High
sleuthkit — security advisory
An issue was discovered in libtskbase.a in The Sleuth Kit (TSK) from release 4.0.2 through to 4.6.1. An out-of-bounds read of a memory region was found in the function tsk_UTF16toUTF8 in tsk/base/tsk_unicode.c which could be leveraged by an attacker to disclose information or manipulated to read from unmapped memory causing a denial of service attack.
- Products
- sleuthkit
- Affected versions
- 3.2.3-2.1, 3.2.3-2.2, 3.2.3-2.2ubuntu0.1~esm1, 3.2.3-2ubuntu1, 3.2.3-2ubuntu2, 4.1.3-11ubuntu2, 4.1.3-12ubuntu1, 4.10.1+dfsg-1, 4.11.0+dfsg-1, 4.11.1+dfsg-1, 4.12.0+dfsg-1, 4.12.1+dfsg-1, 4.12.1+dfsg-1.1ubuntu1, 4.12.1+dfsg-1.1ubuntu2, 4.12.1+dfsg-3, 4.12.1+dfsg-3build1, 4.14.0+dfsg-1, 4.2.0-3, 4.2.0-3ubuntu0.1~esm1, 4.4.2-1, 4.4.2-3, 4.6.5-1, 4.6.7-1, 4.6.7-1build1
- Fixed versions
- Not specified
- CVEs
- CVE-2018-11740
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 00:25 UTC · Revision 1
Source evidence
An issue was discovered in libtskbase.a in The Sleuth Kit (TSK) from release 4.0.2 through to 4.6.1. An out-of-bounds read of a memory region was found in the function tsk_UTF16toUTF8 in tsk/base/tsk_unicode.c which could be leveraged by an attacker to disclose information or manipulated to read from unmapped memory causing a denial of service attack.
osv:UBUNTU-CVE-2018-11740
sleuthkit
Fixed versions: Not specified
sleuthkit
Fixed versions: Not specified
sleuthkit
Fixed versions: Not specified
sleuthkit
Fixed versions: Not specified
sleuthkit
Fixed versions: Not specified
sleuthkit
Fixed versions: Not specified
sleuthkit
Fixed versions: Not specified
sleuthkit
Fixed versions: Not specified
sleuthkit
Fixed versions: Not specified
Complete source record
{
"id": "b593771d100c9807e3a4fadb46573b878a392cc3de03077537b781a9c8002a05",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2018-11740",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2018-11740",
"summary": "An issue was discovered in libtskbase.a in The Sleuth Kit (TSK) from release 4.0.2 through to 4.6.1. An out-of-bounds read of a memory region was found in the function tsk_UTF16toUTF8 in tsk/base/tsk_unicode.c which could be leveraged by an attacker to disclose information or manipulated to read from unmapped memory causing a denial of service attack.",
"evidence": "osv:UBUNTU-CVE-2018-11740",
"products": [
{
"name": {
"value": "sleuthkit",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "3.2.3-2ubuntu1",
"evidence": "/affected/0/versions"
},
{
"value": "3.2.3-2ubuntu2",
"evidence": "/affected/0/versions"
},
{
"value": "3.2.3-2.1",
"evidence": "/affected/0/versions"
},
{
"value": "3.2.3-2.2",
"evidence": "/affected/0/versions"
},
{
"value": "3.2.3-2.2ubuntu0.1~esm1",
"evidence": "/affected/0/versions"
}
]
},
{
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{
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"evidence": "/affected/1/versions"
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{
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"evidence": "/affected/1/versions"
},
{
"value": "4.2.0-3",
"evidence": "/affected/1/versions"
},
{
"value": "4.2.0-3ubuntu0.1~esm1",
"evidence": "/affected/1/versions"
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{
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},
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"affected_versions": [
{
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"evidence": "/affected/2/versions"
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{
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"evidence": "/affected/2/versions"
}
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{
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"affected_versions": [
{
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"evidence": "/affected/3/versions"
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{
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{
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"evidence": "/affected/3/versions"
}
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},
{
"name": {
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"evidence": "/affected/4/package/name"
},
"prerequisites": [],
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"affected_versions": [
{
"value": "4.10.1+dfsg-1",
"evidence": "/affected/4/versions"
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{
"value": "4.11.0+dfsg-1",
"evidence": "/affected/4/versions"
},
{
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"evidence": "/affected/4/versions"
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},
{
"name": {
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},
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{
