CVE-2026-19999: Buffer Overflow in Open Asset Import Library Assimp Assimp
CVE-2026-19999 is a medium severity buffer overflow vulnerability in the Open Asset Import Library (Assimp) affecting the 3DGS MDL7 Bone Transformation Key Parser component. The flaw exists in the function Assimp::MDLImporter::ParseBoneTrafoKeys_3DGS_MDL7, where improper handling of the transmatrix_count/pcBoneTransforms argument can lead to a buffer overflow. This vulnerability can be triggered remotely and has been publicly disclosed. A patch has been identified but no explicit patch availability or vendor advisory is provided in the data.
AI Analysis
Technical Summary
The vulnerability CVE-2026-19999 in Assimp involves a buffer overflow in the function Assimp::MDLImporter::ParseBoneTrafoKeys_3DGS_MDL7 within the file MDLLoader.cpp. The issue arises from manipulation of the transmatrix_count/pcBoneTransforms argument, which can cause memory corruption. The vulnerability is remotely exploitable and has been publicly disclosed. A patch commit identifier (50d767984e78d51b53e2020fdf0967fd624bc377) is referenced, indicating a fix exists, though no direct vendor advisory or patch link is provided.
Potential Impact
Successful exploitation of this vulnerability could lead to a buffer overflow, potentially allowing an attacker to cause a denial of service or execute arbitrary code remotely. The CVSS 4.0 score of 5.3 reflects a medium severity with network attack vector, low complexity, no privileges required, and user interaction needed. Confidentiality, integrity, and availability impacts are rated low.
Mitigation Recommendations
A patch addressing this vulnerability has been identified (commit 50d767984e78d51b53e2020fdf0967fd624bc377). It is recommended to apply this patch to remediate the issue. Since no official vendor advisory or patch link is provided, users should verify the patch status with the official Assimp project repository or vendor communications. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance.
CVE-2026-19999: Buffer Overflow in Open Asset Import Library Assimp Assimp
Description
CVE-2026-19999 is a medium severity buffer overflow vulnerability in the Open Asset Import Library (Assimp) affecting the 3DGS MDL7 Bone Transformation Key Parser component. The flaw exists in the function Assimp::MDLImporter::ParseBoneTrafoKeys_3DGS_MDL7, where improper handling of the transmatrix_count/pcBoneTransforms argument can lead to a buffer overflow. This vulnerability can be triggered remotely and has been publicly disclosed. A patch has been identified but no explicit patch availability or vendor advisory is provided in the data.
CVSS v4.0
Score 5.3medium
Affected software
cpe:2.3:a:assimp:assimp:*:*:*:*:*:*:*:*AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability CVE-2026-19999 in Assimp involves a buffer overflow in the function Assimp::MDLImporter::ParseBoneTrafoKeys_3DGS_MDL7 within the file MDLLoader.cpp. The issue arises from manipulation of the transmatrix_count/pcBoneTransforms argument, which can cause memory corruption. The vulnerability is remotely exploitable and has been publicly disclosed. A patch commit identifier (50d767984e78d51b53e2020fdf0967fd624bc377) is referenced, indicating a fix exists, though no direct vendor advisory or patch link is provided.
Potential Impact
Successful exploitation of this vulnerability could lead to a buffer overflow, potentially allowing an attacker to cause a denial of service or execute arbitrary code remotely. The CVSS 4.0 score of 5.3 reflects a medium severity with network attack vector, low complexity, no privileges required, and user interaction needed. Confidentiality, integrity, and availability impacts are rated low.
Mitigation Recommendations
A patch addressing this vulnerability has been identified (commit 50d767984e78d51b53e2020fdf0967fd624bc377). It is recommended to apply this patch to remediate the issue. Since no official vendor advisory or patch link is provided, users should verify the patch status with the official Assimp project repository or vendor communications. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-08-16T18:12:27.763Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a82bebfbf8831d5397f7e8f
Added to database: 08/17/2026, 07:56:47 UTC
Last enriched: 08/17/2026, 08:15:40 UTC
Last updated: 08/17/2026, 09:59:13 UTC
Views: 7
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.