libstagefright in Android before 5.1.1 LMY48T allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted media file, aka internal bug 23031033.
Conclusion & alert: CVE-2015-3871 is rated High Risk (71.1/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 2.67%). Core evidence: EPSS rose +1.20% over the last day, indicating growing attacker interest. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-02-27 | 1.47% | 2.67% | +1.20% |
| 2 | 2025-03-30 | 1.04% | 1.47% | +0.43% |
| 3 | 2025-03-29 | — | 1.04% | — |
Full EPSS history (6 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 10.0 | 2.0 | HIGH |
|
10.0 | 10.0 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
ubuntu
|
negligible | CVE-2015-3871 negligible priority: Ubuntu including 1 source packages (android), 5 status rows across 5 suites (precise, trusty, upstream, vivid, wily): DNE 2, ignored 2, released 1. | https://ubuntu.com/security/CVE-2015-3871 |
| URL | Tags |
|---|---|
| https://groups.google.com/forum/message/raw?msg=android-security-updates/_Rm-lKnS2M8/dGTcilt0CAAJ | Vendor Advisory |