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Gnu Libidn vulnerabilities
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gnu libidn
GNU libidn before 1.44 is prone to out-of-bounds reads of uninitialized memory in the ToUnicode...
CVE-2026-57053
Fix available
4.0 Medium
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gnu libidn2, siemens simatic s7-1500 cpu 1518-4 pn/dp mfp, simatic s7-1500 cpu 1518f-4 pn/dp mfp +1 more +3 more
GNU libidn2 before 2.2.0 fails to perform the roundtrip checks specified in RFC3490 Section 4.2...
CVE-2019-12290
Fix available
7.5 High
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gnu libidn2, siemens simatic s7-1500 cpu 1518-4 pn/dp mfp, simatic s7-1500 cpu 1518f-4 pn/dp mfp +1 more +3 more
idn2_to_ascii_4i in lib/lookup.c in GNU libidn2 before 2.1.1 has a heap-based buffer overflow via...
CVE-2019-18224
Fix available
9.8 Critical
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gnu libidn2
Integer overflow in the _isBidi function in bidi.c in Libidn2 before 2.0.4 allows remote...
CVE-2017-14061
9.8 Critical
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gnu libidn2, debian linux +1 more
Integer overflow in the decode_digit function in puny_decode.c in Libidn2 before 2.0.4 allows...
CVE-2017-14062
Fix available
9.8 Critical
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gnu libidn
The stringprep_utf8_nfkc_normalize function in lib/nfkc.c in libidn before 1.33 allows context...
CVE-2016-6263
Fix available
7.5 High
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gnu libidn, canonical ubuntu linux, opensuse leap +1 more +3 more
idn in libidn before 1.33 might allow remote attackers to obtain sensitive memory information by...
CVE-2016-6262
Fix available
7.5 High
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gnu libidn, canonical ubuntu linux, opensuse leap +2 more
The idna_to_ascii_4i function in lib/idna.c in libidn before 1.33 allows context-dependent...
CVE-2016-6261
Fix available
7.5 High
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gnu libidn, canonical ubuntu linux, opensuse leap +1 more +3 more
idn in GNU libidn before 1.33 might allow remote attackers to obtain sensitive memory information...
CVE-2015-8948
Fix available
7.5 High
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fedoraproject fedora, gnu libidn, opensuse +2 more
The stringprep_utf8_to_ucs4 function in libin before 1.31, as used in jabberd2, allows context...
CVE-2015-2059
Fix available
7.5 High