Medium
Security advisory
In Libarchive 3.4.0, archive_wstring_append_from_mbs in archive_string.c has an out-of-bounds read because of an incorrect mbrtowc or mbtowc call. For example, bsdtar crashes via a crafted archive.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2019-19221
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 12:32 UTC · Revision 1
Source evidence
In Libarchive 3.4.0, archive_wstring_append_from_mbs in archive_string.c has an out-of-bounds read because of an incorrect mbrtowc or mbtowc call. For example, bsdtar crashes via a crafted archive.
osv:CVE-2019-19221
Complete source record
{
"id": "ceca97dfbfd4020b65b83090daa2fff4efbdded3849cb957d2e86b4c8853f786",
"url": "https://osv.dev/vulnerability/CVE-2019-19221",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2019-19221",
"summary": "In Libarchive 3.4.0, archive_wstring_append_from_mbs in archive_string.c has an out-of-bounds read because of an incorrect mbrtowc or mbtowc call. For example, bsdtar crashes via a crafted archive.",
"evidence": "osv:CVE-2019-19221",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2019-19221",
"aliases": [
"CVE-2019-19221"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/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": [
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},
{
"last_affected": "614110e76d9dbb9ed3e159a71cbd75fa3b23efe3"
},
{
"fixed": "22b1db9d46654afc6f0c28f90af8cdc84a199f41"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:libarchive:libarchive:3.4.0:*:*:*:*:*:*:*",
"range": [
{
"introduced": "3.4.0"
},
{
"last_affected": "3.4.0"
}
],
"source": "CPE_STRING"
},
{
"range": [
{
"fixed": "22b1db9d46654afc6f0c28f90af8cdc84a199f41"
}
],
"source": "REFERENCES_COMMIT"
}
]
}
}
],
"versions": [
"3.4.0",
"v3.4.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-19221.json",
"vanir_signatures": [
{
"id": "CVE-2019-19221-5e805d5f",
"digest": {
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"source": "https://github.com/libarchive/libarchive/commit/22b1db9d46654afc6f0c28f90af8cdc84a199f41",
"target": {
"file": "libarchive/archive_string.c"
},
"deprecated": false,
"signature_type": "Line",
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{
"id": "CVE-2019-19221-b74e4aa8",
"digest": {
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"source": "https://github.com/libarchive/libarchive/commit/22b1db9d46654afc6f0c28f90af8cdc84a199f41",
"target": {
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"function": "archive_wstring_append_from_mbs"
},
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"signature_type": "Function",
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],
"vanir_signatures_modified": "2026-10-20T13:46:43Z"
}
}
],
"modified": "2026-10-20T13:46:43.194660382Z",
"provider": "osv",
"references": [
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RHFV25AVTASTWZRF3KTSL357AQ6TYHM4/",
"https://lists.debian.org/debian-lts-announce/2022/04/msg00020.html",
"https://lists.debian.org/debian-lts-announce/2022/11/msg00030.html",
"https://github.com/libarchive/libarchive/issues/1276",
"https://github.com/libarchive/libarchive/commit/22b1db9d46654afc6f0c28f90af8cdc84a199f41",
"https://usn.ubuntu.com/4293-1/"
],
"provider_metadata": {
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"extracted_events": [
{
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{
"last_affected": "16.04"
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{
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{
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{
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"source": "CPE_STRING"
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{
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{
"cpes": [
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"vendor_product": "fedoraproject:fedora",
"extracted_events": [
{
"range": [
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},
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],
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}
},
"related_cves": [
{
"value": "CVE-2019-19221",
"evidence": "/id"
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],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 388231,
"published_at": "2019-11-21T23:15:13.887+00:00"
}