CVE-2017-14062
9.8
CRITICAL · CVSS 3.1 · EPSS 3.9% (pctl 90)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
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.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 3.89% — more likely to be exploited than 90% of all CVEs |
| Weakness | CWE-190 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2017-08-31 |
| Last modified | 2026-06-17 |
Affected (2)
| Vendor | Product |
|---|---|
| debian | debian linux |
| gnu | libidn2 |
References
- http://www.debian.org/security/2017/dsa-3988
- https://gitlab.com/libidn/libidn2/blob/master/NEWS
- https://gitlab.com/libidn/libidn2/commit/3284eb342cd0ed1a18786e3fcdf0cdd7e76676bd
- https://lists.debian.org/debian-lts-announce/2018/07/msg00040.html
- http://www.debian.org/security/2017/dsa-3988
- https://gitlab.com/libidn/libidn2/blob/master/NEWS
- https://gitlab.com/libidn/libidn2/commit/3284eb342cd0ed1a18786e3fcdf0cdd7e76676bd
- https://lists.debian.org/debian-lts-announce/2018/07/msg00040.html
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