Medium
Gnutls: null pointer dereference in _gnutls_figure_common_ciphersuite()
Type: advisorySources: OSV
A NULL pointer dereference flaw was found in the GnuTLS software in _gnutls_figure_common_ciphersuite().
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2025-6395
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 3 Nov 2026, 01:11 UTC · Revision 1
Source evidence
Gnutls: null pointer dereference in _gnutls_figure_common_ciphersuite()
core-osv · Original sourcePublished 10 Jul 2025, 15:20 UTC
A NULL pointer dereference flaw was found in the GnuTLS software in _gnutls_figure_common_ciphersuite().
osv:CVE-2025-6395
Complete source record
{
"id": "f47d02b5c3d5f6ea6e99f7771ad7b03aeb8b84b90414db505013b4795cfe3627",
"url": "https://osv.dev/vulnerability/CVE-2025-6395",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Gnutls: null pointer dereference in _gnutls_figure_common_ciphersuite()",
"summary": "A NULL pointer dereference flaw was found in the GnuTLS software in _gnutls_figure_common_ciphersuite().",
"evidence": "osv:CVE-2025-6395",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2025-6395",
"aliases": [
"CVE-2025-6395"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://gitlab.com/gnutls/gnutls",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "8a36455fd75ce76391cfc00c53213d8b0e1648da"
}
],
"database_specific": {
"extracted_events": [
{
"range": [
{
"introduced": "0"
},
{
"fixed": "3.8.10"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandardRange"
}
]
}
}
],
"versions": [
"3.8.9",
"3.8.8",
"3.8.7",
"3.8.6",
"3.8.5",
"3.8.4",
"3.8.3",
"3.8.2",
"3.8.1",
"3.8.0",
"3.7.8",
"3.7.7",
"3.7.5",
"3.7.4",
"3.7.3",
"3.7.2",
"3.7.1",
"3.7.0",
"3.6.14",
"3.6.13",
"gnutls_3_6_12",
"3.6.12",
"gnutls_3_6_11_1",
"gnutls_3_6_11",
"gnutls_3_6_10",
"gnutls_3_6_9",
"gnutls_3_6_7",
"gnutls_3_6_6",
"gnutls_3_6_5",
"gnutls_3_6_4",
"gnutls_3_6_3",
"gnutls_3_6_2",
"gnutls_3_6_1",
"gnutls_3_6_0_1",
"gnutls_3_6_0",
"gnutls_3_5_7",
"gnutls_3_5_5",
"gnutls_3_5_4",
"gnutls_3_5_3",
"gnutls_3_5_2",
"gnutls_3_5_1",
"gnutls_3_5_0",
"gnutls_3_4_3",
"gnutls_3_4_2",
"gnutls_3_4_1",
"gnutls_3_4_0",
"gnutls_3_3_6",
"gnutls_3_3_5",
"gnutls_3_3_4",
"gnutls_3_3_3",
"gnutls_3_3_2",
"gnutls_3_3_1",
"gnutls_3_3_0",
"gnutls_3_2_6",
"gnutls_3_2_5",
"gnutls_3_2_4",
"gnutls_3_2_3",
"gnutls_3_2_3pre0",
"gnutls_3_2_2",
"gnutls_3_2_0",
"gnutls_3_1_9",
"gnutls_3_1_8",
"gnutls_3_1_7",
"gnutls_3_1_6",
"gnutls_3_1_5",
"gnutls_3_1_4",
"gnutls_3_1_3",
"gnutls_3_1_2",
"gnutls_3_1_0",
"gnutls_3_1_0pre0",
"gnutls_3_0_21",
"gnutls_3_0_18",
"gnutls_3_0_17",
"gnutls_3_0_16",
"gnutls_3_0_15",
"gnutls_3_0_14",
"gnutls_3_0_13",
"gnutls-3_0_12",
"gnutls_3_0_11",
"gnutls_3_0_10",
"gnutls_3_0_9",
"gnutls_3_0_8",
"gnutls_3_0_7",
"gnutls_3_0_6",
"gnutls_3_0_5",
"gnutls_3_0_4",
