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).
The product reads data past the end, or before the beginning, of the intended buffer.
Link | Tags |
---|---|
https://github.com/libressl-portable/portable/commit/17c88164016df821df2dff4b2b1291291ec4f28a | third party advisory patch |
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=13914 | patch exploit third party advisory issue tracking |
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/libressl/OSV-2020-1923.yaml | third party advisory |