Description
LibreSSL 2.9.1 through 3.2.1 has a heap-based buffer over-read in do_print_ex (called from asn1_item_print_ctx and ASN1_item_print).
References (3)
Core 3
Core References
Patch, Third Party Advisory x_refsource_misc
https://github.com/libressl-portable/portable/commit/17c88164016df821df2dff4b2b1291291ec4f28a
Exploit, Issue Tracking, Patch, Third Party Advisory x_refsource_misc
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=13914
Third Party Advisory x_refsource_misc
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/libressl/OSV-2020-1923.yaml
Scores
CVSS v3
7.1
EPSS
0.0022
EPSS Percentile
44.5%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
Details
CWE
CWE-125
Status
published
Products (1)
openbsd/libressl
2.9.1 - 3.2.1
Published
Jul 01, 2021
Tracked Since
Feb 18, 2026