Integer overflow in Gnu Libidn2
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.
Vulnerability class: Integer Overflow
EPSS: 0.040 (89.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Gnu Libidn2
- Debian Debian_linux — versions 8.0, 9.0, 10.0
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- cve@mitre.org (x_refsource_CONFIRM, Third Party Advisory, Release Notes)
- cve@mitre.org (x_refsource_CONFIRM, Patch, Third Party Advisory)
- cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2017-14062?
- CVE-2017-14062 is a critical-severity vulnerability in Gnu Libidn2, classified under Integer Overflow or Wraparound. CVSS score: 9.8/10. Published 2017-08-31.
- How severe is CVE-2017-14062?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2017-14062 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.