CVE-2026-35058

MEDIUMNVD 6.56.5—
EchelonGraph scoreMEDIUM confidence

Score 6.5 from GitHub Security Advisory published 2026-06-08. NVD baseline CVSS 6.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
6.5EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0.6%CVSS: 6.5Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

Improper validation of packet length during tls-crypt-v2 key extraction in OpenVPN 2.6.0 through 2.6.19 and 2.7_alpha1 through 2.7.1 allows authenticated attackers to trigger a fatal assertion and cause a denial of service via a specially crafted packet.

CVSS v3
6.5
EG Score
6.5MEDIUMmedium confidence
EG Risk
29
EG Risk 29/100

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
Severity65% × 45%
Exploitation1% × 40%
Automatability0% × 15%
EPSS PROB
0.6%
EPSS %ILE
47th
KEV
Not listed

Published

June 8, 2026

Last Modified

August 11, 2026

Advisory Details (1)

Auto-updated Jun 12, 2026
🔬 Proof of concept available. Patch available.
generic🟡 PoC Available

TALOS-2026-2381 || Cisco Talos Intelligence Group - Comprehensive Threat Intelligence

https://www.talosintelligence.com/vulnerability_reports/TALOS-2026-2381

Vendor Advisories for CVE-2026-35058(1)

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

Patch Availability(1)

Vendor / EcosystemFix (by version range) / PatchReleasedSource
ubuntuopenvpn (2.5.11-0ubuntu0.22.04.3) @ jammy2026-09-14ubuntu

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(9 across 9 ecosystems)
Alpine:v3.20(1)
PackageVulnerable rangeFix by version rangeDependents
openvpn—
  • 2.6.0 up to 2.6.20-r0: fixed in 2.6.20-r0
—
Alpine:v3.21(1)
PackageVulnerable rangeFix by version rangeDependents
openvpn—
  • 2.6.0 up to 2.6.20-r0: fixed in 2.6.20-r0
—
Alpine:v3.22(1)
PackageVulnerable rangeFix by version rangeDependents
openvpn—
  • 2.6.0 up to 2.6.20-r0: fixed in 2.6.20-r0
—
Alpine:v3.23(1)
PackageVulnerable rangeFix by version rangeDependents
openvpn—
  • 2.6.0 up to 2.6.20-r0: fixed in 2.6.20-r0
—
Alpine:v3.24(1)
PackageVulnerable rangeFix by version rangeDependents
openvpn—
  • 2.6.0 up to 2.6.20-r0: fixed in 2.6.20-r0
—
Debian:11(1)
PackageVulnerable rangeFix by version rangeDependents
openvpn2.5.1-3, 2.5.1-3+deb11u1, 2.5.1-3+deb11u2
  • every version up to 2.5.1-3+deb11u3: fixed in 2.5.1-3+deb11u3
—
Debian:12(1)
PackageVulnerable rangeFix by version rangeDependents
openvpn2.6.11-1 ... 2.6.9-1 (14 versions)
  • every version up to 2.6.14-0+deb12u1: fixed in 2.6.14-0+deb12u1
—
Debian:13(1)
PackageVulnerable rangeFix by version rangeDependents
openvpn2.6.14-1, 2.6.14-1+deb13u1
  • every version up to 2.6.14-1+deb13u2: fixed in 2.6.14-1+deb13u2
—
Debian:14(1)
PackageVulnerable rangeFix by version rangeDependents
openvpn2.6.14-1 ... 2.7.2-1~bpo13+1 (21 versions)
  • every version up to 2.7.2-1: fixed in 2.7.2-1
—

Weakness Classification(1)

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

All Vendor Advisories

(1)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 7× in last 7d / 29× 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 278 total refreshes for this CVE.

