CVE-2015-3864

Exp

Integer underflow in the MPEG4Extractor::parseChunk function in MPEG4Extractor.cpp in libstagefright in mediaserver in Android before 5.1.1 LMY48M allows remote attackers to execute arbitrary code via crafted MPEG-4 data, aka internal bug 23034759. NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-3824.

Published: 2015-10-01 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2015-3864 is rated High Exploit Risk (93.1/100): CVSS Critical severity, with high exploitation likelihood (EPSS 90.27%, 100th percentile). 3 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +3.23% over the last day, indicating growing attacker interest. Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2015-3864

EDB-ID Source Kind Published Link
40436 exploit_db edb 2016-09-27 Exploit-DB ↗
39640 exploit_db edb 2016-03-30 Exploit-DB ↗
38226 exploit_db edb 2015-09-17 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2015-3864

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 2026-06-04 87.03% 90.27% +3.23%
2 2025-11-22 87.59% 87.03% -0.56%
3 2025-10-17 — 87.59% —

Full EPSS history (16 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2015-3864

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
10.0 2.0 HIGH
AV:N/AC:L/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 10.0 10.0 [email protected]

Weakness enumeration for CVE-2015-3864

OS Trackers for CVE-2015-3864

vendor priority summary link
ubuntu negligible CVE-2015-3864 negligible priority: Ubuntu including 1 source packages (android), 5 status rows across 5 suites (precise, trusty, upstream, vivid, wily): DNE 2, ignored 2, needs-triage 1. https://ubuntu.com/security/CVE-2015-3864

Affected software / configurations for CVE-2015-3864

Vendor Product Version Raw CPE
google android <= 5.1 cpe:2.3:o:google:android:*:*:*:*:*:*:*:*

References for CVE-2015-3864

cvelogic Threat Intelligence