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Fencer Intel
critical 10.0

CVE-2015-3864 in the critical feed json

Integer underflow in the MPEG4Extractor::parseChunk function in MPEG4Extractor.cpp in libstagefright in mediaserver in Android before 5.1.1…

published 11y ago modified 4mo ago also EUVD-2015-3900

cvss
10.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
87.1%
EPSS 87.1% chance of exploitation in 30 days, percentile 99.7%
public exploits
4
Metasploit and Exploit-DB

Summary

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.

Patch / fix

Is CVE-2015-3864 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Timeline

  1. First public exploit (Metasploit exploit/android/browser/stagefright_mp4_tx3g_64bit)
  2. Published

Exploit prediction

87.13% chance of exploitation in the next 30 days, higher than 99.7% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

CVSS scores

assigned by version score vector
NVD 2.0 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.