High
Security advisory
Untrusted LD_LIBRARY_PATH environment variable vulnerability in the GNU C Library version 2.27 to 2.38 allows attacker controlled loading of dynamically shared library in statically compiled setuid binaries that call dlopen (including internal dlopen calls after setlocale or calls to NSS functions such as getaddrinfo).
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2025-4802
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 3 Nov 2026, 11:20 UTC · Revision 1
Source evidence
Untrusted LD_LIBRARY_PATH environment variable vulnerability in the GNU C Library version 2.27 to 2.38 allows attacker controlled loading of dynamically shared library in statically compiled setuid binaries that call dlopen (including internal dlopen calls after setlocale or calls to NSS functions such as getaddrinfo).
osv:CVE-2025-4802
Complete source record
{
"id": "a10cedae82251ff194c3340210377c30089bacfb30c0e381e78f5b020cae3faa",
"url": "https://osv.dev/vulnerability/CVE-2025-4802",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2025-4802",
"summary": "Untrusted LD_LIBRARY_PATH environment variable vulnerability in the GNU C Library version 2.27 to 2.38 allows attacker controlled loading of dynamically shared library in statically compiled setuid binaries that call dlopen (including internal dlopen calls after setlocale or calls to NSS functions such as getaddrinfo).",
"evidence": "osv:CVE-2025-4802",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2025-4802",
"aliases": [
"CVE-2025-4802"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/bminor/glibc",
"type": "GIT",
"events": [
{
"introduced": "23158b08a0908f381459f273a984c6fd328363cb"
},
{
"last_affected": "36f2487f13e3540be9ee0fb51876b1da72176d3f"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "2.27"
},
{
"last_affected": "2.38"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"glibc-2.38",
"glibc-2.37",
"glibc-2.37.9000",
"glibc-2.36",
"glibc-2.36.9000",
"glibc-2.35",
"glibc-2.35.9000",
"glibc-2.34",
"glibc-2.34.9000",
"glibc-2.33",
"glibc-2.33.9000",
"glibc-2.32",
"glibc-2.32.9000",
"glibc-2.31",
"glibc-2.31.9000",
"changelog-ends-here",
"glibc-2.30",
"glibc-2.30.9000",
"glibc-2.29",
"glibc-2.29.9000",
"glibc-2.28",
"glibc-2.28.9000",
"glibc-2.27",
"glibc-2.27.9000"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-4802.json"
}
},
{
"ranges": [
{
"repo": "https://sourceware.org/git/glibc.git",
"type": "GIT",
"events": [
{
"introduced": "23158b08a0908f381459f273a984c6fd328363cb"
},
{
"last_affected": "36f2487f13e3540be9ee0fb51876b1da72176d3f"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "2.27"
},
{
"last_affected": "2.38"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"glibc-2.38",
"glibc-2.37",
"glibc-2.37.9000",
"glibc-2.36",
"glibc-2.36.9000",
"glibc-2.35",
"glibc-2.35.9000",
"glibc-2.34",
"glibc-2.34.9000",
"glibc-2.33",
"glibc-2.33.9000",
"glibc-2.32",
"glibc-2.32.9000",
"glibc-2.31",
"glibc-2.31.9000",
"changelog-ends-here",
"glibc-2.30",
"glibc-2.30.9000",
"glibc-2.29",
"glibc-2.29.9000",
"glibc-2.28",
"glibc-2.28.9000",
"glibc-2.27",
"glibc-2.27.9000"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-4802.json"
}
}
],
"modified": "2026-10-28T02:30:28.108812950Z",
"provider": "osv",
"references": [
"https://lists.debian.org/debian-lts-announce/2025/05/msg00033.html",
"https://sourceware.org/cgit/glibc/commit/?id=1e18586c5820e329f741d5c710275e165581380e",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/4xxx/CVE-2025-4802.json",
"https://nvd.nist.gov/vuln/detail/CVE-2025-4802",
"https://sourceware.org/bugzilla/show_bug.cgi?id=32976"
],
"provider_metadata": {
"cwe_ids": [
"CWE-426"
],
"cna_assigner": "glibc",
"unresolved_ranges": [
{
"extracted_events": [
{
"range": [
{
"introduced": "2.27"
},
{
"fixed": "2.39"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandardRange"
}
]
}
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/4xxx/CVE-2025-4802.json"
}
},
"related_cves": [
{
"value": "CVE-2025-4802",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 494902,
"published_at": "2025-05-16T19:32:50.586+00:00"
}