CVE-2026-10231

MEDIUMNVD 5.35.3—
EchelonGraph scoreMEDIUM confidence

Score 5.3 from GitHub Security Advisory (severity: LOW) published 2026-06-01. NVD baseline CVSS 5.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 4 sources updated this weekElevated
5.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.3Exploit: Elevated riskExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

A security flaw has been discovered in Assimp up to 6.0.4. Affected is the function HL1MDLLoader::extract_anim_value of the file HL1MDLLoader.cpp of the component Half-Life 1 MDL Loader. Performing a manipulation of the argument num.total results in heap-based buffer overflow. The attack must be initiated from a local position. The exploit has been released to the public and may be used for attacks. The project tagged the reported issue as bug.

CVSS v3
5.3
EG Score
5.3(medium)
EG Risk
40(Track)
EG Risk 40/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity53% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
2%
KEV
Not listed

Published

June 1, 2026

Last Modified

July 22, 2026

Advisory Details (2)

Auto-updated Jun 17, 2026
No patch confirmed yet.
generic

Bug: Heap-buffer-overflow in HL1MDLLoader::extract_anim_value due to zero num.total · Issue #6616 · assimp/assimp · GitHub

https://github.com/assimp/assimp/issues/6616
generic

GitHub - assimp/assimp: The official Open-Asset-Importer-Library Repository. Loads 40+ 3D-file-formats into one unified and clean data structure. · GitHub

https://github.com/assimp/assimp/

Vendor Advisories for CVE-2026-10231(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Affected Packages

(4 across 4 ecosystems)
Debian:11(1)
PackageVulnerable rangeFixed inDependents
assimp5.0.1~ds0-2 ... 6.0.5+ds-1 (34 versions)——
Debian:12(1)
PackageVulnerable rangeFixed inDependents
assimp5.2.5~ds0-1 ... 6.0.5+ds-1 (14 versions)——
Debian:13(1)
PackageVulnerable rangeFixed inDependents
assimp5.4.3+ds-2 ... 6.0.5+ds-1 (7 versions)——
Debian:14(1)
PackageVulnerable rangeFixed inDependents
assimp5.4.3+ds-2 ... 6.0.5+ds-1 (7 versions)——

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 9× in last 7d / 33× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 191 total refreshes for this CVE.

