CVE-2026-58303

MEDIUMPre-NVD 6.16.1—
EchelonGraph scoreMEDIUM confidence

Score 6.1 from GitHub Security Advisory published 2026-07-09. a secondary CVSS source baseline 6.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
6.1EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 6.1Exploit: None knownExposed: 0

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

Stack-based buffer overflow vulnerability in Samsung Open Source Escargot allows Overflow Buffers.

This issue affects Escargot: before b30b63fc63b403907d8137da1c65aaa4521fe74e.

CVSS v3
6.1
EG Score
6.1(medium)
EG Risk
28(Track)
EG Risk 28/100SSVC: 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
Severity61% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
6%
KEV
Not listed

Published

July 9, 2026

Last Modified

July 9, 2026

Advisory Details (2)

Auto-updated Jul 9, 2026
Upstream fix merged — awaiting tagged release. Sources: github_pr.
github_pr

Work74

Fix merged in Samsung/escargot PR #1585 on 2026-06-16 — awaiting tagged release

https://github.com/Samsung/escargot/pull/1585
generic

Various reports · Issue #1571 · Samsung/escargot · GitHub

https://github.com/Samsung/escargot/issues/1571

Vendor Advisories for CVE-2026-58303(1)

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

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 16× in last 7d / 82× 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 130 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-58303?
CVE-2026-58303 is a medium vulnerability published on July 9, 2026. Stack-based buffer overflow vulnerability in Samsung Open Source Escargot allows Overflow Buffers. This issue affects Escargot: before b30b63fc63b403907d8137da1c65aaa4521fe74e.
When was CVE-2026-58303 disclosed?
CVE-2026-58303 was first published in the National Vulnerability Database on July 9, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-58303 actively exploited?
CVE-2026-58303 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 94.2% of all scored CVEs.
What is the CVSS score of CVE-2026-58303?
CVE-2026-58303 has a CVSS v3 base score of 6.1 (NVD).
How do I remediate CVE-2026-58303?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-58303, 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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