CVE-2017-14062
critical
CVSS v3
9.8
CVSS v4 NEW
—
VIR risk
9.8
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.
Predictions
Exploit likelihood
97%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
SUSE Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| — | Affected | — |
Debian Mixed 8 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 1.33-2 |
| sid | Fixed | 1.33-2 |
| forky | Fixed | 1.33-2 |
| bullseye | Fixed | 1.33-2 |
| bookworm | Fixed | 1.33-2 |
| 10.0 | Affected | — |
| 9.0 | Affected | — |
| 8.0 | Affected | — |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| gnu | libidn2 | {"endExcluding":"2.0.4"} | 2.0.4 |
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
- https://www.suse.com/security/cve/CVE-2017-14062.html
- https://security-tracker.debian.org/tracker/CVE-2017-14062
CWEs
CWE-190
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.