NULL pointer dereference in Libdwarf Project
CVE-2020-28163
libdwarf before 20201201 allows a dwarf_print_lines.c NULL pointer dereference and application crash via a DWARF5 line-table header that has an invalid FORM for a pathname.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.008 (54.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 54.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000
Affected products
Weakness classification (CWE)
References
- github.com/davea42/libdwarf-code/commit/faf99408e3f9f706fc3809dd400e831f989778d3 (Patch)
- www.prevanders.net/dwarfbug.html (Third Party Advisory)
- web.archive.org/web/20190601140703/https://sourceforge.net/projects/libdwarf/ (Product)
- bugzilla.redhat.com/show_bug.cgi (Permissions Required, Third Party Advisory, Issue Tracking)
Frequently asked questions
- What is CVE-2020-28163?
- CVE-2020-28163 is a medium-severity vulnerability in Libdwarf Project, classified under NULL Pointer Dereference. CVSS score: 6.5/10. Published 2023-04-16.
- How severe is CVE-2020-28163?
- Medium severity. CVSS v3 base score is 6.5 out of 10.