Security readout for executives and security teams
Plain-English summary
CVE-2018-9350 is an Android media-decoder flaw that can crash affected devices or services when a user interacts with malicious content. The available sources describe denial of service only, not data theft or code execution. The listed affected Android versions are 7, 7.1.1, 7.1.2, 8, and 8.1.
Executive priority
Treat this as a moderate availability risk for legacy Android fleets. It is not described as data theft or remote code execution, but unsupported or unpatched devices can still create operational disruption if users process malicious media.
Technical view
The issue is a CWE-125 out-of-bounds read in ih264d_assign_pic_num within ih264d_utils.c, caused by a missing bounds check. CVSS 3.1 is 6.5 with network attack vector, low complexity, no privileges, required user interaction, and high availability impact.
Likely exposure
Exposure is most relevant to devices running the listed Android 7.x or 8.x versions that process attacker-supplied media through the affected decoder path. The source bundle does not identify other vendors, downstream products, or specific delivery formats.
Exploitation context
The CVE data says exploitation requires user interaction and no additional execution privileges. The source bundle does not show CISA KEV listing, active exploitation, public exploit details, or confirmed weaponization.
Researcher notes
Evidence is limited to the CVE record and Android bulletin reference. The affected code path points to H.264 decoding, but the bundle does not provide patch diff details, exploit samples, or downstream device coverage. Avoid claiming active exploitation without additional evidence.
Mitigation direction
- Review the Android or Pixel June 2018 bulletin for vendor remediation guidance.
- Update affected Android devices to vendor-supported security patch levels.
- Prioritize unsupported Android 7.x and 8.x devices for replacement or isolation.
- Limit exposure to untrusted media where immediate patching is not possible.
Validation and detection
- Inventory Android devices and record OS versions and patch levels.
- Identify devices running Android 7, 7.1.1, 7.1.2, 8, or 8.1.
- Compare patch status against the referenced Android or Pixel security bulletin.
- Confirm media-handling apps are updated through vendor-approved channels.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-125: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2018-9350 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 6.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H2.83.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.5MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://source.android.com/docs/security/bulletin/pixel/2018-06-01CVE reference
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Out-of-bounds Read
Out-of-bounds Read represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.