webkit2gtk3: Fix of 4 CVEs
- CVE-2025-13502: fix out of bounds read and integer underflow by adding bounds checking and validating message delimiters - CVE-2025-43430: fix bbq jit compiler writing to wrong stack slots in wasm try/catch blocks - CVE-2025-43421: fix memory handling issues that cause unexpected process crashes by disabling array allocation sinking in JS JIT - CVE-2025-66287: fix process crash from malicious png/apng files with excessive data
- Products
- webkit2gtk3, webkit2gtk3-devel, webkit2gtk3-jsc, webkit2gtk3-jsc-devel
- Affected versions
- Not specified
- Fixed versions
- 2.50.1-1.el9.tuxcare.els4
- CVEs
- CVE-2025-13502, CVE-2025-43421, CVE-2025-43430, CVE-2025-66287
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 13:50 UTC · Revision 1
Source evidence
- CVE-2025-13502: fix out of bounds read and integer underflow by adding bounds checking and validating message delimiters - CVE-2025-43430: fix bbq jit compiler writing to wrong stack slots in wasm try/catch blocks - CVE-2025-43421: fix memory handling issues that cause unexpected process crashes by disabling array allocation sinking in JS JIT - CVE-2025-66287: fix process crash from malicious png/apng files with excessive data
osv:CLSA-2025-1765986482
webkit2gtk3
Fixed versions: 2.50.1-1.el9.tuxcare.els4
webkit2gtk3-devel
Fixed versions: 2.50.1-1.el9.tuxcare.els4
webkit2gtk3-jsc
Fixed versions: 2.50.1-1.el9.tuxcare.els4
webkit2gtk3-jsc-devel
Fixed versions: 2.50.1-1.el9.tuxcare.els4
Complete source record
{
"id": "0b376f08c65d2a9b323520a95e6c3fceb249c53d445c0a11d74d8480870db8c5",
"url": "https://osv.dev/vulnerability/CLSA-2025-1765986482",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "webkit2gtk3: Fix of 4 CVEs",
"summary": "- CVE-2025-13502: fix out of bounds read and integer underflow by adding bounds checking and validating message delimiters - CVE-2025-43430: fix bbq jit compiler writing to wrong stack slots in wasm try/catch blocks - CVE-2025-43421: fix memory handling issues that cause unexpected process crashes by disabling array allocation sinking in JS JIT - CVE-2025-66287: fix process crash from malicious png/apng files with excessive data",
"evidence": "osv:CLSA-2025-1765986482",
"products": [
{
"name": {
"value": "webkit2gtk3",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.50.1-1.el9.tuxcare.els4",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "webkit2gtk3-devel",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.50.1-1.el9.tuxcare.els4",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "webkit2gtk3-jsc",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.50.1-1.el9.tuxcare.els4",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "webkit2gtk3-jsc-devel",
"evidence": "/affected/3/package/name"
},
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"fixed_versions": [
{
"value": "2.50.1-1.el9.tuxcare.els4",
"evidence": "/affected/3/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "CLSA-2025-1765986482",
"aliases": [
"CLSA-2025-1765986482"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
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}
]
}
],
"package": {
"name": "webkit2gtk3",
"purl": "pkg:rpm/tuxcare/webkit2gtk3?distro=almalinux-9.2",
"ecosystem": "TuxCare:AlmaLinux:9.2"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2025-1765986482.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
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},
{
"fixed": "2.50.1-1.el9.tuxcare.els4"
}
]
}
],
"package": {
"name": "webkit2gtk3-devel",
"purl": "pkg:rpm/tuxcare/webkit2gtk3-devel?distro=almalinux-9.2",
"ecosystem": "TuxCare:AlmaLinux:9.2"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2025-1765986482.json"
}
},
{
"ranges": [
{
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{
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}
]
}
],
"package": {
"name": "webkit2gtk3-jsc",
"purl": "pkg:rpm/tuxcare/webkit2gtk3-jsc?distro=almalinux-9.2",
"ecosystem": "TuxCare:AlmaLinux:9.2"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2025-1765986482.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.50.1-1.el9.tuxcare.els4"
}
]
}
],
"package": {
"name": "webkit2gtk3-jsc-devel",
"purl": "pkg:rpm/tuxcare/webkit2gtk3-jsc-devel?distro=almalinux-9.2",
"ecosystem": "TuxCare:AlmaLinux:9.2"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2025-1765986482.json"
}
}
],
"modified": "2026-10-21T10:46:30.295734242Z",
"provider": "osv",
"upstream": [
"CVE-2025-13502",
"CVE-2025-43421",
"CVE-2025-43430",
"CVE-2025-66287"
],
"references": [
"https://errata.tuxcare.com/els_os/almalinux9.2esu/CLSA-2025-1765986482.html"
]
},
"related_cves": [
{
"value": "CVE-2025-13502",
"evidence": "/upstream"
},
{
"value": "CVE-2025-43421",
"evidence": "/upstream"
},
{
"value": "CVE-2025-43430",
"evidence": "/upstream"
},
{
"value": "CVE-2025-66287",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 392239,
"published_at": "2025-12-17T15:48:06+00:00"
}