CVE-2017-14062
Integer overflow in the decode_digit function in puny_decode.c in Libidn2 before 2.0.4 allows remote attackers to cause a denial of service or possibly have unspecified other impact.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.89%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Integer overflow in the decode_digit function in puny_decode.c in Libidn2 before 2.0.4 allows remote attackers to cause a denial of service or possibly have unspecified other impact.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 3.89% probability · 90th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-190
- Affected
- gnu/libidn2 · debian/debian linux
- Source
- cve@mitre.org
EPSS 3.9% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://www.debian.org/security/2017/dsa-3988Third Party Advisory
- https://gitlab.com/libidn/libidn2/blob/master/NEWSRelease Notes, Third Party Advisory
- https://gitlab.com/libidn/libidn2/commit/3284eb342cd0ed1a18786e3fcdf0cdd7e76676bdPatch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/07/msg00040.htmlMailing List, Third Party Advisory
- http://www.debian.org/security/2017/dsa-3988Third Party Advisory
- https://gitlab.com/libidn/libidn2/blob/master/NEWSRelease Notes, Third Party Advisory
- https://gitlab.com/libidn/libidn2/commit/3284eb342cd0ed1a18786e3fcdf0cdd7e76676bdPatch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/07/msg00040.htmlMailing List, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.