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CVE Record

CVE-2014-8240: Integer overflow in TigerVNC allows remote VNC servers to cause a denial of service (crash) and possibly ex...

Integer overflow in TigerVNC allows remote VNC servers to cause a denial of service (crash) and possibly execute arbitrary code via vectors related to screen size handling, which triggers a heap-based buffer overflow, a similar issue to CVE-2014-6051.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysis

Security readout for executives and security teams

TigerVNC could mishandle screen-size values sent by a remote VNC server. A malicious or compromised server may crash the connecting client and, according to the CVE description, possibly run code. Risk is highest where users connect TigerVNC to untrusted VNC servers. Exposure likely involves TigerVNC client/viewer deployments connecting to remote VNC servers, especially unmanaged, internet-sourced, or third-party VNC endpoints. Exact affected versions are not listed in the bundle. Prioritize remediation for administrators, support staff, or jump hosts that use TigerVNC to reach varied servers. Business urgency is lower where TigerVNC is absent or only connects to tightly controlled internal endpoints. Mitigation focus: Check TigerVNC and OS vendor advisories for fixed package versions.; Apply available TigerVNC or distribution security updates.; Avoid connecting TigerVNC clients to untrusted VNC servers..

Prepared

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

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Execution behavior lookup

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CVE-2014-8240 mapping review

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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
4Source 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
n/an/an/aListed
Weakness

CWE details

No CWE listed

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