CVE-2026-9503

LOWNVD 3.33.3—
EchelonGraph scoreMEDIUM confidence

Score 3.3 from GitHub Security Advisory (severity: LOW) published 2026-05-26. NVD baseline CVSS 3.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
3.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 3.3Exploit: 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 GNU LibreDWG up to 0.14. This impacts the function dwg_next_entity of the file src/decode.c of the component DWG File Handler. The manipulation results in null pointer dereference. The attack must be initiated from a local position. The exploit has been released to the public and may be used for attacks. The patch is identified as 8f03865f37f5d4ffd616fef802acc980be54d300. Upgrading the affected component is advised.

CVSS v3
3.3
EG Score
3.3(medium)
EG Risk
31(Track)
EG Risk 31/100SSVC: 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
Severity33% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
2%
KEV
Not listed

Published

May 25, 2026

Last Modified

July 23, 2026

References (7)

Vendor Advisories for CVE-2026-9503(1)

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

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 3× in last 7d / 35× 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 125 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-9503?
CVE-2026-9503 is a low vulnerability published on May 25, 2026. A security flaw has been discovered in GNU LibreDWG up to 0.14. This impacts the function dwgnextentity of the file src/decode.c of the component DWG File Handler. The manipulation results in null pointer dereference. The attack must be initiated from a local position. The exploit has been released…
When was CVE-2026-9503 disclosed?
CVE-2026-9503 was first published in the National Vulnerability Database on May 25, 2026, with the most recent update on July 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-9503 actively exploited?
CVE-2026-9503 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 98.4% of all scored CVEs.
What is the CVSS score of CVE-2026-9503?
CVE-2026-9503 has a CVSS v3 base score of 3.3 (NVD).
How do I remediate CVE-2026-9503?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-9503, 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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