VulnerabilityModified
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.
MEDIUM 6.5EPSS 0.79%
Does this matter?
Lower severity and a low EPSS score (0.79%). Track it; it rarely justifies an emergency change on its own.
Description
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.
- CVSS 3.1
- 6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- EPSS
- 0.79% probability · 54th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-476
- Affected
- libdwarf project/libdwarf
- Source
- cve@mitre.org
References
- http://web.archive.org/web/20190601140703/https://sourceforge.net/projects/libdwarf/Product
- https://bugzilla.redhat.com/show_bug.cgi?id=2026000Issue Tracking, Permissions Required, Third Party Advisory
- https://github.com/davea42/libdwarf-code/commit/faf99408e3f9f706fc3809dd400e831f989778d3Patch
- https://www.prevanders.net/dwarfbug.html#DW202010-003Third Party Advisory
- http://web.archive.org/web/20190601140703/https://sourceforge.net/projects/libdwarf/Product
- https://bugzilla.redhat.com/show_bug.cgi?id=2026000Issue Tracking, Permissions Required, Third Party Advisory
- https://github.com/davea42/libdwarf-code/commit/faf99408e3f9f706fc3809dd400e831f989778d3Patch
- https://www.prevanders.net/dwarfbug.html#DW202010-003Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.