Gnu Libidn

6 CVEs affecting Gnu Libidn. Latest disclosed: 2026-06-23. Critical: 0, High: 4.

Top CVEs affecting Gnu Libidn
CVESeverityScorePublishedSummary
CVE-2016-6263High7.52016-09-07The stringprep_utf8_nfkc_normalize function in lib/nfkc.c in libidn before 1.33 allows context-dependent attackers to cause a denial of service (out-of-bounds…
CVE-2016-6262High7.52016-09-07idn in libidn before 1.33 might allow remote attackers to obtain sensitive memory information by reading a zero byte as input, which triggers an out-of-bounds…
CVE-2016-6261High7.52016-09-07The idna_to_ascii_4i function in lib/idna.c in libidn before 1.33 allows context-dependent attackers to cause a denial of service (out-of-bounds read and crash…
CVE-2015-8948High7.52016-09-07idn in GNU libidn before 1.33 might allow remote attackers to obtain sensitive memory information by reading a zero byte as input, which triggers an out-of-bou…
CVE-2026-57053Medium4.02026-06-23GNU libidn before 1.44 is prone to out-of-bounds reads of uninitialized memory in the ToUnicode APIs because of mishandling in idna_to_unicode_internal. The af…
CVE-2015-20592015-08-12The stringprep_utf8_to_ucs4 function in libin before 1.31, as used in jabberd2, allows context-dependent attackers to read system memory and possibly have othe…