CVE-2015-3864

high

Description

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.

References

https://www.exploit-db.com/exploits/40436/

https://www.exploit-db.com/exploits/39640/

https://www.exploit-db.com/exploits/38226/

https://groups.google.com/forum/message/raw?msg=android-security-updates/1M7qbSvACjo/Y7jewiW1AwAJ

https://blog.zimperium.com/reflecting-on-stagefright-patches/

https://blog.zimperium.com/cve-2015-3864-metasploit-module-now-available-for-testing/

https://android.googlesource.com/platform/frameworks/av/+/6fe85f7e15203e48df2cc3e8e1c4bc6ad49dc968

http://www.securityfocus.com/bid/76682

Details

Source: Mitre, NVD

Published: 2015-10-01

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 8.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.87125