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MIT Kerberos 5 (aka krb5) before 1.17.2 and 1.18.x before 1.18.3 allows unbounded recursion via an ASN.1-encoded Kerberos message because the lib/krb5/asn.1/asn1_encode.c support for BER indefinite lengths lacks a recursion limit.

Exact source revision recorded 23 Oct 2026 15:48:27 UTC. It does not establish the source's current position. Latest evidence.

cve-program · CVE-2020-28196

Published

MIT Kerberos 5 (aka krb5) before 1.17.2 and 1.18.x before 1.18.3 allows unbounded recursion via an ASN.1-encoded Kerberos message because the lib/krb5/asn.1/asn1_encode.c support for BER indefinite lengths lacks a recursion limit.

Source published
6 Nov 2020 07:07:38 UTC
Source modified
14 Oct 2026 09:40:02 UTC
Observed here
23 Oct 2026 15:48:27 UTC
Source terms
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Sources read 10 Nov 04:43 UTC · 275 of 275 readable · 273 fully read · documentation 469/469 current