HighFix available
erofs-utils — security advisory
Heap Buffer Overflow in the erofsfsck_dirent_iter function in fsck/main.c in erofs-utils v1.6 allows remote attackers to execute arbitrary code via a crafted erofs filesystem image.
- Products
- erofs-utils
- Affected versions
- 1.5-1, 1.6-1, 1.6-2, 1.6-3, 1.6-4, 1.7-1, 1.7.1-1, 1.8.1-1, 1.8.10-1, 1.8.2-1, 1.8.2-2, 1.8.3-1, 1.8.4-1, 1.8.4-2, 1.8.5-1, 1.8.6-1, 1.9-1, 1.9-2, 1.9-3, 1.9.1-1, 1.9.2-1, 1.9.4-1
- Fixed versions
- 1.6-2
- CVEs
- CVE-2023-33551
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 15:53 UTC · Revision 1
Source evidence
Heap Buffer Overflow in the erofsfsck_dirent_iter function in fsck/main.c in erofs-utils v1.6 allows remote attackers to execute arbitrary code via a crafted erofs filesystem image.
osv:DEBIAN-CVE-2023-33551
erofs-utils
Fixed versions: Not specified
erofs-utils
Fixed versions: 1.6-2
erofs-utils
Fixed versions: 1.6-2
Complete source record
{
"id": "3e34eb19379bc03a2258354c6a02ece78ebb15fbf98adaa7c82c5e2a49dd7404",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2023-33551",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2023-33551",
"summary": "Heap Buffer Overflow in the erofsfsck_dirent_iter function in fsck/main.c in erofs-utils v1.6 allows remote attackers to execute arbitrary code via a crafted erofs filesystem image.",
"evidence": "osv:DEBIAN-CVE-2023-33551",
"products": [
{
"name": {
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"evidence": "/affected/0/package/name"
},
"prerequisites": [],
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{
"value": "1.5-1",
"evidence": "/affected/0/versions"
},
{
"value": "1.6-1",
"evidence": "/affected/0/versions"
},
{
"value": "1.6-2",
"evidence": "/affected/0/versions"
},
{
"value": "1.6-3",
"evidence": "/affected/0/versions"
},
{
"value": "1.6-4",
"evidence": "/affected/0/versions"
},
{
"value": "1.7-1",
"evidence": "/affected/0/versions"
},
{
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"evidence": "/affected/0/versions"
},
{
"value": "1.8.1-1",
"evidence": "/affected/0/versions"
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{
"value": "1.8.10-1",
"evidence": "/affected/0/versions"
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{
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"evidence": "/affected/0/versions"
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{
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"evidence": "/affected/0/versions"
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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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{
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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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{
"name": {
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"evidence": "/affected/2/package/name"
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"fixed_versions": [
{
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"evidence": "/affected/2/ranges"
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"affected_versions": []
}
],
"severity": "high",
"structured": {
"id": "DEBIAN-CVE-2023-33551",
"aliases": [
"DEBIAN-CVE-2023-33551"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "erofs-utils",
"purl": "pkg:deb/debian/erofs-utils?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"versions": [
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"1.6-1",
"1.6-2",
"1.6-3",
"1.6-4",
"1.7-1",
"1.7.1-1",
"1.8.1-1",
"1.8.10-1",
"1.8.2-1",
"1.8.2-2",
"1.8.3-1",
"1.8.4-1",
"1.8.4-2",
"1.8.5-1",
"1.8.6-1",
"1.9-1",
"1.9-2",
"1.9-3",
"1.9.1-1",
"1.9.2-1",
"1.9.4-1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-33551.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.6-2"
}
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}
],
"package": {
"name": "erofs-utils",
"purl": "pkg:deb/debian/erofs-utils?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-33551.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
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{
"introduced": "0"
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{
"fixed": "1.6-2"
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}
],
"package": {
"name": "erofs-utils",
"purl": "pkg:deb/debian/erofs-utils?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-33551.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-26T18:02:17.033170062Z",
"provider": "osv",
"upstream": [
"CVE-2023-33551"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2023-33551"
]
},
"related_cves": [
{
"value": "CVE-2023-33551",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 455938,
"published_at": "2023-06-01T15:15:09.05+00:00"
}