ExploitedIn CISA KEVFix available

CVE-2015-5119

Exploitation confirmed. First attested on 2022-03-03 by CISA-ADP, CISA KEV, GCVE · kevintel.

Published2015-07-08
WeaknessCWE-416

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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.

Timeline

dates in UTC

2015-07-0814:59CVE publishedNVD
2022-03-03Listed as exploited by GCVEGCVE
2022-03-03Exploitation first reportedCISA KEV
2022-03-03Added to the CISA KEV catalogCISA KEV
2025-11-1719:55SSVC exploitation set to activeCISA-ADP
2026-10-2319:23First public proof of conceptPoC-in-GitHub
2026-10-2319:23EPSS crossed 10 %FIRST EPSS

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2015-5119?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2015-5119?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Adobe flash playerversion to verify

Branch	Affected	Fixed in	Source
13.0	≥ 13.0.0.182, ≤ 13.0.0296	no fix published	NVD
18.0	≥ 14.0.0.125, ≤ 18.0.0.194	no fix published	NVD
11.2	≤ 11.2.202.468	no fix published	NVD

Opensuse

Branch	Affected	Fixed in	Source
13.1	= 13.1	no fix published	NVD
13.2	= 13.2	no fix published	NVD

Redhat enterprise linux desktop

Branch	Affected	Fixed in	Source
5.0	= 5.0	no fix published	NVD
6.0	= 6.0	no fix published	NVD

8 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

CISA’s required action: The impacted product is end-of-life and should be disconnected if still in use.due 2022-03-24

Advisories and patches

helpx.adobe.comPatch · Vendor Advisory
helpx.adobe.comPatch · Vendor Advisory

Detection

read 2026-10-23 19:23 UTC

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: 3 repositories, unverifiedjvazquez-r7/CVE-2015-5119CiscoCXSecurity/CVE-2015-5119_walkthroughdangokyo/CVE-2015-5119

CISA Known Exploited Vulnerability

Date Added: 2022-03-03
Patch Due Date: 2022-03-24
Ransomware Use: Unknown
Required Action: The impacted product is end-of-life and should be disconnected if still in use.

Sources

CISA KEVKEV entry2022-03-03
GCVEexploitation2022-03-03
CISA-ADPSSVC decisionactive2025-11-17
OpenCVESSVC decisionactive—
CISA-ADPCVSS 3.17.82025-02-04
NVDCVSS 3.19.8read 2026-10-23
NVDCVSS 2.010read 2026-10-23
CISA-ADPweakness (CWE)CWE-4162025-02-04
NVDweakness (CWE)CWE-416read 2026-10-23
FIRST EPSSEPSS score98.6 %read 2026-10-23
PoC-in-GitHubproof of concept3read 2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published: 2015-07-08
Last Modified: 2026-06-17
NVD status: Analyzed

Frequently asked questions

What is CVE-2015-5119?

Is CVE-2015-5119 actively exploited?

Yes. CVE-2015-5119 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2022-03-24.

What is the CVSS score for CVE-2015-5119?

CVE-2015-5119 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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