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"evidence": "/affected/5/versions"
},
{
"value": "4.12.1+dfsg-1",
"evidence": "/affected/5/versions"
},
{
"value": "4.12.1+dfsg-1.1ubuntu1",
"evidence": "/affected/5/versions"
},
{
"value": "4.12.1+dfsg-1.1ubuntu2",
"evidence": "/affected/5/versions"
}
]
},
{
"name": {
"value": "sleuthkit",
"evidence": "/affected/6/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "4.12.1+dfsg-1.1ubuntu2",
"evidence": "/affected/6/versions"
},
{
"value": "4.12.1+dfsg-3",
"evidence": "/affected/6/versions"
}
]
},
{
"name": {
"value": "sleuthkit",
"evidence": "/affected/7/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "4.12.1+dfsg-3build1",
"evidence": "/affected/7/versions"
},
{
"value": "4.14.0+dfsg-1",
"evidence": "/affected/7/versions"
}
]
},
{
"name": {
"value": "sleuthkit",
"evidence": "/affected/8/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
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"evidence": "/affected/8/versions"
},
{
"value": "4.12.1+dfsg-3build1",
"evidence": "/affected/8/versions"
}
]
}
],
"severity": "high",
"structured": {
"id": "UBUNTU-CVE-2018-11740",
"aliases": [
"UBUNTU-CVE-2018-11740"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "sleuthkit",
"purl": "pkg:deb/ubuntu/sleuthkit?arch=source&distro=esm-infra-legacy%2Ftrusty",
"ecosystem": "Ubuntu:Pro:14.04:LTS"
},
"versions": [
"3.2.3-2ubuntu1",
"3.2.3-2ubuntu2",
"3.2.3-2.1",
"3.2.3-2.2",
"3.2.3-2.2ubuntu0.1~esm1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-11740.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libtsk3-3",
"binary_version": "3.2.3-2.2ubuntu0.1~esm1"
},
{
"binary_name": "sleuthkit",
"binary_version": "3.2.3-2.2ubuntu0.1~esm1"
}
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}
},
{
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"package": {
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"purl": "pkg:deb/ubuntu/sleuthkit?arch=source&distro=esm-apps%2Fxenial",
"ecosystem": "Ubuntu:Pro:16.04:LTS"
},
"versions": [
"4.1.3-11ubuntu2",
"4.1.3-12ubuntu1",
"4.2.0-3",
"4.2.0-3ubuntu0.1~esm1"
],
"database_specific": {
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},
"ecosystem_specific": {
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"binary_name": "libtsk13",
"binary_version": "4.2.0-3ubuntu0.1~esm1"
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{
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{
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},
"versions": [
"4.4.2-1",
"4.4.2-3"
],
"database_specific": {
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},
"ecosystem_specific": {
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}
]
}
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{
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],
"package": {
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"purl": "pkg:deb/ubuntu/sleuthkit?arch=source&distro=focal",
"ecosystem": "Ubuntu:20.04:LTS"
},
"versions": [
"4.6.5-1",
"4.6.7-1",
"4.6.7-1build1"
],
"database_specific": {
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},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libtsk13",
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},
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"binary_name": "sleuthkit",
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}
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}
},
{
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"purl": "pkg:deb/ubuntu/sleuthkit?arch=source&distro=jammy",
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},
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{
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},
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{
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{
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],
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"ecosystem": "Ubuntu:26.04:LTS"
},
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],
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},
"ecosystem_specific": {
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{
"binary_name": "libtsk19t64",
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},
{
"binary_name": "sleuthkit",
"binary_version": "4.12.1+dfsg-3build1"
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]
}
}
],
"modified": "2026-10-17T12:54:44.789147308Z",
"provider": "osv",
"upstream": [
"CVE-2018-11740"
],
"references": [
"https://ubuntu.com/security/CVE-2018-11740",
"https://github.com/sleuthkit/sleuthkit/issues/1264",
"https://www.cve.org/CVERecord?id=CVE-2018-11740"
]
},
"related_cves": [
{
"value": "CVE-2018-11740",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 353544,
"published_at": "2018-06-05T11:29:00+00:00"
}