CVE-2016-2224
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.
02 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.
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 2.79% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 86.3% of scored records. A rank, not a probability.
- NVD base score
- 7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2017-03-24 15:00Z9 YR AGO
- Last updated
- 2024-08-05 23:24Z2 YR AGO
- Reserved
- 2016-02-05
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-400Uncontrolled Resource ConsumptionClass
- Data version
- 5.1
- Document digest
- 2932491971a0e6b66d6fdc063bb775f3808438a13c5f747bdc4f2e0aac2fdfaa
05 Affected products
06 References
- www.securityfocus.com82903http://www.securityfocus.com/bid/82903
- www.openwall.com[oss-security] 20160205 CVE Request uclibc-ng dns resolver issueshttp://www.openwall.com/lists/oss-security/2016/02/05/2
- security-tracker.debian.orghttps://security-tracker.debian.org/tracker/CVE-2016-2224
- repo.or.czhttp://repo.or.cz/uclibc-ng.git/commit/d9c3a16dcab57d6b56225b9a67e9119cc9e2e4ac
- www.openwall.com[oss-security] 20160205 Re: CVE Request uclibc-ng dns resolver issueshttp://www.openwall.com/lists/oss-security/2016/02/05/3
07 Fixed in
Debian 12
- uclibc Fixed in 1.0.20-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- uclibc Fixed in 1.0.20-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- uclibc Fixed in 1.0.20-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.