Medium
lrzip — security advisory
lrzip-next LZMA v23.01 was discovered to contain an access violation via the component /bz3_decode_block src/libbz3.c.
- Products
- lrzip
- Affected versions
- 0.608-2, 0.616-1, 0.616-1ubuntu0.1~esm, 0.616-1ubuntu0.1~esm1, 0.616-1ubuntu0.1~esm2, 0.621-1, 0.621-1ubuntu0.1~esm1, 0.621-1ubuntu0.1~esm2, 0.631+git180528-1, 0.631+git180528-1+deb10u1build0.20.04.1, 0.631+git180528-1build1, 0.631-1, 0.631-1+deb9u1build0.18.04.1, 0.631-1+deb9u3build0.18.04.1, 0.631-1ubuntu0.1~esm1, 0.641-1, 0.651-2, 0.651-2ubuntu0.22.04.1, 0.651-2ubuntu1, 0.651-3, 0.651-3build1, 0.660-1
- Fixed versions
- Not specified
- CVEs
- CVE-2023-39743
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 01:04 UTC · Revision 1
Source evidence
lrzip-next LZMA v23.01 was discovered to contain an access violation via the component /bz3_decode_block src/libbz3.c.
osv:UBUNTU-CVE-2023-39743
lrzip
Fixed versions: Not specified
lrzip
Fixed versions: Not specified
lrzip
Fixed versions: Not specified
lrzip
Fixed versions: Not specified
lrzip
Fixed versions: Not specified
lrzip
Fixed versions: Not specified
lrzip
Fixed versions: Not specified
lrzip
Fixed versions: Not specified
lrzip
Fixed versions: Not specified
Complete source record
{
"id": "c2162d6604f3f91ff798f069ff6835441b383cda1769ff1d0a885a0df560a262",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2023-39743",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2023-39743",
"summary": "lrzip-next LZMA v23.01 was discovered to contain an access violation via the component /bz3_decode_block src/libbz3.c.",
"evidence": "osv:UBUNTU-CVE-2023-39743",
"products": [
{
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},
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{
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"evidence": "/affected/0/versions"
},
{
"value": "0.616-1",
"evidence": "/affected/0/versions"
},
{
"value": "0.616-1ubuntu0.1~esm",
"evidence": "/affected/0/versions"
},
{
"value": "0.616-1ubuntu0.1~esm1",
"evidence": "/affected/0/versions"
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{
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{
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{
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{
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"evidence": "/affected/2/versions"
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{
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"evidence": "/affected/3/versions"
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{
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{
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{
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"evidence": "/affected/4/versions"
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{
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"evidence": "/affected/4/versions"
}
]
},
{
"name": {
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},
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{
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},
{
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},
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"affected_versions": [
{
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{
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"evidence": "/affected/6/versions"
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]
},
{
"name": {
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"evidence": "/affected/7/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
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"evidence": "/affected/7/versions"
}
]
},
{
"name": {
"value": "lrzip",
"evidence": "/affected/8/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "0.651-3",
"evidence": "/affected/8/versions"
},
{
"value": "0.651-3build1",
"evidence": "/affected/8/versions"
},
{
"value": "0.660-1",
"evidence": "/affected/8/versions"
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]
}
],
"severity": "medium",
"structured": {
"id": "UBUNTU-CVE-2023-39743",
"aliases": [
"UBUNTU-CVE-2023-39743"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"
},
{
"type": "Ubuntu",
"score": "low"
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"affected": [
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"events": [
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"package": {
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"ecosystem": "Ubuntu:Pro:14.04:LTS"
},
"versions": [
"0.608-2",
"0.616-1",
"0.616-1ubuntu0.1~esm",
"0.616-1ubuntu0.1~esm1",
"0.616-1ubuntu0.1~esm2"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-39743.json"
},
"ecosystem_specific": {
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{
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],
"package": {
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"purl": "pkg:deb/ubuntu/lrzip?arch=source&distro=esm-apps%2Fxenial",
"ecosystem": "Ubuntu:Pro:16.04:LTS"
},
"versions": [
"0.621-1",
"0.621-1ubuntu0.1~esm1",
"0.621-1ubuntu0.1~esm2"
],
"database_specific": {
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},
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{
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],
"package": {
"name": "lrzip",
"purl": "pkg:deb/ubuntu/lrzip?arch=source&distro=esm-apps%2Fbionic",
"ecosystem": "Ubuntu:Pro:18.04:LTS"
},
"versions": [
"0.631-1",
"0.631-1ubuntu0.1~esm1",
"0.631-1+deb9u1build0.18.04.1",
"0.631-1+deb9u3build0.18.04.1"
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"0.631+git180528-1build1",
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],
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},
"ecosystem_specific": {
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},
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"0.651-2ubuntu0.22.04.1"
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],
"modified": "2026-10-17T12:56:25.287603600Z",
"provider": "osv",
"upstream": [
"CVE-2023-39743"
],
"references": [
"https://ubuntu.com/security/CVE-2023-39743",
"https://github.com/pete4abw/lrzip-next/issues/132",
"https://github.com/huanglei3/lrzip-next-poc/tree/main",
"https://www.cve.org/CVERecord?id=CVE-2023-39743"
]
},
"related_cves": [
{
"value": "CVE-2023-39743",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 355614,
"published_at": "2023-08-17T19:15:00+00:00"
}