CVE-2025-4802: gnu glibc Untrusted Search Path
Vulnerability summary
CVE-2025-4802 is a high (CVSS 7.8) Untrusted Search Path vulnerability in gnu glibc. EPSS estimates a 0.59% chance of exploitation in the next 30 days, higher than 47.2% of scored vulnerabilities. 1 public exploit is recorded.
Advisory lineage
Upstream 0 · Downstream 1 · Related 1Timeline
- 16-05-2025PublishedVulnerability first disclosed.
- 26-02-2026Last modifiedVulnerability information updated.
Description
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).
CVSS metrics
5 scores · 5 sources · 1 version- OSV · Red hatEcosystem advisory · calculated7.0HighCVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:HDiffers
- OSV · UbuntuEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- NVDNIST7.8HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.59%
Chance of exploitation in the next 30 days
Percentile
47%
Versus all other CVEs
30-day change
+0.04 pp
From 0.56% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (openwall.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Redhat194 products
- compat-libpthread-nonshared< 0:2.28-251.el8_10.22
- glibc< 0:2.17-326.el7_9.5 | < 0:2.17-292.el7_7.3 | < 0:2.34-168.el9_6.19 | < 0:2.28-251.el8_10.22 | < 0:2.34-100.el9_4.12
- glibc-all-langpacks< 0:2.34-168.el9_6.19 | < 0:2.28-251.el8_10.22 | < 0:2.34-100.el9_4.12
- glibc-all-langpacks-debuginfo< 0:2.28-251.el8_10.22
- glibc-benchtests< 0:2.34-168.el9_6.19 | < 0:2.28-251.el8_10.22 | < 0:2.34-100.el9_4.12
Opensuse2 products
- glibc&distro=openSUSE Leap 15.6< 2.38-150600.14.32.1
- kumactl&distro=openSUSE Tumbleweed< 2.12.3-1.1
Debian1 product
- glibc< 2.36-9+deb12u11 | < 2.39-4 | < 2.31-13+deb11u13
Gnu1 product
- glibc≥ 2.27, ≤ 2.38
Mageia1 product
- glibc< 2.36-56.mga9
Ubuntu1 product
- glibc< 2.27-3ubuntu1.6+esm5 | < 2.31-0ubuntu9.18 | < 2.35-0ubuntu3.10
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