UnratedFix available
libpng1.6 vulnerability
Type: advisorySources: OSV
Ze Sheng discovered that libpng incorrectly handled certain compressed data chunks in PNG files. An attacker could possibly use this issue to cause a denial of service.
- Products
- libpng1.6
- Affected versions
- 1.6.20-2, 1.6.20-2ubuntu0.1~esm1, 1.6.20-2ubuntu0.1~esm2, 1.6.20-2ubuntu0.1~esm3, 1.6.20-2ubuntu0.1~esm4, 1.6.34-1, 1.6.34-1ubuntu0.18.04.1, 1.6.34-1ubuntu0.18.04.2, 1.6.34-1ubuntu0.18.04.2+esm1, 1.6.34-1ubuntu0.18.04.2+esm2, 1.6.34-1ubuntu0.18.04.2+esm3, 1.6.37-1, 1.6.37-2, 1.6.37-2ubuntu0.1~esm1, 1.6.37-2ubuntu0.1~esm2, 1.6.37-2ubuntu0.1~esm3, 1.6.37-3build4, 1.6.37-3build5, 1.6.37-3ubuntu0.1, 1.6.37-3ubuntu0.3, 1.6.37-3ubuntu0.4, 1.6.37-3ubuntu0.5, 1.6.37-3ubuntu0.6, 1.6.40-1, 1.6.40-2, 1.6.40-3, 1.6.42-1, 1.6.43-1, 1.6.43-3, 1.6.43-5build1, 1.6.43-5ubuntu0.1, 1.6.43-5ubuntu0.3, 1.6.43-5ubuntu0.4, 1.6.43-5ubuntu0.5, 1.6.43-5ubuntu0.6, 1.6.50-1, 1.6.51-1, 1.6.53-1, 1.6.54-1, 1.6.55-1, 1.6.56-1, 1.6.57-1
- Fixed versions
- 1.6.20-2ubuntu0.1~esm5, 1.6.34-1ubuntu0.18.04.2+esm4, 1.6.37-2ubuntu0.1~esm4, 1.6.37-3ubuntu0.7, 1.6.43-5ubuntu0.7, 1.6.57-1ubuntu0.1
- CVEs
- CVE-2026-46675
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 28 Oct 2026, 10:37 UTC · Revision 1
Source evidence
Ze Sheng discovered that libpng incorrectly handled certain compressed data chunks in PNG files. An attacker could possibly use this issue to cause a denial of service.
osv:USN-8899-1
libpng1.6
Fixed versions: 1.6.20-2ubuntu0.1~esm5
libpng1.6
Fixed versions: 1.6.34-1ubuntu0.18.04.2+esm4
libpng1.6
Fixed versions: 1.6.37-2ubuntu0.1~esm4
libpng1.6
Fixed versions: 1.6.37-3ubuntu0.7
libpng1.6
Fixed versions: 1.6.43-5ubuntu0.7
libpng1.6
Fixed versions: 1.6.57-1ubuntu0.1
Complete source record
{
"id": "f7b25782b4bff22790cb12222790c61c3be1cdb5f7ddcc2b78db7372c6284c68",
"url": "https://osv.dev/vulnerability/USN-8899-1",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "libpng1.6 vulnerability",
"summary": "Ze Sheng discovered that libpng incorrectly handled certain compressed data chunks in PNG files. An attacker could possibly use this issue to cause a denial of service.",
"evidence": "osv:USN-8899-1",
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"name": {
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{
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"affected_versions": [
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{
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{
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{
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{
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"value": "1.6.54-1",
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{
"value": "1.6.55-1",
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{
"value": "1.6.56-1",
"evidence": "/affected/5/versions"
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{
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],
"modified": "2026-10-09T01:57:55.202580124Z",
"provider": "osv",
"upstream": [
"CVE-2026-46675",
"UBUNTU-CVE-2026-46675"
],
"references": [
"https://ubuntu.com/security/notices/USN-8899-1",
"https://ubuntu.com/security/CVE-2026-46675"
]
},
"related_cves": [
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"evidence": "/upstream"
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"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 108248,
"published_at": "2026-10-07T18:08:11+00:00"
}