In elfutils 0.175, a negative-sized memcpy is attempted in elf_cvt_note in libelf/note_xlate.h because of an incorrect overflow check. Crafted elf input causes a segmentation fault, leading to denial of service (program crash).
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7664
Reference (s):
- https://sourceware.org/bugzilla/show_bug.cgi?id=24084
- REDHAT:RHSA-2019:2197
- URL: https://access.redhat.com/errata/RHSA-2019:2197
- REDHAT:RHSA-2019:3575
- URL: https://access.redhat.com/errata/RHSA-2019:3575