CVE-2015-5123

criticalknown exploitedcovered by 1 sourcefirst seen 2022-04-13

Actively exploited. CVE-2015-5123 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-04-13) — exploitation has been observed in the wild, and US federal agencies are required to remediate it under BOD 22-01. Treat patching as urgent.

Use-after-free vulnerability in the BitmapData 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

What: Use-after-free vulnerability in the BitmapData class in Adobe Flash Player allows remote attackers to execute code or cause a denial-of-service (DoS).
Who is affected: Users of Adobe Flash Player.
Urgency: Immediate action is required as the vulnerability is actively exploited and rated critical.
Action: Update to the latest version of Adobe Flash Player to fix the vulnerability.

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

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Exploitation outlook

Exploitation confirmedAlready exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 97% of all EPSS-scored CVEs.

Advisory coverage (1)

criticalexploitedCVE-2015-5123: Adobe Flash Player Use-After-Free Vulnerabilitycisa-kev · 2022-04-13

External references

NVD record for CVE-2015-5123

CVE.org record

CISA KEV catalog

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