CVE-2026-9605

HIGHNVD 7.37.3—
EchelonGraph scoreMEDIUM confidence

Score 7.3 from GitHub Security Advisory published 2026-05-27. NVD baseline CVSS 7.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 4 sources updated this weekElevated
7.3EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.3Exploit: Elevated riskExposed: 0

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

A flaw has been found in GNU libredwg up to 0.13.4.8160. This issue affects the function bit_read_RC of the file bits.c of the component Dwgbmp Utility. This manipulation causes heap-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been published and may be used. Patch name: 8f03865f37f5d4ffd616fef802acc980be54d300. Applying a patch is the recommended action to fix this issue.

CVSS v3
7.3
EG Score
7.3(medium)
EG Risk
64(Attend)
EG Risk 64/100SSVC: Attend

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
Severity73% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
0%
EPSS %ILE
26%
KEV
Not listed

Published

May 26, 2026

Last Modified

July 24, 2026

Advisory Details (4)

Auto-updated Jun 11, 2026
Upstream fix merged — awaiting tagged release. Sources: github_commit.
generic

dwgbmp: Heap-buffer-overflow in bit_read_RC at bits.c:281 (libredwg main branch @6d6a339) · Issue #1248 · LibreDWG/libredwg · GitHub

https://github.com/LibreDWG/libredwg/issues/1248
generic

The GNU Operating System and the Free Software Movement

https://www.gnu.org/
github_commit

commit 8f03865f37f5 (LibreDWG/libredwg)

Fix landed in LibreDWG/libredwg commit 8f03865f37f5 — awaiting tagged release

https://github.com/LibreDWG/libredwg/commit/8f03865f37f5d4ffd616fef802acc980be54d300
generic

CVE-Repos/libredwg/libredwg_6d6a339_heap_oob_write_read_2004_compressed_section.dwg at main · HackC0der/CVE-Repos · GitHub

https://github.com/HackC0der/CVE-Repos/blob/main/libredwg/libredwg_6d6a339_heap_oob_write_read_2004_compressed_section.dwg

Vendor Advisories for CVE-2026-9605(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 10× in last 7d / 39× 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 107 total refreshes for this CVE.

