Buffer overflow in Gnu Binutils

CVE-2018-17359

An issue was discovered in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.31. An invalid memory access exists in bfd_zalloc in opncls.c. Attackers could leverage this vulnerability to cause a denial of service (application crash) via a crafted ELF file.

Vulnerability class: Buffer Overflow

EPSS: 0.013 (67.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2018-17359?
CVE-2018-17359 is a medium-severity vulnerability in Gnu Binutils, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 5.5/10. Published 2018-09-23.
How severe is CVE-2018-17359?
Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2018-17359 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.