CVE-2025-6395

MEDIUMPre-NVD 6.56.5—
EchelonGraph scoreMEDIUM confidence

Score 6.5 from GitHub Security Advisory published 2025-07-10. a secondary CVSS source baseline 6.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this week
6.5EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 6.5Exploit: None knownExposed: 0

A fix is available — apply it.

A NULL pointer dereference flaw was found in the GnuTLS software in _gnutls_figure_common_ciphersuite().

CVSS v3
6.5
EG Score
6.5(medium)
EG Risk
30(Track)
EG Risk 30/100SSVC: 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
Severity65% × 45%
Exploitation1% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
49%
KEV
Not listed

Published

July 10, 2025

Last Modified

September 1, 2026

Advisory Details (10)

Auto-updated Jun 25, 2026
Patch available. Sources: redhat.
redhat Patch Available

2376755 – (CVE-2025-6395) CVE-2025-6395 gnutls: NULL pointer dereference in _gnutls_figure_common_ciphersuite()

Affected: Red Hat Enterprise Linux 10

https://bugzilla.redhat.com/show_bug.cgi?id=2376755
redhat Patch Available

cve-details

https://access.redhat.com/security/cve/CVE-2025-6395
redhat Patch Available
https://access.redhat.com/errata/RHSA-2025:22529
redhat Patch Available
https://access.redhat.com/errata/RHSA-2025:19088
redhat Patch Available

Affected: Red Hat Enterprise Linux 8.

https://access.redhat.com/errata/RHSA-2025:17415
redhat Patch Available

Affected: Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions.

https://access.redhat.com/errata/RHSA-2025:17361
redhat Patch Available

Affected: Red Hat Enterprise Linux 9.4 Extended Update Support.

https://access.redhat.com/errata/RHSA-2025:17348
redhat Patch Available
https://access.redhat.com/errata/RHSA-2025:17181
redhat Patch Available

Affected: Red Hat Enterprise Linux 9.

https://access.redhat.com/errata/RHSA-2025:16116
redhat Patch Available

Affected: Red Hat Enterprise Linux 10.

https://access.redhat.com/errata/RHSA-2025:16115

Vendor Advisories for CVE-2025-6395(5)

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

Patch Availability(10)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulibgnutls30t64 (3.8.3-1.1ubuntu3.4) @ noble2026-08-21ubuntu
ubuntulibgnutlsxx28 (3.4.10-4ubuntu1.9+esm2) @ xenial2026-08-21ubuntu
redhatrhceph/rhceph-7-rhel9:72025-12-01redhat
redhatdiscovery/discovery-ui-rhel9:2.3.0-17605543842025-10-23redhat
redhatgnutls-0:3.6.16-8.el8_10.42025-10-07redhat
redhatgnutls-0:3.7.6-21.el9_2.42025-10-06redhat
redhatgnutls-0:3.8.3-4.el9_4.42025-10-06redhat
redhatinsights-proxy/insights-proxy-container-rhel9:1.5.7-17593319892025-10-01redhat
redhatgnutls-0:3.8.3-6.el9_6.22025-09-17redhat
redhatgnutls-0:3.8.9-9.el10_0.142025-09-17redhat

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 rangeFixed inDependents
gnutls—3.8.12-r0—
Alpine:v3.21(1)
PackageVulnerable rangeFixed inDependents
gnutls—3.8.12-r0—
Alpine:v3.22(1)
PackageVulnerable rangeFixed inDependents
gnutls—3.8.12-r0—
Alpine:v3.23(1)
PackageVulnerable rangeFixed inDependents
gnutls—3.8.11-r0—
Alpine:v3.24(1)
PackageVulnerable rangeFixed inDependents
gnutls—3.8.11-r0—
Debian:11(1)
PackageVulnerable rangeFixed inDependents
gnutls283.7.1-5 ... 3.7.1-5+deb11u7 (8 versions)3.7.1-5+deb11u8—
Debian:12(1)
PackageVulnerable rangeFixed inDependents
gnutls283.7.9-2, 3.7.9-2+deb12u1, 3.7.9-2+deb12u2, 3.7.9-2+deb12u3, 3.7.9-2+deb12u43.7.9-2+deb12u5—
Debian:13(1)
PackageVulnerable rangeFixed inDependents
gnutls28—3.8.9-3—
Debian:14(1)
PackageVulnerable rangeFixed inDependents
gnutls28—3.8.9-3—

Weakness Classification(1)

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

Additional Vendor Advisories

(6)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 16× in last 7d / 45× 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 178 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2025-6395?
CVE-2025-6395 is a medium vulnerability published on July 10, 2025. A NULL pointer dereference flaw was found in the GnuTLS software in gnutlsfigurecommonciphersuite().
When was CVE-2025-6395 disclosed?
CVE-2025-6395 was first published in the National Vulnerability Database on July 10, 2025, with the most recent update on September 1, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-6395 actively exploited?
CVE-2025-6395 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 51.2% of all scored CVEs.
What is the CVSS score of CVE-2025-6395?
CVE-2025-6395 has a CVSS v3 base score of 6.5 (NVD).
How do I remediate CVE-2025-6395?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-6395, 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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