Unrated
Security advisory
stb_image.h (aka the stb image loader) 2.19, as used in libsixel and other products, has a reachable assertion in stbi__create_png_image_raw.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2022-27938
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 3 Nov 2026, 19:28 UTC · Revision 1
Source evidence
stb_image.h (aka the stb image loader) 2.19, as used in libsixel and other products, has a reachable assertion in stbi__create_png_image_raw.
osv:CVE-2022-27938
Complete source record
{
"id": "72733fae1feacace81bb6b1da72b45468f94d046ec6a5953715888ea0492f427",
"url": "https://osv.dev/vulnerability/CVE-2022-27938",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2022-27938",
"summary": "stb_image.h (aka the stb image loader) 2.19, as used in libsixel and other products, has a reachable assertion in stbi__create_png_image_raw.",
"evidence": "osv:CVE-2022-27938",
"products": [],
"severity": "unknown",
"structured": {
"id": "CVE-2022-27938",
"aliases": [
"CVE-2022-27938"
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/libsixel/libsixel",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "cd9322ff7834b0ec301780b76f05a44fd285cb5b"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:libsixel:libsixel:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "1.10.4"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
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"v1.10.1",
"v1.10.0",
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"v1.4.5",
"v1.4.4",
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"v1.4.0",
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"v0.25.2",
"v0.25.1",
"v0.25.0",
"v0.24.2",
"v0.24.0",
"v0.23.2",
"v0.23.1",
"v0.23.0",
"v0.22.3",
"v0.22.2",
"v0.22.1",
"v0.22.0",
"v0.21.1",
"v0.21.0",
"v0.20.0",
"v0.19.6",
"v0.19.5",
"v0.19.4",
"v0.19.3",
"v0.19.2",
"v0.18.0",
"v0.17.2",
"v0.17.1",
"v0.17.0",
"v0.16.1",
"v0.16.0",
"v0.15.0",
"v0.14.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-27938.json"
}
},
{
"ranges": [
{
"repo": "https://github.com/saitoha/libsixel",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "24c34a23461a7d5034a43a365723ceda04eecdf5"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:saitoha:libsixel:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "1.8.7"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"nightly-latest",
"v1.8.6",
"v1.8.5",
"v1.8.4",
"v1.8.3",
"v1.8.2",
"v1.8.1",
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"v1.5.0",
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"v1.4.6",
"v1.4.5",
"v1.4.4",
"v1.4.3",
"v1.4.2",
"v1.4.1",
"v1.4.0",
"v1.3.6",
"v1.3.5",
"v1.3.4",
"v1.3.3",
"v1.3.2",
"v1.3.1",
"v1.1.2",
"v1.1.1",
"v1.1.0",
"v1.0.2",
"v1.0.1",
"v1.0.0",
"v0.28.0",
"v0.27.1",
"v0.27.0",
"v0.26.0",
"v0.25.5",
"v0.25.4",
"v0.25.3",
"v0.25.2",
"v0.25.1",
"v0.25.0",
"v0.24.2",
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"v0.23.2",
"v0.23.1",
"v0.23.0",
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"v0.22.2",
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"v0.22.0",
"v0.21.1",
"v0.21.0",
"v0.20.0",
"v0.19.6",
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"v0.19.4",
"v0.19.3",
"v0.19.2",
"v0.18.0",
"v0.17.2",
"v0.17.1",
"v0.17.0",
"v0.16.1",
"v0.16.0",
"v0.15.0",
"v0.14.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-27938.json"
}
}
],
"modified": "2026-10-28T02:30:31.675393428Z",
"provider": "osv",
"references": [
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/27xxx/CVE-2022-27938.json",
"https://nvd.nist.gov/vuln/detail/CVE-2022-27938",
"https://github.com/saitoha/libsixel/issues/163"
],
"provider_metadata": {
"cna_assigner": "mitre",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/27xxx/CVE-2022-27938.json"
}
},
"related_cves": [
{
"value": "CVE-2022-27938",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 498721,
"published_at": "2022-03-26T12:49:51+00:00"
}