CVE-2015-3861

Multiple integer overflows in the addVorbisCodecInfo function in matroska/MatroskaExtractor.cpp in libstagefright in mediaserver in Android before 5.1.1 LMY48M allow remote attackers to cause a denial of service (device inoperability) via crafted Matroska data, aka internal bug 21296336.

Published: 2015-10-01 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2015-3861 is rated Low Risk (38.4/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.31%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.

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

Exploit prediction scoring system (EPSS) score for CVE-2015-3861

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 2025-03-17 0.14% 0.31% +0.17%
2 2023-03-07 1.05% 0.14% -0.92%
3 2022-02-04 1.05%

Full EPSS history (3 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2015-3861

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P 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:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
10.0 2.9 [email protected]

Weakness enumeration for CVE-2015-3861

OS Trackers for CVE-2015-3861

vendor priority summary link
ubuntu negligible CVE-2015-3861 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-2015-3861

Affected software / configurations for CVE-2015-3861

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

References for CVE-2015-3861

cvelogic Threat Intelligence