  1. 2026-09-16 05:14 UTCEPSS rescore
  2. 2026-09-14 06:12 UTCEG score recompute
  3. 2026-09-14 06:12 UTCGHSA enrichment
  4. 2026-09-13 16:46 UTCEPSS rescore
  5. 2026-09-13 01:06 UTCOSV refresh
  6. 2026-09-12 15:00 UTCEPSS rescore
  7. 2026-09-11 14:52 UTCEPSS rescore
  8. 2026-09-11 09:36 UTCEPSS rescore
  9. 2026-09-10 09:34 UTCEPSS rescore
  10. 2026-09-08 22:00 UTCEPSS rescore
  11. 2026-09-07 16:01 UTCEPSS rescore
  12. 2026-09-06 13:47 UTCEPSS rescore
  13. 2026-09-04 05:06 UTCEPSS rescore
  14. 2026-09-01 13:53 UTCEPSS rescore
  15. 2026-09-01 04:39 UTCEPSS rescore
  16. 2026-08-30 19:17 UTCEPSS rescore
  17. 2026-08-30 01:21 UTCEPSS rescore
  18. 2026-08-28 21:40 UTCEPSS rescore
  19. 2026-08-27 14:24 UTCEPSS rescore
  20. 2026-08-25 13:48 UTCEPSS rescore
  21. 2026-08-25 04:01 UTCEG score recompute
  22. 2026-08-25 04:01 UTCGHSA enrichment
  23. 2026-08-23 13:58 UTCEG score recompute
  24. 2026-08-23 13:58 UTCGHSA enrichment
  25. 2026-08-23 00:19 UTCEPSS rescore
Show 75 more
  1. 2026-08-21 23:48 UTCEPSS rescore
  2. 2026-08-21 14:54 UTCEG score recompute
  3. 2026-08-21 14:54 UTCGHSA enrichment
  4. 2026-08-20 22:55 UTCEPSS rescore
  5. 2026-08-20 10:20 UTCEG score recompute
  6. 2026-08-20 10:20 UTCGHSA enrichment
  7. 2026-08-19 17:03 UTCEPSS rescore
  8. 2026-08-18 13:48 UTCEPSS rescore
  9. 2026-08-17 06:46 UTCEG score recompute
  10. 2026-08-17 06:46 UTCGHSA enrichment
  11. 2026-08-16 14:56 UTCEPSS rescore
  12. 2026-08-16 02:23 UTCEG score recompute
  13. 2026-08-16 02:23 UTCGHSA enrichment
  14. 2026-08-16 02:14 UTCEPSS rescore
  15. 2026-08-15 01:30 UTCEPSS rescore
  16. 2026-08-14 23:02 UTCGHSA enrichment
  17. 2026-08-13 23:22 UTCEG score recompute
  18. 2026-08-13 23:22 UTCGHSA enrichment
  19. 2026-08-13 22:00 UTCEPSS rescore
  20. 2026-08-12 22:47 UTCEG score recompute
  21. 2026-08-12 22:47 UTCGHSA enrichment
  22. 2026-08-12 13:50 UTCEPSS rescore
  23. 2026-08-11 23:07 UTCEG score recompute
  24. 2026-08-11 23:07 UTCGHSA enrichment
  25. 2026-08-11 13:42 UTCEPSS rescore
  26. 2026-08-10 23:59 UTCEPSS rescore
  27. 2026-08-10 23:27 UTCGHSA enrichment
  28. 2026-08-09 21:15 UTCEG score recompute
  29. 2026-08-09 21:15 UTCGHSA enrichment
  30. 2026-08-09 13:46 UTCEPSS rescore
  31. 2026-08-08 21:35 UTCEG score recompute
  32. 2026-08-08 21:35 UTCGHSA enrichment
  33. 2026-08-08 16:37 UTCEPSS rescore
  34. 2026-08-07 21:53 UTCGHSA enrichment
  35. 2026-08-06 22:13 UTCEG score recompute
  36. 2026-08-06 22:12 UTCGHSA enrichment
  37. 2026-08-06 13:46 UTCEPSS rescore
  38. 2026-08-05 22:27 UTCEG score recompute
  39. 2026-08-05 22:27 UTCGHSA enrichment
  40. 2026-08-05 19:17 UTCEPSS rescore
  41. 2026-08-04 22:47 UTCEG score recompute
  42. 2026-08-04 22:47 UTCGHSA enrichment
  43. 2026-08-04 15:09 UTCEPSS rescore
  44. 2026-08-04 10:38 UTCEPSS rescore
  45. 2026-08-03 15:52 UTCEG score recompute
  46. 2026-08-03 15:52 UTCGHSA enrichment
  47. 2026-08-03 10:35 UTCEPSS rescore
  48. 2026-08-02 13:25 UTCEG score recompute
  49. 2026-08-02 13:25 UTCGHSA enrichment
  50. 2026-08-02 02:26 UTCEPSS rescore
  51. 2026-08-01 13:45 UTCEG score recompute
  52. 2026-08-01 13:45 UTCGHSA enrichment
  53. 2026-08-01 04:15 UTCEPSS rescore
  54. 2026-07-31 05:47 UTCEG score recompute
  55. 2026-07-31 05:47 UTCGHSA enrichment
  56. 2026-07-30 16:27 UTCEPSS rescore
  57. 2026-07-30 01:30 UTCEPSS rescore
  58. 2026-07-29 11:22 UTCEG score recompute
  59. 2026-07-29 11:21 UTCGHSA enrichment
  60. 2026-07-28 15:36 UTCEPSS rescore
  61. 2026-07-28 03:56 UTCEG score recompute
  62. 2026-07-28 03:56 UTCGHSA enrichment
  63. 2026-07-27 14:13 UTCEPSS rescore
  64. 2026-07-27 02:10 UTCEG score recompute
  65. 2026-07-27 02:10 UTCGHSA enrichment
  66. 2026-07-24 14:17 UTCEPSS rescore
  67. 2026-07-23 14:18 UTCEPSS rescore
  68. 2026-07-23 03:04 UTCEG score recompute
  69. 2026-07-22 14:08 UTCEPSS rescore
  70. 2026-07-22 07:21 UTCNVD updateCVSS v4 → 1.9
  71. 2026-07-21 15:24 UTCEPSS rescore
  72. 2026-07-20 17:08 UTCEPSS rescore
  73. 2026-07-19 14:30 UTCEPSS rescore
  74. 2026-07-18 10:04 UTCEPSS rescore
  75. 2026-07-16 17:02 UTCEPSS rescore

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-10231?
CVE-2026-10231 is a medium vulnerability published on June 1, 2026. A security flaw has been discovered in Assimp up to 6.0.4. Affected is the function HL1MDLLoader::extractanimvalue of the file HL1MDLLoader.cpp of the component Half-Life 1 MDL Loader. Performing a manipulation of the argument num.total results in heap-based buffer overflow. The attack must be…
When was CVE-2026-10231 disclosed?
CVE-2026-10231 was first published in the National Vulnerability Database on June 1, 2026, with the most recent update on July 22, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-10231 actively exploited?
CVE-2026-10231 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 97.6% of all scored CVEs.
What is the CVSS score of CVE-2026-10231?
CVE-2026-10231 has a CVSS v3 base score of 5.3 (NVD).
How do I remediate CVE-2026-10231?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-10231, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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