High
Security advisory
In Wireshark 2.6.0 to 2.6.1, 2.4.0 to 2.4.7, and 2.2.0 to 2.2.15, the ASN.1 BER dissector could crash. This was addressed in epan/dissectors/packet-ber.c by ensuring that length values do not exceed the maximum signed integer.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2018-14343
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 05:31 UTC · Revision 1
Source evidence
In Wireshark 2.6.0 to 2.6.1, 2.4.0 to 2.4.7, and 2.2.0 to 2.2.15, the ASN.1 BER dissector could crash. This was addressed in epan/dissectors/packet-ber.c by ensuring that length values do not exceed the maximum signed integer.
osv:CVE-2018-14343
Complete source record
{
"id": "86aede7825d41af0a6be4f30bf1168c341b4ec81887b2927159d282aa52db3a3",
"url": "https://osv.dev/vulnerability/CVE-2018-14343",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2018-14343",
"summary": "In Wireshark 2.6.0 to 2.6.1, 2.4.0 to 2.4.7, and 2.2.0 to 2.2.15, the ASN.1 BER dissector could crash. This was addressed in epan/dissectors/packet-ber.c by ensuring that length values do not exceed the maximum signed integer.",
"evidence": "osv:CVE-2018-14343",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2018-14343",
"aliases": [
"CVE-2018-14343"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/wireshark/wireshark",
"type": "GIT",
"events": [
{
"introduced": "5368c50be46d4a44986d12bdfc0a35b42c0f34fc"
},
{
"last_affected": "c43eaa1b7be098dad15ffb33f987be5a907b88bd"
},
{
"introduced": "9be0fa500da594ed01baf3214642838d22811c90"
},
{
"last_affected": "6b4493c3dc79478a556cb6b44fda2134a76d07f1"
},
{
"introduced": "c7239f0201292253817c7c4c9a394a47113ca55c"
},
{
"last_affected": "860a78b3c701b8e318e490ed46e847e3c4b4cab7"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "2.2.0"
},
{
"last_affected": "2.2.15"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "2.4.0"
},
{
"last_affected": "2.4.7"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "2.6.0"
},
{
"last_affected": "2.6.1"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"wireshark-2.2.15",
"v2.2.15",
"wireshark-2.4.7",
"v2.4.7",
"wireshark-2.6.1",
"v2.6.1",
"v2.6.1rc0",
"wireshark-2.6.0",
"v2.6.0",
"v2.2.15rc0",
"v2.4.7rc0",
"wireshark-2.2.14",
"v2.2.14",
"wireshark-2.4.6",
"v2.4.6",
"v2.2.14rc0",
"v2.4.6rc0",
"wireshark-2.2.13",
"v2.2.13",
"wireshark-2.4.5",
"v2.4.5",
"v2.2.13rc0",
"v2.4.5rc0",
"wireshark-2.2.12",
"v2.2.12",
"wireshark-2.4.4",
"v2.4.4",
"v2.2.12rc0",
"v2.4.4rc0",
"wireshark-2.2.11",
"v2.2.11",
"wireshark-2.4.3",
"v2.4.3",
"v2.2.11rc0",
"v2.4.3rc0",
"wireshark-2.2.10",
"v2.2.10",
"wireshark-2.4.2",
"v2.4.2",
"v2.4.2rc0",
"v2.2.10rc0",
"wireshark-2.2.9",
"v2.2.9",
"wireshark-2.4.1",
"v2.4.1",
"v2.4.1rc0",
"v2.2.9rc0",
"wireshark-2.4.0",
"v2.4.0",
"wireshark-2.2.8",
"v2.2.8",
"v2.2.8rc0",
"wireshark-2.2.7",
"v2.2.7",
"v2.2.7rc0",
"wireshark-2.2.6",
"v2.2.6",
"v2.2.6rc0",
"wireshark-2.2.5",
"v2.2.5",
"v2.2.5rc0",
"wireshark-2.2.4",
