What is CVE-2018-7568?

CVE-2018-7568 is a medium-severity vulnerability in GNU Binutils, classified under Integer Overflow or Wraparound. CVSS score: 5.5/10. Published 2018-02-28.

How severe is CVE-2018-7568?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Is CVE-2018-7568 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Integer overflow in GNU Binutils

CVE-2018-7568

The parse_die function in dwarf1.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.30, allows remote attackers to cause a denial of service (integer overflow and application crash) via an ELF file with corrupt dwarf1 debug information, as demonstrated by nm.

Vulnerability class: Integer Overflow

Published 2018-02-28 · last modified 2026-06-17.

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.

EPSS exploit prediction

EPSS: 0.019 (79.1th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 79th percentile — 79.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.019 · newest: 0.019 · change: 0.000

Affected products

GNU Binutils — versions 2.30
Red Hat Enterprise Linux Desktop — versions 7.0
Red Hat Enterprise Linux Server — versions 7.0
Red Hat Enterprise Linux Workstation — versions 7.0

Weakness classification (CWE)

CWE-190 — Integer Overflow or Wraparound

Public proof-of-concept exploits

andir/nixos-issue-db-example

References

sourceware.org/bugzilla/show_bug.cgi (Exploit, Patch, Third Party Advisory, Issue Tracking)
access.redhat.com/errata/RHSA-2018:3032 (vendor-advisory, Third Party Advisory)
security.gentoo.org/glsa/201811-17 (vendor-advisory, Third Party Advisory)
access.redhat.com/errata/RHBA-2019:0327 (vendor-advisory, Third Party Advisory)
lists.opensuse.org/opensuse-security-announce/2019-10/msg00072.html (vendor-advisory)
lists.opensuse.org/opensuse-security-announce/2019-11/msg00008.html (vendor-advisory)

Frequently asked questions

What is CVE-2018-7568?: CVE-2018-7568 is a medium-severity vulnerability in GNU Binutils, classified under Integer Overflow or Wraparound. CVSS score: 5.5/10. Published 2018-02-28.
How severe is CVE-2018-7568?: Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2018-7568 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.