MEDIUM
CVE-2018-19665
CWE-190Published: December 6, 2018· Updated: Jun 17, 2026
5.7
CVSS v3.1
Official Description
The Bluetooth subsystem in QEMU mishandles negative values for length variables, leading to memory corruption.
Technical Analysis
CVE-2018-19665 requires adjacent network access, limiting remote exploitation but still posing risk in shared or local network environments.
Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
A successful exploit results in availability disruption (denial of service), with a CVSS base score of 5.7.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorAdjacent
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected Vendors & Products
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (8)
→
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00072.htmlMailing List · Third Party Advisory
→
http://www.openwall.com/lists/oss-security/2018/11/29/1Mailing List · Patch · Third Party Advisory
→
http://www.securityfocus.com/bid/106050Third Party Advisory · VDB Entry
→
https://lists.gnu.org/archive/html/qemu-devel/2018-11/msg03570.htmlMailing List · Patch · Third Party Advisory
→
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00072.htmlMailing List · Third Party Advisory
→
http://www.openwall.com/lists/oss-security/2018/11/29/1Mailing List · Patch · Third Party Advisory
→
http://www.securityfocus.com/bid/106050Third Party Advisory · VDB Entry
→
https://lists.gnu.org/archive/html/qemu-devel/2018-11/msg03570.htmlMailing List · Patch · Third Party Advisory
Quick Facts
CVE IDCVE-2018-19665
CVSS Score5.7 / 10
SeverityMEDIUM
WeaknessCWE-190
CISA KEVNo
Affected2 vendor(s)
PublishedDec 6, 2018
Related CVEs (CWE-190)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2018-19665 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.