https://bugzilla.redhat.com/show_bug.cgi?id=1790845
Bug ID: 1790845 Summary: CVE-2019-20352 nasm: heap-based buffer over-read in set_text_free when called from expand_one_smacro in asm/preproc.c Product: Security Response Hardware: All OS: Linux Status: NEW Component: vulnerability Keywords: Security Severity: high Priority: high Assignee: security-response-team@redhat.com Reporter: mrehak@redhat.com CC: dominik@greysector.net, fdc@fcami.net, i.gnatenko.brain@gmail.com, java-sig-commits@lists.fedoraproject.org, mizdebsk@redhat.com, nickc@redhat.com, pbonzini@redhat.com Target Milestone: --- Classification: Other
In Netwide Assembler (NASM) 2.15rc0, a heap-based buffer over-read occurs (via a crafted .asm file) in set_text_free when called from expand_one_smacro in asm/preproc.c.
Upstream Issue:
https://bugzilla.nasm.us/show_bug.cgi?id=3392636