LibreSSL 2.9.1 through 3.2.1 has an out-of-bounds read in asn1_item_print_ctx (called from asn1_template_print_ctx).
https://github.com/libressl-portable/portable/commit/17c88164016df821df2dff4b2b1291291ec4f28a
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/libressl/OSV-2020-1965.yaml
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=13920
Source: Mitre, NVD
Published: 2021-07-01
Updated: 2026-06-17
Base Score: 5.8
Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:N/A:P
Severity: Medium
Base Score: 7.1
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
Severity: High
EPSS: 0.00221