CVE-2017-14061

critical

Published 2017-08-31 · Modified 2026-05-13

CVSS v3

9.8

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

CVSS v2

7.5

VIR risk

9.8

Description

Integer overflow in the _isBidi function in bidi.c in Libidn2 before 2.0.4 allows remote attackers to cause a denial of service or possibly have unspecified other impact.

Predictions

Exploit likelihood

97%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2017-14061

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — https://gitlab.com/libidn/libidn2/commit/16853b6973a1e72fee2b7cccda85472cb9951305

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — https://gitlab.com/libidn/libidn2/blob/master/NEWS

OS impact

OS	Version	Status	Fixed in
debian	bookworm	fixed	`0`
debian	bullseye	fixed	`0`
debian	forky	fixed	`0`
debian	sid	fixed	`0`
debian	trixie	fixed	`0`

Application impact

Vendor	Product	Versions	Fixed
gnu	libidn2	`{"endIncluding":"2.0.3"}`

References

CWEs

CWE-190

Verify integrity in audit chain (admin only). AS-IS.