"gnutls_3_0_3",
"gnutls_3_0_2",
"gnutls_3_0_0",
"gnutls_2_99_4",
"gnutls_2_99_3",
"gnutls_2_99_2",
"gnutls_2_99_1",
"gnutls_2_99_0",
"gnutls_2_11_6",
"gnutls_2_11_5",
"gnutls_2_11_4",
"gnutls_2_11_3",
"gnutls_2_9_10",
"gnutls_2_9_9",
"gnutls_2_9_8",
"gnutls_2_9_7",
"gnutls_2_9_6",
"gnutls_2_9_5",
"gnutls_2_9_4",
"gnutls_2_9_3",
"gnutls_2_9_2",
"gnutls_2_7_12",
"gnutls_2_7_11",
"gnutls_2_7_10",
"gnutls_2_7_9",
"gnutls_2_7_8",
"gnutls_2_7_7",
"gnutls_2_7_6",
"gnutls_2_7_5",
"gnutls_2_7_4",
"gnutls_2_7_3",
"gnutls_2_7_1",
"gnutls_2_7_0",
"gnutls_2_5_8",
"gnutls_2_5_7",
"gnutls_2_5_6",
"gnutls_2_5_4",
"gnutls_2_5_3",
"gnutls_2_5_2",
"gnutls_2_5_1",
"gnutls_2_5_0",
"gnutls_2_4_0",
"gnutls_2_3_15",
"gnutls_2_3_14",
"gnutls_2_3_13",
"gnutls_2_3_12",
"gnutls_2_3_11",
"gnutls_2_3_10",
"gnutls_2_3_9",
"gnutls_2_3_8",
"gnutls_2_3_7",
"gnutls_2_3_6",
"gnutls_2_3_5",
"gnutls_2_3_3",
"gnutls_2_3_1",
"gnutls_2_3_0",
"gnutls_2_1_8",
"gnutls_2_1_7",
"gnutls_2_1_6",
"gnutls_2_1_5",
"gnutls_2_1_4",
"gnutls_2_1_3",
"gnutls_2_1_2",
"gnutls_2_0_1",
"gnutls_2_1_1",
"gnutls_2_1_0",
"gnutls_2_0_0",
"gnutls_1_7_19",
"gnutls_1_7_18",
"gnutls_1_7_17",
"gnutls_1_7_16",
"gnutls_1_7_15",
"gnutls_1_7_14",
"gnutls_1_7_13",
"gnutls_1_7_12",
"gnutls_1_7_11",
"gnutls_1_7_10",
"gnutls_1_7_9",
"gnutls_1_7_8",
"gnutls_1_7_7",
"gnutls_1_7_6",
"gnutls_1_7_5",
"gnutls_1_7_4",
"gnutls_1_7_3",
"gnutls_1_7_2",
"gnutls_1_7_1",
"gnutls_1_6_1",
"gnutls_1_7_0",
"gnutls_1_6_0",
"gnutls_1_5_5",
"gnutls_1_5_4",
"gnutls_1_5_3",
"gnutls_1_5_2",
"gnutls_1_5_1",
"gnutls_1_5_0",
"gnutls_1_4_2",
"gnutls_1_4_1",
"gnutls_1_4_0",
"gnutls_1_2_11",
"gnutls_1_3_5",
"gnutls_1_3_4",
"gnutls_1_2_10",
"gnutls_1_3_3",
"gnutls_1_3_2",
"gnutls_1_3_1",
"gnutls_1_3_0",
"gnutls_1_2_9",
"gnutls_1_2_8",
"gnutls_1_2_7",
"gnutls_1_2_6",
"gnutls_1_2_5",
"gnutls_1_2_4",
"gnutls_1_2_3",
"gnutls_1_0_25",
"gnutls_1_2_2",
"gnutls_1_2_1",
"gnutls_1_2_0",
"gnutls_1_0_24",
"gnutls_1_1_23",
"gnutls_1_0_23",
"gnutls_1_1_22",
"gnutls_1_0_22",
"gnutls_1_1_21",
"gnutls_1_1_20",
"gnutls_1_1_19",
"gnutls_1_0_21",
"gnutls_1_1_18",
"gnutls_1_1_17",
"gnutls_1_0_20",
"gnutls_1_1_16",
"gnutls_1_1_15",
"gnutls_1_1_14",
"gnutls_1_1_13",
"gnutls_1_1_12",
"gnutls_1_1_11",
"gnutls_1_1_10",
"gnutls_1_1_9",
"gnutls_1_1_8",
"gnutls_1_1_7",
"gnutls_1_1_7_pre0",
"gnutls_1_1_6",
"gnutls_1_1_5",
"gnutls_1_1_4",
"gnutls_1_1_3",
"gnutls_1_1_2",
"gnutls_1_1_1",
"gnutls_1_1_0",
"gnutls_1_0_0",
"gnutls_0_9_99",
"gnutls_0_9_98",
"gnutls_0_9_97",
"gnutls_0_9_96",
"gnutls_0_9_95",
"gnutls_0_9_94",
"gnutls_0_9_93",
"gnutls_0_9_92",
"gnutls_0_9_91",
"gnutls_0_9_90",
"gnutls_0_9_8",
"gnutls_0_9_7",
"gnutls_0_9_6",
"gnutls_0_9_5",
"gnutls_0_9_4",
"gnutls_0_9_3",
"gnutls_0_9_2",
"gnutls_0_9_1",
"gnutls_0_8_1",
"gnutls_0_8_0",
"gnutls_0_6_0",
