HighFix available
libwebp — security advisory
Heap buffer overflow in libwebp in Google Chrome prior to 116.0.5845.187 and libwebp 1.3.2 allowed a remote attacker to perform an out of bounds memory write via a crafted HTML page. (Chromium security severity: Critical)
- Products
- libwebp
- Affected versions
- Not specified
- Fixed versions
- 1.2.2-r2, 1.2.3-r2, 1.2.4-r3, 1.3.1-r1
- CVEs
- CVE-2023-4863
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 15:02 UTC · Revision 1
Source evidence
Heap buffer overflow in libwebp in Google Chrome prior to 116.0.5845.187 and libwebp 1.3.2 allowed a remote attacker to perform an out of bounds memory write via a crafted HTML page. (Chromium security severity: Critical)
osv:ALPINE-CVE-2023-4863
libwebp
Fixed versions: 1.2.2-r2
libwebp
Fixed versions: 1.2.3-r2
libwebp
Fixed versions: 1.2.4-r3
libwebp
Fixed versions: 1.3.1-r1
libwebp
Fixed versions: 1.3.1-r1
libwebp
Fixed versions: 1.3.1-r1
libwebp
Fixed versions: 1.3.1-r1
libwebp
Fixed versions: 1.3.1-r1
libwebp
Fixed versions: 1.3.1-r1
libwebp
Fixed versions: 1.3.1-r1
Complete source record
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"id": "9d32878921392db672155ec1b4991e83794d0ceb0b98c39b2bdf412580564d7e",
"url": "https://osv.dev/vulnerability/ALPINE-CVE-2023-4863",
"method": "structured",
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"title": "ALPINE-CVE-2023-4863",
"summary": "Heap buffer overflow in libwebp in Google Chrome prior to 116.0.5845.187 and libwebp 1.3.2 allowed a remote attacker to perform an out of bounds memory write via a crafted HTML page. (Chromium security severity: Critical)",
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"severity": "high",
"structured": {
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"aliases": [
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"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
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"affected": [
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"ecosystem": "Alpine:v3.15"
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"database_specific": {
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],
"modified": "2026-10-26T17:17:58.654129407Z",
"provider": "osv",
"upstream": [
"CVE-2023-4863"
],
"references": [
"https://security.alpinelinux.org/vuln/CVE-2023-4863"
]
},
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"evidence": "/upstream"
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"source_id": "core-osv",
"document_id": 454543,
"published_at": "2023-09-12T15:15:24.327+00:00"
}