CVE intelligence and bounded remediation

CVE-2017-13228 — In function ih264d_ref_idx_reordering of libavc, there is an out-of-bounds write due to modCount being defined as an unsigned character

High CVSS 9.3

In function ih264d_ref_idx_reordering of libavc, there is an out-of-bounds write due to modCount being defined as an unsigned character. This could lead to remote code execution with no additional execution privileges needed. User interaction is needed for exploitation. Product: Android. Versions: 6.0, 6.0.1, 7.0, 7.1.1, 7.1.2, 8.0, 8.1. Android ID: A-69478425.

Severity
High
CVSS
9.3 (2.0)
Published
2018-02-12
CISA KEV
Not currently listed
Ecosystem
operating-system
Weaknesses
CWE-787

Affected products

  • google / android / 6.0
  • google / android / 6.0.1
  • google / android / 7.0
  • google / android / 7.1.1
  • google / android / 7.1.2
  • google / android / 8.0

Showing 6 representative product identities from 7 source matches. Confirm exact affected versions with the linked vendor and NVD evidence.

Matched remediation archetype

Buffer bounds, memory safety, and memory corruption

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Check exposure

  • Identify affected native-code versions, build flags, architectures, parsers, codecs, drivers, and input paths in all shipped artifacts.
  • Determine whether untrusted data reaches the affected routine and the process privilege, sandbox, and network exposure.
  • Confirm statically linked, vendored, firmware, and platform-provided copies, not only package-manager records.

Remediate safely

  • Apply the maintained upstream correction or replace the affected component, then rebuild every dependent artifact from clean inputs.
  • Adopt bounds-checked interfaces, validated sizes and integer conversions, clear ownership, and memory-safe components where practical.
  • Enable supported compiler and runtime hardening and add sanitized tests and fuzz regression seeds derived from non-weaponized fixtures.

Authoritative sources

Complete CVE record and remediation plan

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