CVE-2020-28196
HIGH7.5EPSS 0.95%krb5 - security update
Published: 11/6/2020Modified: 12/3/2025
Also known as:ALPINE-CVE-2020-28196DEBIAN-CVE-2020-28196
Description
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.
Affected packages (4)
- Alpine/krb5from 0, < 1.17.2-r0
- Debian/krb5from 0, < 1.18.3-1
- Debian/krb5from 0, < 1.15-1+deb9u2
- Debian/krb5from 0, < 1.17-3+deb10u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |