NULL pointer dereference in GNU Binutils
CVE-2020-16593
A Null Pointer Dereference vulnerability exists in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.35, in scan_unit_for_symbols, as demonstrated in addr2line, that can cause a denial of service via a crafted file.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.012 (66.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 67th percentile — 66.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: +0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- sourceware.org/bugzilla/show_bug.cgi (Exploit, Third Party Advisory, Issue Tracking)
- sourceware.org/git/gitweb.cgi
- security.netapp.com/advisory/ntap-20210122-0003/ (Third Party Advisory)
Frequently asked questions
- What is CVE-2020-16593?
- CVE-2020-16593 is a medium-severity vulnerability in GNU Binutils, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2020-12-09.
- How severe is CVE-2020-16593?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2020-16593 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.