LiveActive security incident?Get immediate response
CVE Record

CVE-2017-12099: An exploitable integer overflow exists in the upgrade of the legacy Mesh attribute 'tface' of the Blender o...

An exploitable integer overflow exists in the upgrade of the legacy Mesh attribute 'tface' of the Blender open-source 3d creation suite v2.78c. A specially crafted .blend file can cause an integer overflow resulting in a buffer overflow which can allow for code execution under the context of the application. An attacker can convince a user to open the file or use it as a library in order to trigger this vulnerability.

HighCVSS 8.8Not KEV-listedUpdated
Discuss exposureBack to CVEs
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

CVE-2017-12099 affects Blender 2.78c. A malicious .blend file can trigger memory corruption when Blender upgrades a legacy mesh attribute, potentially allowing code execution as the user running Blender. The main business risk is compromise through opened or linked 3D project files.

Executive priority

Prioritize remediation where Blender processes third-party or customer-supplied files. The vulnerability is high severity because successful exploitation could run code, but available evidence requires user interaction and does not show active exploitation.

Technical view

The issue is an integer overflow in Blender’s legacy Mesh tface upgrade path. A crafted .blend file can cause a buffer overflow and possible code execution in the application context. The CVSS 3.0 score is 8.8 with user interaction required.

Likely exposure

Exposure is most likely on systems running Blender 2.78c, especially where users open untrusted .blend files, import external assets, or link .blend files as libraries. The bundle does not prove broader version exposure.

Exploitation context

The source bundle says exploitation requires convincing a user to open a crafted .blend file or use it as a library. KEV is false, and no cited source in the bundle states active exploitation.

Researcher notes

Talos identifies the vulnerable path as upgrading the legacy Mesh tface attribute in Blender 2.78c. The bundle lacks CWE data, complete fixed upstream version details, and active exploitation evidence; validate fixes against vendor or distribution advisories.

Mitigation direction

  • Upgrade Blender using official vendor or distribution security guidance.
  • Apply Debian Blender security updates if using Debian-packaged Blender.
  • Restrict opening .blend files from untrusted sources.
  • Use least-privilege user accounts for 3D content workflows.
  • Check vendor advisories for fixed versions and supported releases.

Validation and detection

  • Inventory endpoints and build systems for Blender 2.78c.
  • Identify workflows that open external .blend files or libraries.
  • Confirm installed Blender packages include relevant security updates.
  • Review file-handling policy for untrusted 3D assets.
  • Check endpoint telemetry for suspicious Blender child processes.
Prepared
Confidence
high
Sources
5

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.

description · low confidence lookup

Execution behavior lookup

The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2017-12099 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
High
CVSS
8.8 (3.0)
Known Exploited
No
Published

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

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.

1CVSS vectors
0Timeline events
0ADP providers
4Source links

CVSS vector scores

1 official score

We 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.

ScoreVersionSeverityVectorExploitImpactSource
8.8CVSS 3.0HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H2.85.9Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

8.8High
CVSS 3.0 vector shape for CVE-2017-12099Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
BlenderBlenderv2.78cListed
Weakness

CWE details

No CWE listed

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