7.8

CVE-2018-19931: canonical ubuntu_linux Out-of-bounds Write

CVSS: 7.8v3.1HighModified
AliasesALPINE-CVE-2018-19931UBUNTU-CVE-2018-19931DEBIAN-CVE-2018-19931
Published 07-12-2018Last modified 05-08-2024

Vulnerability summary

CVE-2018-19931 is a high (CVSS 7.8) Out-of-bounds Write vulnerability in canonical ubuntu_linux. EPSS estimates a 1.61% chance of exploitation in the next 30 days, higher than 75.4% of scored vulnerabilities.

Overall risk
32/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (NVD)
EPSS score
1.61%
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 8 · Related 8

Timeline

  1. 07-12-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

An issue was discovered in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils through 2.31. There is a heap-based buffer overflow in bfd_elf32_swap_phdr_in in elfcode.h because the number of program headers is not restricted.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

1.61%

Chance of exploitation in the next 30 days

Percentile

75%

Versus all other CVEs

30-day change

0.00 pp

From 1.61% on 18-09-2026

18-09-202618-10-2026
EPSS score
1.61%

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< 2.32-r0
Canonical1 product
Debian1 product
  • binutils< 2.32.51.20190707-1
Gnu1 product
Netapp1 product
Ubuntu1 product
  • binutilsAll versions (No fix recorded) | < 2.26.1-1ubuntu1~16.04.8+esm1 | < 2.30-21ubuntu1~18.04.3

6 vendors · 6 products

References

14 links
Show all 14 references