CVE-2016-0803

libstagefright in mediaserver in Android 4.x before 4.4.4, 5.x before 5.1.1 LMY49G, and 6.x before 2016-02-01 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted media file that triggers a large memory allocation in the (1) SoftMPEG4Encoder or (2) SoftVPXEncoder component, aka internal bug 25812794.

Published: 2016-02-06 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2016-0803 is rated High Risk (69.5/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 2.52%). Core evidence: EPSS rose +1.30% 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.

Exploit prediction scoring system (EPSS) score for CVE-2016-0803

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 2026-06-15 1.21% 2.52% +1.30%
2 2025-07-07 2.57% 1.21% -1.35%
3 2025-03-30 2.57%

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2016-0803

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.8 3.0 CRITICAL
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
3.9 5.9 [email protected]
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-2016-0803

OS Trackers for CVE-2016-0803

vendor priority summary link
ubuntu low CVE-2016-0803 low priority: Ubuntu including 2 source packages (android, libhybris), 14 status rows across 7 suites (precise, trusty, upstream, wily, xenial, yakkety, zesty): DNE 4, ignored 4, not-affected 4, needs-triage 2. https://ubuntu.com/security/CVE-2016-0803

Affected software / configurations for CVE-2016-0803

Vendor Product Version Raw CPE
google android 4.0 cpe:2.3:o:google:android:4.0:*:*:*:*:*:*:*
google android 4.0.1 cpe:2.3:o:google:android:4.0.1:*:*:*:*:*:*:*
google android 4.0.2 cpe:2.3:o:google:android:4.0.2:*:*:*:*:*:*:*
google android 4.0.3 cpe:2.3:o:google:android:4.0.3:*:*:*:*:*:*:*
google android 4.0.4 cpe:2.3:o:google:android:4.0.4:*:*:*:*:*:*:*
google android 4.1 cpe:2.3:o:google:android:4.1:*:*:*:*:*:*:*
google android 4.1.2 cpe:2.3:o:google:android:4.1.2:*:*:*:*:*:*:*
google android 4.2 cpe:2.3:o:google:android:4.2:*:*:*:*:*:*:*
google android 4.2.1 cpe:2.3:o:google:android:4.2.1:*:*:*:*:*:*:*
google android 4.2.2 cpe:2.3:o:google:android:4.2.2:*:*:*:*:*:*:*
google android 4.3 cpe:2.3:o:google:android:4.3:*:*:*:*:*:*:*
google android 4.3.1 cpe:2.3:o:google:android:4.3.1:*:*:*:*:*:*:*
google android 4.4 cpe:2.3:o:google:android:4.4:*:*:*:*:*:*:*
google android 4.4.1 cpe:2.3:o:google:android:4.4.1:*:*:*:*:*:*:*
google android 4.4.2 cpe:2.3:o:google:android:4.4.2:*:*:*:*:*:*:*
google android 4.4.3 cpe:2.3:o:google:android:4.4.3:*:*:*:*:*:*:*
google android 4.4.4 cpe:2.3:o:google:android:4.4.4:*:*:*:*:*:*:*
google android 5.0 cpe:2.3:o:google:android:5.0:*:*:*:*:*:*:*
google android 5.0.1 cpe:2.3:o:google:android:5.0.1:*:*:*:*:*:*:*
google android 5.0.2 cpe:2.3:o:google:android:5.0.2:*:*:*:*:*:*:*
google android 5.1 cpe:2.3:o:google:android:5.1:*:*:*:*:*:*:*
google android 5.1.0 cpe:2.3:o:google:android:5.1.0:*:*:*:*:*:*:*
google android 5.1.1 cpe:2.3:o:google:android:5.1.1:*:*:*:*:*:*:*
google android 6.0 cpe:2.3:o:google:android:6.0:*:*:*:*:*:*:*
google android 6.0.1 cpe:2.3:o:google:android:6.0.1:*:*:*:*:*:*:*

References for CVE-2016-0803

cvelogic Threat Intelligence