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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.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade libidnUpgrade libidn2-0 | Oct 2, 2017 | Aug 31, 2017 |
| Gentoo Linux | — | Upgrade sys-libs/glibc. | Apr 5, 2018 | Aug 31, 2017 |
| Huawei Euleros 2_0_sp2 | — | Upgrade libidn | Nov 3, 2020 | Aug 31, 2017 |
| Huawei Euleros 2_0_sp3 | — | Upgrade libidn | Jan 20, 2021 | Aug 31, 2017 |
| Huawei Euleros 2_0_sp5 | — | Upgrade libidn | Nov 2, 2020 | Aug 31, 2017 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Aug 30, 2017 |
| Suse | — | Upgrade libidn-x86Upgrade libidn-develUpgrade libidn-toolsUpgrade libidn11-32bitUpgrade libidn-32bitUpgrade libidnUpgrade libidn11 | Apr 6, 2018 | Aug 31, 2017 |
| Ubuntu | — | Upgrade libidn2-0Upgrade libidn2-0 (Ubuntu Pro)Upgrade idn2 (Ubuntu Pro)Upgrade idn2Upgrade libidn11 | Sep 19, 2017 | Aug 31, 2017 |
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