CVE-2016-0838

Severity: critical (CVSS 9.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2016-04-18 · updated 2026-06-17
Weakness: CWE-119

Description

Sonivox in mediaserver in Android 4.x before 4.4.4, 5.0.x before 5.0.2, 5.1.x before 5.1.1, and 6.x before 2016-04-01 does not check for a negative number of samples, which allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted media file, related to arm-wt-22k/lib_src/eas_wtengine.c and arm-wt-22k/lib_src/eas_wtsynth.c, aka internal bug 26366256.

Affected products

Android: 4.0, 4.0.1, 4.0.2, 4.0.3, 4.0.4, 4.1 (+16)

References

http://source.android.com/security/bulletin/2016-04-02.html
https://android.googlesource.com/platform/external/sonivox/+/24d7c408c52143bce7b49de82f3913fd8d1219cf
https://android.googlesource.com/platform/external/sonivox/+/3ac044334c3ff6a61cb4238ff3ddaf17c7efcf49
http://source.android.com/security/bulletin/2016-04-02.html
https://android.googlesource.com/platform/external/sonivox/+/24d7c408c52143bce7b49de82f3913fd8d1219cf
https://android.googlesource.com/platform/external/sonivox/+/3ac044334c3ff6a61cb4238ff3ddaf17c7efcf49

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