"gnutls_0_5_11",
"gnutls_0_5_10",
"gnutls_0_5_x_before_int_fixes",
"gnutls_0_5_9",
"gnutls_0_5_8",
"gnutls_0_5_7",
"gnutls_0_5_6",
"gnutls_0_5_5",
"gnutls_0_5_x_before_types_change",
"gnutls_0_5_4",
"gnutls_0_5_x_with_export_ciphersuites",
"gnutls_0_5_x_before_export_ciphersuites",
"gnutls_0_5_1",
"gnutls_0_5_0",
"gnutls_0_4_with_libtasn1",
"gnutls_0_4_3",
"gnutls_0_4_2",
"gnutls_0_4_1",
"gnutls_0_4_0",
"gnutls_0_3_92",
"gnutls_0_3_91",
"gnutls_0_3_90",
"gnutls_0_3_2",
"gnutls_0_3_1",
"gnutls_0_3_0",
"gnutls_0_2_91",
"gnutls_0_2_90",
"gnutls_0_2_11",
"gnutls_0_2_10",
"gnutls_0_2_9",
"gnutls_0_2_4",
"gnutls_0_2_3",
"gnutls_0_2_2",
"gnutls_0_2_1",
"gnutls_0_2_0",
"gnutls_0_1_9",
"gnutls_0_1_4",
"gnutls-0_1_2",
"gnutls-0-1-0-srp",
"gnutls-0-0-7",
"gnutls0-0-6",
"gnutls0-0-5",
"gnutls0-0-4"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-6395.json"
}
}
],
"modified": "2026-10-28T02:30:25.036683466Z",
"provider": "osv",
"references": [
"https://access.redhat.com/downloads/content/package-browser/",
"https://catalog.redhat.com/software/containers/",
"https://cert-portal.siemens.com/productcert/html/ssa-082556.html",
"https://lists.debian.org/debian-lts-announce/2025/08/msg00005.html",
"https://lists.gnupg.org/pipermail/gnutls-help/2025-July/004883.html",
"https://www.gnutls.org/",
"https://access.redhat.com/errata/RHSA-2025:16115",
"https://access.redhat.com/errata/RHSA-2025:16116",
"https://access.redhat.com/errata/RHSA-2025:17181",
"https://access.redhat.com/errata/RHSA-2025:17348",
"https://access.redhat.com/errata/RHSA-2025:17361",
"https://access.redhat.com/errata/RHSA-2025:17415",
"https://access.redhat.com/errata/RHSA-2025:19088",
"https://access.redhat.com/errata/RHSA-2025:22529",
"https://access.redhat.com/security/cve/CVE-2025-6395",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/6xxx/CVE-2025-6395.json",
"https://nvd.nist.gov/vuln/detail/CVE-2025-6395",
"https://bugzilla.redhat.com/show_bug.cgi?id=2376755",
"https://gitlab.com/gnutls/gnutls/-/issues/1718"
],
"provider_metadata": {
"cwe_ids": [
"CWE-476"
],
"cna_assigner": "redhat",
"unresolved_ranges": [
{
"extracted_events": [
{
"range": [
{
"fixed": "0:3.8.9-9.el10_0.14"
},
{
"fixed": "0:3.6.16-8.el8_10.4"
},
{
"fixed": "0:3.6.16-8.el8_10.4"
},
{
"fixed": "0:3.8.3-6.el9_6.2"
},
{
"fixed": "0:3.8.3-6.el9_6.2"
},
{
"fixed": "0:3.7.6-21.el9_2.4"
},
{
"fixed": "0:3.8.3-4.el9_4.4"
},
{
"fixed": "7"
},
{
"fixed": "2.3.0-1760554384"
},
{
"fixed": "1.5.7-1759331989"
}
],
"source": "AFFECTED_FIELD",
"strategy": "InverseAffectedRanges"
}
]
}
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/6xxx/CVE-2025-6395.json"
}
},
"related_cves": [
{
"value": "CVE-2025-6395",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 491450,
"published_at": "2025-07-10T15:20:46.031+00:00"
}