CVE-2025-4802: high-severity vulnerability in The GNU C Library glibc
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.8epss 0.6%
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:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected products
The GNU C Library · glibcRelated CVEs — The GNU C Library glibc
In the same product, most dangerous first.
CVE-2024-2961HIGHCVE-2024-2961EPSS 88.3%CVE-2024-33599HIGHnscd: Stack-based buffer overflow in netgroup cacheEPSS 1.3%CVE-2024-33600MEDIUMnscd: Null pointer crashes after notfound responseEPSS 1.2%CVE-2024-33601HIGHnscd: netgroup cache may terminate daemon on memory allocation failureEPSS 1.1%CVE-2026-0915HIGHgetnetbyaddr and getnetbyaddr_r leak stack contents to DNS resovlerEPSS 0.6%CVE-2026-5450CRITICALscanf %mc off-by-one heap buffer overflowEPSS 0.5%
References
https://lists.debian.org/debian-lts-announce/2025/05/msg00033.htmlhttps://sourceware.org/bugzilla/show_bug.cgi?id=32976https://sourceware.org/cgit/glibc/commit/?id=1e18586c5820e329f741d5c710275e165581380ehttp://www.openwall.com/lists/oss-security/2025/05/16/7http://www.openwall.com/lists/oss-security/2025/05/17/2