CVE-2016-2225

Severity: high (CVSS 7.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2017-03-24 · updated 2026-06-17
Weakness: CWE-400

Description

The __read_etc_hosts_r function in libc/inet/resolv.c in uClibc-ng before 1.0.12 allows remote DNS servers to cause a denial of service (infinite loop) via a crafted packet.

Affected products

uClibC-ng: through 1.0.11

References

http://repo.or.cz/uclibc-ng.git/commit/6932f2282ba0578d6ca2f21eead920d6b78bc93c
http://www.openwall.com/lists/oss-security/2016/02/05/2
http://www.openwall.com/lists/oss-security/2016/02/05/3
http://www.securityfocus.com/bid/82903
https://security-tracker.debian.org/tracker/CVE-2016-2225
http://repo.or.cz/uclibc-ng.git/commit/6932f2282ba0578d6ca2f21eead920d6b78bc93c
http://www.openwall.com/lists/oss-security/2016/02/05/2
http://www.openwall.com/lists/oss-security/2016/02/05/3
http://www.securityfocus.com/bid/82903
https://security-tracker.debian.org/tracker/CVE-2016-2225

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