Medium
Security advisory
libarchive 3.3.2 allows remote attackers to cause a denial of service (xml_data heap-based buffer over-read and application crash) via a crafted xar archive, related to the mishandling of empty strings in the atol8 function in archive_read_support_format_xar.c.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2017-14166
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 12:09 UTC · Revision 1
Source evidence
libarchive 3.3.2 allows remote attackers to cause a denial of service (xml_data heap-based buffer over-read and application crash) via a crafted xar archive, related to the mishandling of empty strings in the atol8 function in archive_read_support_format_xar.c.
osv:CVE-2017-14166
Complete source record
{
"id": "7da90565abb11aeb2da7ce5cccc2e5cd975da68919bc1307306901429e89838a",
"url": "https://osv.dev/vulnerability/CVE-2017-14166",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2017-14166",
"summary": "libarchive 3.3.2 allows remote attackers to cause a denial of service (xml_data heap-based buffer over-read and application crash) via a crafted xar archive, related to the mishandling of empty strings in the atol8 function in archive_read_support_format_xar.c.",
"evidence": "osv:CVE-2017-14166",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2017-14166",
"aliases": [
"CVE-2017-14166"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/libarchive/libarchive",
"type": "GIT",
"events": [
{
"introduced": "98a695399e8e7420635a5448aecde8b0a82fb83a"
},
{
"last_affected": "98a695399e8e7420635a5448aecde8b0a82fb83a"
},
{
"fixed": "fa7438a0ff4033e4741c807394a9af6207940d71"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:libarchive:libarchive:3.3.2:*:*:*:*:*:*:*",
"range": [
{
"introduced": "3.3.2"
},
{
"last_affected": "3.3.2"
}
],
"source": "CPE_STRING"
},
{
"range": [
{
"fixed": "fa7438a0ff4033e4741c807394a9af6207940d71"
}
],
"source": "REFERENCES_COMMIT"
}
]
}
}
],
"versions": [
"3.3.2",
"v3.3.2"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-14166.json",
"vanir_signatures": [
{
"id": "CVE-2017-14166-8b8c9fe3",
"digest": {
"length": 252,
"function_hash": "22896334843526093180736066296199390258"
},
"source": "https://github.com/libarchive/libarchive/commit/fa7438a0ff4033e4741c807394a9af6207940d71",
"target": {
"file": "libarchive/archive_read_support_format_xar.c",
"function": "atol8"
},
"deprecated": false,
"signature_type": "Function",
"signature_version": "v1"
},
{
"id": "CVE-2017-14166-d6ce55c2",
"digest": {
"threshold": 0.9,
"line_hashes": [
"306826382494510933660800859828621127375",
"263019307768072499342249514957965856663",
"335663963310048766376761345995812168806",
"99099958808001043042586216301068977286",
"202259133909944234003097793124428872639",
"182001944860290744146342507656516228755"
]
},
"source": "https://github.com/libarchive/libarchive/commit/fa7438a0ff4033e4741c807394a9af6207940d71",
"target": {
"file": "libarchive/archive_read_support_format_xar.c"
},
"deprecated": false,
"signature_type": "Line",
"signature_version": "v1"
},
{
"id": "CVE-2017-14166-efb70994",
"digest": {
"length": 239,
"function_hash": "23263452411327199978277794560809399548"
},
"source": "https://github.com/libarchive/libarchive/commit/fa7438a0ff4033e4741c807394a9af6207940d71",
"target": {
"file": "libarchive/archive_read_support_format_xar.c",
"function": "atol10"
},
"deprecated": false,
"signature_type": "Function",
"signature_version": "v1"
}
],
"vanir_signatures_modified": "2026-10-20T13:14:13Z"
}
}
],
"modified": "2026-10-20T13:14:13.782247508Z",
"provider": "osv",
"references": [
"https://lists.debian.org/debian-lts-announce/2018/11/msg00037.html",
"https://security.gentoo.org/glsa/201908-11",
"https://usn.ubuntu.com/3736-1/",
"https://www.debian.org/security/2018/dsa-4360",
"https://blogs.gentoo.org/ago/2017/09/06/libarchive-heap-based-buffer-overflow-in-xml_data-archive_read_support_format_xar-c/",
"https://github.com/libarchive/libarchive/commit/fa7438a0ff4033e4741c807394a9af6207940d71"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*",
"cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*"
],
"vendor_product": "canonical:ubuntu_linux",
"extracted_events": [
{
"range": [
{
"introduced": "14.04"
},
{
"last_affected": "14.04"
},
{
"introduced": "16.04"
},
{
"last_affected": "16.04"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*",
"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
],
"vendor_product": "debian:debian_linux",
"extracted_events": [
{
"range": [
{
"introduced": "8.0"
},
{
"last_affected": "8.0"
},
{
"introduced": "9.0"
},
{
"last_affected": "9.0"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2017-14166",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 387357,
"published_at": "2017-09-06T18:29:00.273+00:00"
}