55. 2026-07-17 09:52 UTCVendor advisory
  56. 2026-07-17 09:52 UTCGHSA enrichment
  57. 2026-07-17 05:53 UTCVendor advisory
  58. 2026-07-17 05:53 UTCGHSA enrichment
  59. 2026-07-17 01:53 UTCVendor advisory
  60. 2026-07-17 01:53 UTCGHSA enrichment
  61. 2026-07-16 21:53 UTCVendor advisory
  62. 2026-07-16 21:53 UTCGHSA enrichment
  63. 2026-07-16 17:55 UTCVendor advisory
  64. 2026-07-16 17:55 UTCGHSA enrichment
  65. 2026-07-16 17:04 UTCCISA KEV update
  66. 2026-07-16 13:55 UTCVendor advisory
  67. 2026-07-16 13:55 UTCGHSA enrichment
  68. 2026-07-16 09:54 UTCVendor advisory
  69. 2026-07-16 09:54 UTCGHSA enrichment
  70. 2026-07-16 05:55 UTCVendor advisory
  71. 2026-07-16 05:55 UTCGHSA enrichment
  72. 2026-07-16 01:56 UTCVendor advisory
  73. 2026-07-16 01:56 UTCGHSA enrichment
  74. 2026-07-15 21:57 UTCVendor advisory
  75. 2026-07-15 21:57 UTCGHSA enrichment

Publicly available exploits

(2 references)

Working exploit code is in the public domain (1 Metasploit module) (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Exploit-DBEDB-37599✓ verified
    First seen Jul 13, 2015

    Adobe Flash - opaqueBackground Use-After-Free (Metasploit)

    Open source ↗
  • Metasploitexploit/multi/browser/adobe_flash_opaque_background_uaf✓ verified
    First seen Jul 6, 2015

    Adobe Flash opaqueBackground Use After Free

    Open source ↗

Related CVEs(same vendor + same CWE)

Frequently asked(6)

What is CVE-2015-5122?
CVE-2015-5122 is a critical vulnerability published on July 14, 2015. Use-after-free vulnerability in the DisplayObject class in the ActionScript 3 (AS3) implementation in Adobe Flash Player 13.x through 13.0.0.302 on Windows and OS X, 14.x through 18.0.0.203 on Windows and OS X, 11.x through 11.2.202.481 on Linux, and 12.x through 18.0.0.204 on Linux Chrome…
When was CVE-2015-5122 disclosed?
CVE-2015-5122 was first published in the National Vulnerability Database on July 14, 2015, with the most recent update on April 21, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2015-5122 actively exploited?
Yes. CISA added CVE-2015-5122 to the Known Exploited Vulnerabilities catalog on April 13, 2022, affecting Adobe Flash Player. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2015-5122?
CVE-2015-5122 has a CVSS v3 base score of 9.8 (NVD).
Which products are affected by CVE-2015-5122?
CVE-2015-5122 affects Adobe Flash Player. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.
How do I remediate CVE-2015-5122?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2015-5122, 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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