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Page generated: 09 Nov 2026, 03:10 UTC

CVE-2015-5119

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Use-after-free vulnerability in the ByteArray class in the ActionScript 3 (AS3) implementation in Adobe Flash Player 13.x through 13.0.0.296 and 14.x through 18.0.0.194 on Windows and OS X and 11.x through 11.2.202.468 on Linux allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via crafted Flash content that overrides a valueOf function, as exploited in the wild in July 2015.

CVSS 7.8 (HIGH) KEV: KNOWN CATALOG

Attention and evidence

HYPE SCORE

0.0/10

REALITY · THREAT PRIORITY

8.7/10

General review priority; not probability

Evidence confidence: Exploitation recorded

Why this priority?

Recorded exploitation baseline: +7.00
Technical severity: CVSS 7.8: +1.17
Fresh EPSS: 98.62%: +0.49

General review priority, not probability, victim count or asset-specific risk. A range covers missing CVSS/EPSS inputs within the current evidence state.

Sources: 11 documents and public datasets.

Hype components

Headline sample (25%)

0/100

Press, 30 days (60%)

0/100

Grounded branding (15%)

0/100

HYPE TOTAL0/100

Sources and documents

CyberSecurityNews

Press · 28 Aug 2024, 07:00 · Rewards Up To $2.5 Million for Angler Exploit Kit Developer - CyberSecurityNews

Securelist

Press · 16 Oct 2017, 07:00 · BlackOasis APT and new targeted attacks leveraging zero-day exploit - Securelist

BleepingComputer

Press · 16 Oct 2017, 07:00 · Adobe Patches Flash Zero-Day Used by BlackOasis APT - BleepingComputer

Unit 42

Press · 07 Jun 2016, 07:00 · Understanding Angler Exploit Kit - Part 2: Examining Angler EK - Unit 42

Recorded Future

Press · 09 Nov 2015, 08:00 · New Kit, Same Player: Top 10 Vulnerabilities Used by Exploit Kits in 2016 - Recorded Future

See all 11 source documents

Recorded Future

Press · 23 Jul 2015, 07:00 · Analyzing Attack Vector Trends by Industry, Country, and More - Recorded Future

Google Cloud

Press · 13 Jul 2015, 07:00 · Demonstrating Hustle, Chinese APT Groups Quickly Use Zero-Day Vulnerability (CVE-2015-5119) Following Hacking Team Leak - Google Cloud

Malwarebytes

Press · 10 Jul 2015, 07:00 · DirectRev Malvertising Uses Self Sufficient Flash 0Day - Malwarebytes

SlashGear

Press · 08 Jul 2015, 07:00 · Adobe Plans To Patch Security Hole In All Versions Of Flash Today - SlashGear

Malwarebytes

Press · 07 Jul 2015, 07:00 · Hacking Team Leak Exposes New Flash Player Zero Day - Malwarebytes

Krebs on Security

Press · 07 Jul 2015, 07:00 · Adobe to Patch Hacking Team’s Flash Zero-Day - Krebs on Security

Score evolution

● Hype ● Reality

Earlier evidence-support scores are retained in history; this chart shows only the current priority definition.

First record: hype 0.0 · reality 8.7 (2026-11-02 15:12). The curve appears once the score changes.

Public exploit evidence

Public exploit entries / repo candidates

Source entries and unverified repository candidates are counted separately.

Public exploit evidence

exploitdb #37523 2015-07-08

Evidence context and dated references

Reality is general threat/review priority, combining observed exploitation, CVSS severity and fresh EPSS. Evidence confidence is separate. This is not calibrated risk, a victim count or an asset-specific assessment. A range reflects missing numeric inputs.

Evidence in context

Confidence in exploitation evidence: Exploitation recorded
Priority basis: Recorded exploitation; CVSS 7.8; EPSS 98.6%
Attention, last 30 days: 0 distinct story titles; 0 press documents; 0 publisher domains.
Technical potential: local access, no prior privileges, user interaction.
Observed activity: Exploitation recorded in CISA KEV.
Known scale: Not quantified.
Evidence confidence basis: Trusted exploitation confirmation

Score evaluated: 2026-11-05 13:57:40.729730+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z

Source event timeline

First press mention

07 Jul 2015, 07:00

Published

08 Jul 2015, 14:00

Added to the CISA KEV catalog

03 Mar 2022, 00:00

Latest press mention

28 Aug 2024, 07:00

Score calculated

05 Nov 2026, 13:57

PoCs on GitHub

1 repositories