LiveActive security incident?Get immediate response
CVE Record

CVE-2018-5895: Buffer over-read may happen in wma_process_utf_event() due to improper buffer length validation before writ...

Buffer over-read may happen in wma_process_utf_event() due to improper buffer length validation before writing into param_buf->num_wow_packet_buffer in Android releases from CAF using the linux kernel (Android for MSM, Firefox OS for MSM, QRD Android) before security patch level 2018-06-05.

UnknownCVSS not scoredNot KEV-listedUpdated
Discuss exposureBack to CVEs
Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

CVE-2018-5895 is a Qualcomm Android kernel-related flaw in CAF-based releases. It can cause a buffer over-read when specific event data is processed. The public bundle does not provide CVSS, attack prerequisites, or confirmed exploit activity, so business urgency depends mainly on whether legacy Qualcomm Android devices remain unpatched.

Executive priority

Prioritize as a legacy mobile patch-compliance issue. There is not enough source evidence to rate it high or critical, but unmanaged or unsupported Qualcomm Android devices should be updated, isolated, or retired.

Technical view

The issue is in wma_process_utf_event(), where improper buffer length validation may allow a buffer over-read before writing into param_buf->num_wow_packet_buffer. The affected scope is Android releases from CAF using the Linux kernel, including Android for MSM, Firefox OS for MSM, and QRD Android, before patch level 2018-06-05.

Likely exposure

Exposure is most likely in older Qualcomm-based Android device builds derived from CAF that have not received the 2018-06-05 security patch level or later. Modern managed devices are less likely exposed if patch compliance is enforced.

Exploitation context

The provided sources do not show active exploitation, KEV listing, public exploit use, or detailed attack path. Treat exploitation status as unconfirmed, not absent. The available evidence supports a memory safety bug with incomplete public severity context.

Researcher notes

Public data is sparse: no CVSS vector, CWE, exploit narrative, or patch diff is included in the bundle. Research should focus on vendor bulletin details, affected CAF branches, and whether OEM firmware incorporated the June 2018 Qualcomm/Android fixes.

Mitigation direction

  • Confirm affected devices are updated to Android security patch level 2018-06-05 or later.
  • Check Qualcomm, Android, and OEM advisories for device-specific firmware availability.
  • Remove unsupported legacy Android devices from sensitive networks where updates are unavailable.
  • Prioritize patch enforcement for Qualcomm-based devices with unclear CAF lineage.

Validation and detection

  • Inventory Android devices and record model, chipset, OS build, and security patch level.
  • Flag devices below Android security patch level 2018-06-05 for review.
  • Confirm whether device firmware derives from affected Qualcomm CAF Linux kernel releases.
  • Review MDM compliance reports for outdated Qualcomm Android builds.
Prepared
Confidence
medium
Sources
4

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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.

cve · low confidence lookup

CVE-2018-5895 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

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.

0CVSS vectors
0Timeline events
0ADP providers
3Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
Qualcomm, Inc.Android for MSM, Firefox OS for MSM, QRD AndroidAll Android releases from CAF using the Linux kernelListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.