UnratedFix available
Fix CVE(s): CVE-2026-38753, CVE-2026-38754
Type: advisorySources: OSV
* SECURITY UPDATE: use-after-free in the awk sub()/gsub()/gensub() replacement string - debian/patches/CVE-2026-38753.patch: awk: copy the replacement string before evaluating the regex argument in awk_sub() - CVE-2026-38753 * SECURITY UPDATE: out-of-bounds read in the ash IFS splitting code - debian/patches/CVE-2026-38754.patch: ash: release stale IFS region state when an expansion error is caught in redirectsafe() - CVE-2026-38754
- Products
- busybox, busybox-static, busybox-syslogd, udhcpc, udhcpd
- Affected versions
- Not specified
- Fixed versions
- 1:1.30.1-4+tuxcare.els4
- CVEs
- CVE-2026-38753, CVE-2026-38754
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 11:22 UTC · Revision 1
Source evidence
Fix CVE(s): CVE-2026-38753, CVE-2026-38754
core-osv · Original sourcePublished 18 Aug 2026, 14:14 UTC
* SECURITY UPDATE: use-after-free in the awk sub()/gsub()/gensub() replacement string - debian/patches/CVE-2026-38753.patch: awk: copy the replacement string before evaluating the regex argument in awk_sub() - CVE-2026-38753 * SECURITY UPDATE: out-of-bounds read in the ash IFS splitting code - debian/patches/CVE-2026-38754.patch: ash: release stale IFS region state when an expansion error is caught in redirectsafe() - CVE-2026-38754
osv:CLSA-2026-1787062482
busybox
Fixed versions: 1:1.30.1-4+tuxcare.els4
busybox-static
Fixed versions: 1:1.30.1-4+tuxcare.els4
busybox-syslogd
Fixed versions: 1:1.30.1-4+tuxcare.els4
udhcpc
Fixed versions: 1:1.30.1-4+tuxcare.els4
udhcpd
Fixed versions: 1:1.30.1-4+tuxcare.els4
Complete source record
{
"id": "a9dc46af3e1de6fade49eed062db0bf2a61d5b0ec4efc352f46df762cf215ba2",
"url": "https://osv.dev/vulnerability/CLSA-2026-1787062482",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Fix CVE(s): CVE-2026-38753, CVE-2026-38754",
"summary": "* SECURITY UPDATE: use-after-free in the awk sub()/gsub()/gensub() replacement string - debian/patches/CVE-2026-38753.patch: awk: copy the replacement string before evaluating the regex argument in awk_sub() - CVE-2026-38753 * SECURITY UPDATE: out-of-bounds read in the ash IFS splitting code - debian/patches/CVE-2026-38754.patch: ash: release stale IFS region state when an expansion error is caught in redirectsafe() - CVE-2026-38754",
"evidence": "osv:CLSA-2026-1787062482",
"products": [
{
"name": {
"value": "busybox",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:1.30.1-4+tuxcare.els4",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "busybox-static",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:1.30.1-4+tuxcare.els4",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "busybox-syslogd",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:1.30.1-4+tuxcare.els4",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "udhcpc",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:1.30.1-4+tuxcare.els4",
"evidence": "/affected/3/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "udhcpd",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:1.30.1-4+tuxcare.els4",
"evidence": "/affected/4/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "CLSA-2026-1787062482",
"aliases": [
"CLSA-2026-1787062482"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:1.30.1-4+tuxcare.els4"
}
]
}
],
"package": {
"name": "busybox",
"purl": "pkg:deb/tuxcare/busybox?distro=debian-10",
"ecosystem": "TuxCare:Debian:10"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/debian10els/CLSA-2026-1787062482.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:1.30.1-4+tuxcare.els4"
}
]
}
],
"package": {
"name": "busybox-static",
"purl": "pkg:deb/tuxcare/busybox-static?distro=debian-10",
"ecosystem": "TuxCare:Debian:10"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/debian10els/CLSA-2026-1787062482.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:1.30.1-4+tuxcare.els4"
}
]
}
],
"package": {
"name": "busybox-syslogd",
"purl": "pkg:deb/tuxcare/busybox-syslogd?distro=debian-10",
"ecosystem": "TuxCare:Debian:10"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/debian10els/CLSA-2026-1787062482.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:1.30.1-4+tuxcare.els4"
}
]
}
],
"package": {
"name": "udhcpc",
"purl": "pkg:deb/tuxcare/udhcpc?distro=debian-10",
"ecosystem": "TuxCare:Debian:10"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/debian10els/CLSA-2026-1787062482.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:1.30.1-4+tuxcare.els4"
}
]
}
],
"package": {
"name": "udhcpd",
"purl": "pkg:deb/tuxcare/udhcpd?distro=debian-10",
"ecosystem": "TuxCare:Debian:10"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/debian10els/CLSA-2026-1787062482.json"
}
}
],
"modified": "2026-10-26T09:31:52.921914371Z",
"provider": "osv",
"upstream": [
"CVE-2026-38753",
"CVE-2026-38754"
],
"references": [
"https://errata.tuxcare.com/els_os/debian10els/CLSA-2026-1787062482.html",
"https://nvd.nist.gov/vuln/detail/CVE-2026-38753",
"https://nvd.nist.gov/vuln/detail/CVE-2026-38754"
]
},
"related_cves": [
{
"value": "CVE-2026-38753",
"evidence": "/upstream"
},
{
"value": "CVE-2026-38754",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 448812,
"published_at": "2026-08-18T14:14:55+00:00"
}