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CVE-2015-5122: Adobe Flash Player Use-After-Free Vulnerability

criticalknown exploitedpublic exploitCVE-2015-5122
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
Use-after-free vulnerability in the DisplayObject class in the ActionScript 3 (AS3) implementation in Adobe Flash Player allows remote attackers to execute code or cause a denial-of-service (DoS).

CSIRTS triage

vendor: Adobeproduct: Flash PlayerRemote code executionDenial of service
What
Use-after-free vulnerability in Adobe Flash Player allows remote attackers to execute code or cause a denial-of-service (DoS).
Who is affected
Deployments of Adobe Flash Player are affected.
Urgency
Remediation is urgent due to active exploitation and critical severity.
Action
Update to the latest version of Adobe Flash Player.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2022-04-13
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2015-5122

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2015-5122coverage & exploitation statusNVD · CVE.org

Recent advisories for Adobe Flash Player

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

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