Critical
Security advisory
l8w8jwt 2.2.1 uses memcmp (which is not constant time) to verify authentication, which makes it easier to bypass authentication via a timing side channel.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2024-25190
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 5 Nov 2026, 02:05 UTC · Revision 1
Source evidence
l8w8jwt 2.2.1 uses memcmp (which is not constant time) to verify authentication, which makes it easier to bypass authentication via a timing side channel.
osv:CVE-2024-25190
Complete source record
{
"id": "962860ec4494b0af1b420184e1e75d8c9f07f8ebbae7f792cc9cc1e2b1cb6a78",
"url": "https://osv.dev/vulnerability/CVE-2024-25190",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2024-25190",
"summary": "l8w8jwt 2.2.1 uses memcmp (which is not constant time) to verify authentication, which makes it easier to bypass authentication via a timing side channel.",
"evidence": "osv:CVE-2024-25190",
"products": [],
"severity": "critical",
"structured": {
"id": "CVE-2024-25190",
"aliases": [
"CVE-2024-25190"
],
"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/glitchedpolygons/l8w8jwt",
"type": "GIT",
"events": [
{
"introduced": "824bb52799a8ea55a12c75af9280ed9c6f73ebf4"
},
{
"last_affected": "824bb52799a8ea55a12c75af9280ed9c6f73ebf4"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:glitchedpolygons:l8w8jwt:2.2.1:*:*:*:*:*:*:*",
"range": [
{
"introduced": "2.2.1"
},
{
"last_affected": "2.2.1"
}
],
"source": "CPE_STRING"
}
]
}
}
],
"versions": [
"2.2.1"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-25190.json"
}
}
],
"modified": "2026-10-28T02:30:41.274244770Z",
"provider": "osv",
"references": [
"https://github.com/P3ngu1nW/CVE_Request/blob/main/GlitchedPolygons%3Al8w8jwt.md",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/25xxx/CVE-2024-25190.json",
"https://nvd.nist.gov/vuln/detail/CVE-2024-25190"
],
"provider_metadata": {
"cna_assigner": "mitre",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/25xxx/CVE-2024-25190.json"
}
},
"related_cves": [
{
"value": "CVE-2024-25190",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 509135,
"published_at": "2024-02-08T00:00:00+00:00"
}