  1. 2026-10-10 20:00 UTCEPSS rescore
  2. 2026-10-09 20:07 UTCEPSS rescore
  3. 2026-10-08 17:12 UTCEPSS rescore
  4. 2026-10-07 23:47 UTCEPSS rescore
  5. 2026-10-06 15:17 UTCEPSS rescore
  6. 2026-10-05 17:42 UTCEPSS rescore
  7. 2026-10-04 23:22 UTCEPSS rescore
  8. 2026-10-03 14:25 UTCEPSS rescore
  9. 2026-10-03 10:09 UTCOSV refresh
  10. 2026-10-01 19:49 UTCEPSS rescore
  11. 2026-09-30 15:03 UTCEPSS rescore
  12. 2026-09-28 13:51 UTCEPSS rescore
  13. 2026-09-27 13:48 UTCEPSS rescore
  14. 2026-09-26 15:58 UTCEPSS rescore
  15. 2026-09-26 00:26 UTCEPSS rescore
  16. 2026-09-20 20:15 UTCEPSS rescore
  17. 2026-09-18 19:28 UTCEPSS rescore
  18. 2026-09-18 19:28 UTCEPSS rescore
  19. 2026-09-17 19:30 UTCEPSS rescore
  20. 2026-09-16 14:08 UTCEPSS rescore
  21. 2026-09-16 05:15 UTCEPSS rescore
  22. 2026-09-15 03:11 UTCEPSS rescore
  23. 2026-09-14 04:48 UTCEG score recompute
  24. 2026-09-14 04:48 UTCVendor advisory
  25. 2026-09-14 04:48 UTCGHSA enrichment
Show 75 more
  1. 2026-09-13 16:47 UTCEPSS rescore
  2. 2026-09-12 15:01 UTCEPSS rescore
  3. 2026-09-11 14:53 UTCEPSS rescore
  4. 2026-09-11 09:37 UTCEPSS rescore
  5. 2026-09-10 09:34 UTCEPSS rescore
  6. 2026-09-08 22:00 UTCEPSS rescore
  7. 2026-09-07 16:01 UTCEPSS rescore
  8. 2026-09-06 13:47 UTCEPSS rescore
  9. 2026-09-04 05:06 UTCEPSS rescore
  10. 2026-09-02 14:12 UTCEPSS rescore
  11. 2026-09-01 13:53 UTCEPSS rescore
  12. 2026-09-01 04:39 UTCEPSS rescore
  13. 2026-08-31 01:36 UTCEG score recompute
  14. 2026-08-31 01:36 UTCVendor advisory
  15. 2026-08-31 01:36 UTCGHSA enrichment
  16. 2026-08-30 19:17 UTCEPSS rescore
  17. 2026-08-30 01:22 UTCEPSS rescore
  18. 2026-08-28 21:41 UTCEPSS rescore
  19. 2026-08-27 14:25 UTCEPSS rescore
  20. 2026-08-26 14:46 UTCEPSS rescore
  21. 2026-08-25 13:49 UTCEPSS rescore
  22. 2026-08-25 01:14 UTCEG score recompute
  23. 2026-08-25 01:14 UTCVendor advisory
  24. 2026-08-25 01:14 UTCGHSA enrichment
  25. 2026-08-23 11:41 UTCEG score recompute
  26. 2026-08-23 11:41 UTCVendor advisory
  27. 2026-08-23 11:41 UTCGHSA enrichment
  28. 2026-08-23 00:19 UTCEPSS rescore
  29. 2026-08-21 23:49 UTCEPSS rescore
  30. 2026-08-21 07:27 UTCEG score recompute
  31. 2026-08-21 07:27 UTCVendor advisory
  32. 2026-08-21 07:27 UTCGHSA enrichment
  33. 2026-08-20 22:55 UTCEPSS rescore
  34. 2026-08-20 09:27 UTCEG score recompute
  35. 2026-08-20 09:27 UTCVendor advisory
  36. 2026-08-20 09:27 UTCGHSA enrichment
  37. 2026-08-19 17:03 UTCEPSS rescore
  38. 2026-08-18 13:48 UTCEPSS rescore
  39. 2026-08-17 13:47 UTCEPSS rescore
  40. 2026-08-17 01:45 UTCEG score recompute
  41. 2026-08-17 01:45 UTCVendor advisory
  42. 2026-08-17 01:45 UTCGHSA enrichment
  43. 2026-08-16 14:56 UTCEPSS rescore
  44. 2026-08-16 02:14 UTCEPSS rescore
  45. 2026-08-16 01:44 UTCVendor advisory
  46. 2026-08-16 01:44 UTCGHSA enrichment
  47. 2026-08-15 04:02 UTCEG score recompute
  48. 2026-08-15 04:02 UTCVendor advisory
  49. 2026-08-15 04:02 UTCGHSA enrichment
  50. 2026-08-15 01:30 UTCEPSS rescore
  51. 2026-08-14 06:22 UTCEG score recompute
  52. 2026-08-14 06:22 UTCVendor advisory
  53. 2026-08-14 06:22 UTCGHSA enrichment
  54. 2026-08-13 22:00 UTCEPSS rescore
  55. 2026-08-13 08:42 UTCEG score recompute
  56. 2026-08-13 08:42 UTCVendor advisory
  57. 2026-08-13 08:42 UTCGHSA enrichment
  58. 2026-08-12 13:50 UTCEPSS rescore
  59. 2026-08-12 11:03 UTCEG score recompute
  60. 2026-08-12 11:03 UTCVendor advisory
  61. 2026-08-12 11:03 UTCGHSA enrichment
  62. 2026-08-11 13:13 UTCEG score recompute▼ 0.40
  63. 2026-08-11 13:13 UTCVendor advisory
  64. 2026-08-11 13:13 UTCGHSA enrichment
  65. 2026-08-11 13:13 UTCNVD updateCVSS v3 → 6.5
  66. 2026-08-11 06:14 UTCEG score recompute
  67. 2026-08-11 06:14 UTCVendor advisory
  68. 2026-08-11 06:14 UTCGHSA enrichment
  69. 2026-08-11 00:00 UTCEPSS rescore
  70. 2026-08-10 08:35 UTCEG score recompute
  71. 2026-08-10 08:35 UTCVendor advisory
  72. 2026-08-10 08:35 UTCGHSA enrichment
  73. 2026-08-09 13:46 UTCEPSS rescore
  74. 2026-08-09 10:56 UTCEG score recompute
  75. 2026-08-09 10:56 UTCVendor advisory

Frequently asked(5)

What is CVE-2026-35058?
CVE-2026-35058 is a medium vulnerability published on June 8, 2026. Improper validation of packet length during tls-crypt-v2 key extraction in OpenVPN 2.6.0 through 2.6.19 and 2.7_alpha1 through 2.7.1 allows authenticated attackers to trigger a fatal assertion and cause a denial of service via a specially crafted packet.
When was CVE-2026-35058 disclosed?
CVE-2026-35058 was first published on June 8, 2026, with the most recent update on August 11, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-35058 actively exploited?
CVE-2026-35058 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.6% probability of exploitation in the next 30 days (47th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-35058?
CVE-2026-35058 has a CVSS v3 base score of 6.5 (NVD).
How do I remediate CVE-2026-35058?
A fix for CVE-2026-35058 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-35058 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-35058

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