Critical
Security advisory
A flaw was found in libwebp in versions before 1.0.1. A heap-based buffer overflow in function WebPDecodeRGBInto is possible due to an invalid check for buffer size. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2020-36328
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 04:49 UTC · Revision 1
Source evidence
A flaw was found in libwebp in versions before 1.0.1. A heap-based buffer overflow in function WebPDecodeRGBInto is possible due to an invalid check for buffer size. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
osv:CVE-2020-36328
Complete source record
{
"id": "54471a36b91607173b86f5db98ce7f70abbb5964636bc5371573c9400699fd76",
"url": "https://osv.dev/vulnerability/CVE-2020-36328",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2020-36328",
"summary": "A flaw was found in libwebp in versions before 1.0.1. A heap-based buffer overflow in function WebPDecodeRGBInto is possible due to an invalid check for buffer size. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.",
"evidence": "osv:CVE-2020-36328",
"products": [],
"severity": "critical",
"structured": {
"id": "CVE-2020-36328",
"aliases": [
"CVE-2020-36328"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/webmproject/libwebp",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "e85d3313d6d52b1e9c6c181b488fc0831a747de8"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:webmproject:libwebp:*:*:*:*:*:*:*:*",
"range": [
{
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},
{
"fixed": "1.0.1"
}
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"versions": [
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],
"database_specific": {
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}
}
],
"modified": "2026-10-24T10:30:22.632969485Z",
"provider": "osv",
"references": [
"https://lists.debian.org/debian-lts-announce/2021/06/msg00005.html",
"https://lists.debian.org/debian-lts-announce/2021/06/msg00006.html",
"https://security.netapp.com/advisory/ntap-20211112-0001/",
"https://support.apple.com/kb/HT212601",
"https://www.debian.org/security/2021/dsa-4930",
"https://bugzilla.redhat.com/show_bug.cgi?id=1956829"
],
"provider_metadata": {
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"cpes": [
"cpe:2.3:o:apple:ipados:14.7:*:*:*:*:*:*:*"
],
"vendor_product": "apple:ipados",
"extracted_events": [
{
"range": [
{
"introduced": "14.7"
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{
"last_affected": "14.7"
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}
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{
"cpes": [
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],
"vendor_product": "apple:iphone_os",
"extracted_events": [
{
"range": [
{
"introduced": "14.7"
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{
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],
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{
"cpes": [
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"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
],
"vendor_product": "debian:debian_linux",
"extracted_events": [
{
"range": [
{
"introduced": "9.0"
},
{
"last_affected": "9.0"
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{
"introduced": "10.0"
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{
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"source": "CPE_STRING"
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},
{
"cpes": [
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"cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*"
],
"vendor_product": "redhat:enterprise_linux",
"extracted_events": [
{
"range": [
{
"introduced": "7.0"
},
{
"last_affected": "7.0"
},
{
"introduced": "8.0"
},
{
"last_affected": "8.0"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2020-36328",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 430719,
"published_at": "2021-05-21T17:15:08.27+00:00"
}