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Vulnerabilities / CVE-2017-14062

critical

CVE-2017-14062

libidn2: Integer overflow in puny_decode.c/decode_digit

Published Modified CWE 190
In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Red Hat3.3CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

Trivy's own label is CRITICAL. Rated critical by NVD. Rated lower by Ubuntu (medium), Red Hat (low).

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.

Affected packages and fixed versions

SourcePackageFixed in
debian 11libidn1.33-2
debian 12libidn1.33-2
debian 13libidn1.33-2
debian 14libidn1.33-2
debian 7libidn, libidn2-01.25-2+deb7u3 and 1 more
debian 8libidn, libidn2-01.29-1+deb8u3 and 1 more
debian 9libidn, libidn2-01.33-1+deb9u1 and 1 more
echolibidn1.33-2
Red Hatemacs-libidn, libidn, libidn-develno fix listed
ubuntu 14.04libidn1.28-1ubuntu2.2
ubuntu 14.04-ESMlibidn, libidn2-01.28-1ubuntu2.2 and 1 more
ubuntu 16.04libidn1.32-3ubuntu1.2
Show all 22 entries from 14 sources
SourcePackageFixed in
debian 11libidn1.33-2
debian 12libidn1.33-2
debian 13libidn1.33-2
debian 14libidn1.33-2
debian 7libidn1.25-2+deb7u3
debian 7libidn2-00.8-2+deb7u1
debian 8libidn1.29-1+deb8u3
debian 8libidn2-00.10-2+deb8u1
debian 9libidn1.33-1+deb9u1
debian 9libidn2-00.16-1+deb9u1
echolibidn1.33-2
Red Hatemacs-libidnno fix listed
Red Hatlibidnno fix listed
Red Hatlibidn-develno fix listed
ubuntu 14.04libidn1.28-1ubuntu2.2
ubuntu 14.04-ESMlibidn1.28-1ubuntu2.2
ubuntu 14.04-ESMlibidn2-00.9-1ubuntu0.1~esm1
ubuntu 16.04libidn1.32-3ubuntu1.2
ubuntu 16.04-ESMlibidn1.32-3ubuntu1.2
ubuntu 16.04-ESMlibidn2-00.10-3ubuntu0.1~esm1
ubuntu 17.04libidn1.33-1ubuntu0.1
ubuntu 17.04libidn2-00.16-1ubuntu0.1

References

All 11 references

Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.