dasel — security advisory
Dasel is a command-line tool and library for querying, modifying, and transforming data structures. From 3.0.0 until 3.10.1, the escape sequence handler in (*Tokenizer).parseCurRune in selector/lexer/tokenize.go increments past a trailing backslash in a quoted string such as "\ or '\ and then reads p.src[pos] without a bounds check, allowing attacker-controlled selector strings to trigger a Go index-out-of-range panic. This issue is fixed in version 3.10.1.
- Products
- dasel
- Affected versions
- 2.8.1-1, 3.8.0-1, 3.8.1-1
- Fixed versions
- 3.11.0-1
- CVEs
- CVE-2026-46377
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 09:52 UTC · Revision 2
Source evidence
Dasel is a command-line tool and library for querying, modifying, and transforming data structures. From 3.0.0 until 3.10.1, the escape sequence handler in (*Tokenizer).parseCurRune in selector/lexer/tokenize.go increments past a trailing backslash in a quoted string such as "\ or '\ and then reads p.src[pos] without a bounds check, allowing attacker-controlled selector strings to trigger a Go index-out-of-range panic. This issue is fixed in version 3.10.1.
osv:DEBIAN-CVE-2026-46377
dasel
Fixed versions: 3.11.0-1
Complete source record
{
"id": "b3463d4e2d723da14a186d29faa9558f828dd1f4bf21b64ff607689a6d280c70",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2026-46377",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2026-46377",
"summary": "Dasel is a command-line tool and library for querying, modifying, and transforming data structures. From 3.0.0 until 3.10.1, the escape sequence handler in (*Tokenizer).parseCurRune in selector/lexer/tokenize.go increments past a trailing backslash in a quoted string such as \"\\ or '\\ and then reads p.src[pos] without a bounds check, allowing attacker-controlled selector strings to trigger a Go index-out-of-range panic. This issue is fixed in version 3.10.1.",
"evidence": "osv:DEBIAN-CVE-2026-46377",
"products": [
{
"name": {
"value": "dasel",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "3.11.0-1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": [
{
"value": "2.8.1-1",
"evidence": "/affected/0/versions"
},
{
"value": "3.8.0-1",
"evidence": "/affected/0/versions"
},
{
"value": "3.8.1-1",
"evidence": "/affected/0/versions"
}
]
}
],
"severity": "medium",
"structured": {
"id": "DEBIAN-CVE-2026-46377",
"aliases": [
"DEBIAN-CVE-2026-46377"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "3.11.0-1"
}
]
}
],
"package": {
"name": "dasel",
"purl": "pkg:deb/debian/dasel?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"versions": [
"2.8.1-1",
"3.8.0-1",
"3.8.1-1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-46377.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-25T09:47:28.482378533Z",
"provider": "osv",
"upstream": [
"CVE-2026-46377"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2026-46377"
]
},
"related_cves": [
{
"value": "CVE-2026-46377",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 445128,
"published_at": "2026-07-16T19:16:46.127+00:00"
}