High
libstb — security advisory
A security flaw has been discovered in Nothings stb up to 1.22. This affects the function start_decoder of the file stb_vorbis.c. The manipulation results in out-of-bounds write. The attack may be performed from remote. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
- Products
- libstb
- Affected versions
- 0.0~git20190817.1.052dce1-1, 0.0~git20200713.b42009b+ds-1, 0.0~git20210910.af1a5bc+ds-1, 0.0~git20230129.5736b15+ds-1, 0.0~git20230129.5736b15+ds-1.1, 0.0~git20230129.5736b15+ds-1.2, 0.0~git20240715.f7f20f39fe4f+ds-1, 0.0~git20241109.5c20573+ds-1, 0.0~git20250907.fede005+ds-1
- Fixed versions
- Not specified
- CVEs
- CVE-2026-5317
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 03:08 UTC · Revision 1
Source evidence
A security flaw has been discovered in Nothings stb up to 1.22. This affects the function start_decoder of the file stb_vorbis.c. The manipulation results in out-of-bounds write. The attack may be performed from remote. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
osv:UBUNTU-CVE-2026-5317
libstb
Fixed versions: Not specified
libstb
Fixed versions: Not specified
libstb
Fixed versions: Not specified
libstb
Fixed versions: Not specified
libstb
Fixed versions: Not specified
libstb
Fixed versions: Not specified
Complete source record
{
"id": "1a847c758d9f59c3a64e4c044a580238386199ee617873a3929e690b3ce4c8d6",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2026-5317",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2026-5317",
"summary": "A security flaw has been discovered in Nothings stb up to 1.22. This affects the function start_decoder of the file stb_vorbis.c. The manipulation results in out-of-bounds write. The attack may be performed from remote. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.",
"evidence": "osv:UBUNTU-CVE-2026-5317",
"products": [
{
"name": {
"value": "libstb",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
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"affected_versions": [
{
"value": "0.0~git20190817.1.052dce1-1",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
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"evidence": "/affected/1/package/name"
},
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{
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"evidence": "/affected/1/versions"
},
{
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{
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{
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{
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{
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"evidence": "/affected/5/versions"
}
]
}
],
"severity": "high",
"structured": {
"id": "UBUNTU-CVE-2026-5317",
"aliases": [
"UBUNTU-CVE-2026-5317"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
},
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P"
},
{
"type": "Ubuntu",
"score": "medium"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
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"purl": "pkg:deb/ubuntu/libstb?arch=source&distro=focal",
"ecosystem": "Ubuntu:20.04:LTS"
},
"versions": [
"0.0~git20190817.1.052dce1-1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-5317.json"
},
"ecosystem_specific": {
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"package": {
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"versions": [
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"package": {
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"ecosystem": "Ubuntu:24.04:LTS"
},
"versions": [
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],
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},
"ecosystem_specific": {
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},
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],
"modified": "2026-10-17T13:00:24.629705339Z",
"provider": "osv",
"upstream": [
"CVE-2026-5317"
],
"references": [
"https://ubuntu.com/security/CVE-2026-5317",
"https://www.cve.org/CVERecord?id=CVE-2026-5317",
"https://gist.github.com/d0razi/2ff8a0e812f74dd6fe7f2843931bb90c",
"https://vuldb.com/submit/780561",
"https://vuldb.com/vuln/354649",
"https://vuldb.com/vuln/354649/cti"
]
},
"related_cves": [
{
"value": "CVE-2026-5317",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/1/score"
},
"source_id": "core-osv",
"document_id": 360508,
"published_at": "2026-04-02T01:16:00+00:00"
}