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Vulnerability record · CVE-2016-2224 · published 24 March 2017

CVE-2016-2224: Uclibc-ng project uclibc-ng uncontrolled resource consumption vulnerability

UUclibc Ng Project · Uclibc Ng

The __decode_dotted 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 vectors involving compressed items in a reply.

7.5 CVSS 3.0 High EPSS 2.8% · top 14.1% CWE-400 · Uncontrolled resource consumption
7.5CVSS 3.0 base score, v2 5.0
2.8%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
10References
17 Jun 2026Last modified by NVD

Description

The __decode_dotted 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 vectors involving compressed items in a reply.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://repo.or.cz/uclibc-ng.git/commit/d9c3a16dcab57d6b56225b9a67e9119cc9e2e4ac Issue TrackingPatchThird Party Advisory
http://www.openwall.com/lists/oss-security/2016/02/05/2 Mailing ListPatchThird Party Advisory
http://www.openwall.com/lists/oss-security/2016/02/05/3 Mailing ListPatchThird Party Advisory
http://www.securityfocus.com/bid/82903 Third Party AdvisoryVDB Entry
https://security-tracker.debian.org/tracker/CVE-2016-2224 Issue TrackingPatchThird Party Advisory
http://repo.or.cz/uclibc-ng.git/commit/d9c3a16dcab57d6b56225b9a67e9119cc9e2e4ac Issue TrackingPatchThird Party Advisory
http://www.openwall.com/lists/oss-security/2016/02/05/2 Mailing ListPatchThird Party Advisory
http://www.openwall.com/lists/oss-security/2016/02/05/3 Mailing ListPatchThird Party Advisory
http://www.securityfocus.com/bid/82903 Third Party AdvisoryVDB Entry
https://security-tracker.debian.org/tracker/CVE-2016-2224 Issue TrackingPatchThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2022-29503Uclibc memory buffer overflow vulnerabilityA memory corruption vulnerability exists in the libpthread linuxthreads functionality of uClibC 0.9.33.2 and uClibC-ng 1.0.40. Thread allocation can …EPSS 1.3%9.8CVE-2021-27419Uclibc-ng project uclibc-ng integer overflow vulnerabilityuClibc-ng versions prior to 1.0.37 are vulnerable to integer wrap-around in functions malloc-simple. This improper memory assignment can lead to arbi…EPSS 1.7%9.6CVE-2021-43523Uclibc cross-site scripting vulnerabilityIn uClibc and uClibc-ng before 1.0.39, incorrect handling of special characters in domain names returned by DNS servers via gethostbyname, getaddrinf…EPSS 3.1%7.5CVE-2016-2225Uclibc-ng project uclibc-ng uncontrolled resource consumption vulnerabilityThe __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 loo…EPSS 2.5%7.5CVE-2016-6264Uclibc vulnerabilityInteger signedness error in libc/string/arm/memset.S in uClibc and uClibc-ng before 1.0.16 allows context-dependent attackers to cause a denial of se…EPSS 2.7%6.5CVE-2022-30295Uclibc vulnerabilityuClibc-ng through 1.0.40 and uClibc through 0.9.33.2 use predictable DNS transaction IDs that may lead to DNS cache poisoning. This is related to a r…EPSS 12%7.5CVE-2026-28318SolarWinds Serv-U unauthenticated POST request denial of serviceSolarWinds Serv-U crashes when it receives a specially crafted POST request using Content-Encoding: deflate, and the crash occurs without authenticat…KEVEPSS 1.9%analysed7.5CVE-2026-45498Microsoft Defender antimalware platform uncontrolled resource consumption DoSCVE-2026-45498 is a denial of service flaw in the Microsoft Defender antimalware platform, classified as uncontrolled resource consumption (CWE-400).…KEVEPSS 1.3%analysed

Source: NIST National Vulnerability Database (record CVE-2016-2224), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.