LowFix available
m17n-lib — security advisory
A flaw was found in m17n-lib. An attacker who supplies crafted input to an application processing ISO-2022 encoded text can cause the library to read uninitialized memory from the stack. If the application exposes or returns the decoded output, this flaw can result in unexpected behavior and limited information disclosure.
- Products
- m17n-lib
- Affected versions
- 1.8.0-6, 1.8.2-1, 1.8.3-1, 1.8.3-2, 1.8.4-1, 1.8.4-2, 1.8.5-1, 1.8.6-1, 1.8.7-1
- Fixed versions
- 1.8.7-1
- CVEs
- CVE-2026-109854
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 23:12 UTC · Revision 1
Source evidence
A flaw was found in m17n-lib. An attacker who supplies crafted input to an application processing ISO-2022 encoded text can cause the library to read uninitialized memory from the stack. If the application exposes or returns the decoded output, this flaw can result in unexpected behavior and limited information disclosure.
osv:DEBIAN-CVE-2026-109854
m17n-lib
Fixed versions: Not specified
m17n-lib
Fixed versions: Not specified
m17n-lib
Fixed versions: 1.8.7-1
Complete source record
{
"id": "8d2fcdc7671b3948da9d1ec2e6a9a5a5f5ffa10d0b81fc4626a9923b53b1679a",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2026-109854",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2026-109854",
"summary": "A flaw was found in m17n-lib. An attacker who supplies crafted input to an application processing ISO-2022 encoded text can cause the library to read uninitialized memory from the stack. If the application exposes or returns the decoded output, this flaw can result in unexpected behavior and limited information disclosure.",
"evidence": "osv:DEBIAN-CVE-2026-109854",
"products": [
{
"name": {
"value": "m17n-lib",
"evidence": "/affected/0/package/name"
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"prerequisites": [],
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{
"value": "1.8.0-6",
"evidence": "/affected/0/versions"
},
{
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"evidence": "/affected/0/versions"
},
{
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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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"aliases": [
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"metrics": [
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}
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"affected": [
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"package": {
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"ecosystem": "Debian:12"
},
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"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-109854.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
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"package": {
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"purl": "pkg:deb/debian/m17n-lib?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"versions": [
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],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-109854.json"
},
"ecosystem_specific": {
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},
{
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"package": {
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"purl": "pkg:deb/debian/m17n-lib?arch=source&distro=forky",
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"database_specific": {
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},
"ecosystem_specific": {
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}
}
],
"modified": "2026-10-23T17:47:37.291212417Z",
"provider": "osv",
"upstream": [
"CVE-2026-109854"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2026-109854"
]
},
"related_cves": [
{
"value": "CVE-2026-109854",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 417974,
"published_at": "2026-10-13T10:17:15.61+00:00"
}