  1. 2026-07-26 14:54 UTCEPSS rescore
  2. 2026-07-26 07:41 UTCEG score recompute
  3. 2026-07-26 07:41 UTCGHSA enrichment
  4. 2026-07-25 14:18 UTCEPSS rescore
  5. 2026-07-24 14:18 UTCEPSS rescore
  6. 2026-07-23 14:18 UTCEPSS rescore
  7. 2026-07-23 11:51 UTCNVD updateCVSS v4 → 5.5
  8. 2026-07-23 03:23 UTCEG score recompute
  9. 2026-07-22 14:08 UTCEPSS rescore
  10. 2026-07-20 17:08 UTCEPSS rescore
  11. 2026-07-19 14:31 UTCEPSS rescore
  12. 2026-07-19 05:52 UTCOSV refresh
  13. 2026-07-19 02:29 UTCEPSS rescore
  14. 2026-07-18 10:04 UTCEPSS rescore
  15. 2026-07-16 17:03 UTCEPSS rescore
  16. 2026-07-15 16:57 UTCEPSS rescore
  17. 2026-07-15 02:00 UTCEPSS rescore
  18. 2026-07-13 22:31 UTCEPSS rescore
  19. 2026-07-13 06:13 UTCEPSS rescore
  20. 2026-07-12 05:46 UTCEPSS rescore
  21. 2026-07-11 08:27 UTCEPSS rescore
  22. 2026-07-09 19:10 UTCEPSS rescore
  23. 2026-07-08 15:16 UTCEPSS rescore
  24. 2026-07-07 13:46 UTCEPSS rescore
  25. 2026-07-06 16:27 UTCEPSS rescore
Show 75 more
  1. 2026-07-06 02:23 UTCEPSS rescore
  2. 2026-07-05 02:31 UTCEPSS rescore
  3. 2026-07-04 06:31 UTCEPSS rescore
  4. 2026-07-01 15:07 UTCEPSS rescore
  5. 2026-07-01 12:00 UTCGHSA enrichment
  6. 2026-06-30 23:22 UTCEPSS rescore
  7. 2026-06-29 14:46 UTCGHSA enrichment
  8. 2026-06-29 14:06 UTCEPSS rescore
  9. 2026-06-28 22:32 UTCGHSA enrichment
  10. 2026-06-28 14:07 UTCEPSS rescore
  11. 2026-06-28 08:47 UTCGHSA enrichment
  12. 2026-06-28 04:56 UTCEPSS rescore
  13. 2026-06-27 19:53 UTCGHSA enrichment
  14. 2026-06-27 06:58 UTCGHSA enrichment
  15. 2026-06-27 03:08 UTCEPSS rescore
  16. 2026-06-26 17:28 UTCGHSA enrichment
  17. 2026-06-25 23:04 UTCGHSA enrichment
  18. 2026-06-25 13:50 UTCEPSS rescore
  19. 2026-06-25 09:47 UTCGHSA enrichment
  20. 2026-06-24 14:05 UTCEPSS rescore
  21. 2026-06-23 21:33 UTCEPSS rescore
  22. 2026-06-22 14:25 UTCEPSS rescore
  23. 2026-06-21 14:56 UTCEPSS rescore
  24. 2026-06-21 01:59 UTCEPSS rescore
  25. 2026-06-19 19:26 UTCEPSS rescore
  26. 2026-06-18 17:52 UTCEPSS rescore
  27. 2026-06-17 19:10 UTCGHSA enrichment
  28. 2026-06-17 17:53 UTCEPSS rescore
  29. 2026-06-17 05:34 UTCGHSA enrichment
  30. 2026-06-16 17:53 UTCEPSS rescore
  31. 2026-06-16 16:37 UTCGHSA enrichment
  32. 2026-06-16 03:39 UTCGHSA enrichment
  33. 2026-06-15 17:49 UTCEPSS rescore
  34. 2026-06-15 14:43 UTCGHSA enrichment
  35. 2026-06-15 01:48 UTCGHSA enrichment
  36. 2026-06-14 23:18 UTCEPSS rescore
  37. 2026-06-14 12:54 UTCGHSA enrichment
  38. 2026-06-13 23:58 UTCGHSA enrichment
  39. 2026-06-13 23:00 UTCEPSS rescore
  40. 2026-06-13 11:01 UTCGHSA enrichment
  41. 2026-06-12 23:12 UTCEPSS rescore
  42. 2026-06-12 23:12 UTCEPSS rescore
  43. 2026-06-12 22:04 UTCGHSA enrichment
  44. 2026-06-12 09:08 UTCGHSA enrichment
  45. 2026-06-11 20:13 UTCGHSA enrichment
  46. 2026-06-11 14:00 UTCEPSS rescore
  47. 2026-06-11 07:18 UTCGHSA enrichment
  48. 2026-06-10 22:19 UTCEPSS rescore
  49. 2026-06-10 18:24 UTCGHSA enrichment
  50. 2026-06-10 13:22 UTCEPSS rescore
  51. 2026-06-10 05:29 UTCGHSA enrichment
  52. 2026-06-09 16:34 UTCGHSA enrichment
  53. 2026-06-09 03:40 UTCGHSA enrichment
  54. 2026-06-08 14:45 UTCGHSA enrichment
  55. 2026-06-08 14:17 UTCEPSS rescore
  56. 2026-06-08 01:50 UTCGHSA enrichment
  57. 2026-06-07 15:25 UTCEPSS rescore
  58. 2026-06-07 12:55 UTCGHSA enrichment
  59. 2026-06-07 00:01 UTCGHSA enrichment
  60. 2026-06-06 13:47 UTCEPSS rescore
  61. 2026-06-06 11:06 UTCGHSA enrichment
  62. 2026-06-05 22:47 UTCEPSS rescore
  63. 2026-06-05 22:11 UTCGHSA enrichment
  64. 2026-06-05 09:16 UTCGHSA enrichment
  65. 2026-06-05 06:10 UTCEPSS rescore
  66. 2026-06-04 20:21 UTCGHSA enrichment
  67. 2026-06-04 13:12 UTCEPSS rescore
  68. 2026-06-04 07:26 UTCGHSA enrichment
  69. 2026-06-03 18:31 UTCGHSA enrichment
  70. 2026-06-03 05:36 UTCGHSA enrichment
  71. 2026-06-02 20:13 UTCEPSS rescore
  72. 2026-06-02 16:41 UTCGHSA enrichment
  73. 2026-06-02 03:46 UTCGHSA enrichment
  74. 2026-06-01 14:51 UTCGHSA enrichment
  75. 2026-06-01 13:52 UTCEPSS rescore

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-9605?
CVE-2026-9605 is a high vulnerability published on May 26, 2026. A flaw has been found in GNU libredwg up to 0.13.4.8160. This issue affects the function bitreadRC of the file bits.c of the component Dwgbmp Utility. This manipulation causes heap-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been published and may be…
When was CVE-2026-9605 disclosed?
CVE-2026-9605 was first published in the National Vulnerability Database on May 26, 2026, with the most recent update on July 24, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-9605 actively exploited?
CVE-2026-9605 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 73.6% of all scored CVEs.
What is the CVSS score of CVE-2026-9605?
CVE-2026-9605 has a CVSS v3 base score of 7.3 (NVD).
How do I remediate CVE-2026-9605?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-9605, 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.

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