5.5

CVE-2018-6759: gnu binutils Improper Input Validation

CVSS: 5.5v3.0MediumModified
AliasesALPINE-CVE-2018-6759UBUNTU-CVE-2018-6759DEBIAN-CVE-2018-6759
Published 06-02-2018Last modified 05-08-2024

Vulnerability summary

CVE-2018-6759 is a medium (CVSS 5.5) Improper Input Validation vulnerability in gnu binutils. EPSS estimates a 2.09% chance of exploitation in the next 30 days, higher than 81.3% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.0 (NVD)
EPSS score
2.09%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 10 · Related 9

Timeline

  1. 06-02-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

The bfd_get_debug_link_info_1 function in opncls.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.30, has an unchecked strnlen operation. Remote attackers could leverage this vulnerability to cause a denial of service (segmentation fault) via a crafted ELF file.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

2.09%

Chance of exploitation in the next 30 days

Percentile

81%

Versus all other CVEs

30-day change

0.00 pp

From 2.09% on 19-09-2026

19-09-202619-10-2026
EPSS score
2.09%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Alpine1 product
  • binutils< 2.30-r2 | < 2.30-r6
Debian1 product
  • binutils< 2.30-3
Gnu1 product
Ubuntu1 product
  • binutilsAll versions (No fix recorded) | < 2.26.1-1ubuntu1~16.04.8+esm1

4 vendors · 4 products

References

10 links