"v2.2.4",
"v2.2.4rc0",
"wireshark-2.2.3",
"v2.2.3",
"v2.2.3rc0",
"wireshark-2.2.2",
"v2.2.2",
"v2.2.2rc0",
"wireshark-2.2.1",
"v2.2.1",
"v2.2.1rc0",
"2.2.1rc0",
"wireshark-2.2.0",
"v2.2.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-14343.json"
}
},
{
"ranges": [
{
"repo": "https://gitlab.com/wireshark/wireshark",
"type": "GIT",
"events": [
{
"introduced": "5368c50be46d4a44986d12bdfc0a35b42c0f34fc"
},
{
"last_affected": "c43eaa1b7be098dad15ffb33f987be5a907b88bd"
},
{
"introduced": "9be0fa500da594ed01baf3214642838d22811c90"
},
{
"last_affected": "6b4493c3dc79478a556cb6b44fda2134a76d07f1"
},
{
"introduced": "c7239f0201292253817c7c4c9a394a47113ca55c"
},
{
"last_affected": "860a78b3c701b8e318e490ed46e847e3c4b4cab7"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "2.2.0"
},
{
"last_affected": "2.2.15"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "2.4.0"
},
{
"last_affected": "2.4.7"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "2.6.0"
},
{
"last_affected": "2.6.1"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"wireshark-2.2.15",
"v2.2.15",
"wireshark-2.4.7",
"v2.4.7",
"wireshark-2.6.1",
"v2.6.1",
"v2.6.1rc0",
"wireshark-2.6.0",
"v2.6.0",
"v2.2.15rc0",
"v2.4.7rc0",
"wireshark-2.2.14",
"v2.2.14",
"wireshark-2.4.6",
"v2.4.6",
"v2.2.14rc0",
"v2.4.6rc0",
"wireshark-2.2.13",
"v2.2.13",
"wireshark-2.4.5",
"v2.4.5",
"v2.2.13rc0",
"v2.4.5rc0",
"wireshark-2.2.12",
"v2.2.12",
"wireshark-2.4.4",
"v2.4.4",
"v2.2.12rc0",
"v2.4.4rc0",
"wireshark-2.2.11",
"v2.2.11",
"wireshark-2.4.3",
"v2.4.3",
"v2.2.11rc0",
"v2.4.3rc0",
"wireshark-2.2.10",
"v2.2.10",
"wireshark-2.4.2",
"v2.4.2",
"v2.4.2rc0",
"v2.2.10rc0",
"wireshark-2.2.9",
"v2.2.9",
"wireshark-2.4.1",
"v2.4.1",
"v2.4.1rc0",
"v2.2.9rc0",
"wireshark-2.4.0",
"v2.4.0",
"wireshark-2.2.8",
"v2.2.8",
"v2.2.8rc0",
"wireshark-2.2.7",
"v2.2.7",
"v2.2.7rc0",
"wireshark-2.2.6",
"v2.2.6",
"v2.2.6rc0",
"wireshark-2.2.5",
"v2.2.5",
"v2.2.5rc0",
"wireshark-2.2.4",
"v2.2.4",
"v2.2.4rc0",
"wireshark-2.2.3",
"v2.2.3",
"v2.2.3rc0",
"wireshark-2.2.2",
"v2.2.2",
"v2.2.2rc0",
"wireshark-2.2.1",
"v2.2.1",
"v2.2.1rc0",
"2.2.1rc0",
"wireshark-2.2.0",
"v2.2.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-14343.json"
}
}
],
"modified": "2026-10-24T10:30:29.875501121Z",
"provider": "osv",
"references": [
"https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=9402f2f80c6bc7d25178a0875c5a1f5ee36361db",
"https://lists.debian.org/debian-lts-announce/2018/07/msg00045.html",
"https://www.wireshark.org/security/wnpa-sec-2018-37.html",
"https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14682"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*"
],
"vendor_product": "debian:debian_linux",
"extracted_events": [
{
"range": [
{
"introduced": "8.0"
},
{
"last_affected": "8.0"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2018-14343",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 432438,
"published_at": "2018-07-19T02:29:00.437+00:00"
}