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Fencer Vulns
high 7.8

CVE-2018-19931 json

An issue was discovered in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils through 2.31.

published 2018-12-07 7 y ago modified 2026-06-17 4 mo ago also EUVD-2018-11603

cvss
7.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.6%
EPSS 1.6% chance of exploitation in 30 days, percentile 76%
public exploits
0
none known

Summary

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.

Patch / fix

  • binutils Debian 14, Debian 13, Debian 12 2.32.51.20190707-1

debian advisories DEBIAN-CVE-2018-19931

  • binutils Ubuntu 18.04 LTS 2.30-21ubuntu1~18.04.3
  • binutils Ubuntu Pro 16.04 LTS 2.26.1-1ubuntu1~16.04.8+esm1

ubuntu advisories UBUNTU-CVE-2018-19931

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • binutils SLE Module for Package Hub 15, SLE Module for Development Tools 15, SLE Module for Basesystem 15 2.32-6.8.1
  • binutils SLE Module for Package Hub 15 SP1, SLE Module for Development Tools 15 SP1, SLE Module for Basesystem 15 SP1 2.32-7.5.1
  • binutils SLES for SAP 12 SP5, SLES for SAP 12 SP4, SLES for SAP 12 SP3 +18 more 2.32-9.33.1
  • cross-ppc-binutils SLE Software Development Kit 12 SP5, SLE Software Development Kit 12 SP4 2.32-9.33.1
  • cross-spu-binutils SLE Software Development Kit 12 SP5, SLE Software Development Kit 12 SP4 2.32-9.33.1

suse advisories SUSE-SU-2019:2780-1SUSE-SU-2019:2779-1SUSE-SU-2019:2650-1

  • binutils openSUSE Tumbleweed 2.37-1.3
  • binutils openSUSE Leap 15.1 2.32-lp151.3.3.1
  • cross-rx-binutils openSUSE Leap 15.1 2.32-lp151.3.3.1
  • cross-arm-binutils openSUSE Leap 15.1 2.32-lp151.3.3.1
  • cross-avr-binutils openSUSE Leap 15.1 2.32-lp151.3.3.1
  • cross-ppc-binutils openSUSE Leap 15.1 2.32-lp151.3.3.1
  • cross-spu-binutils openSUSE Leap 15.1 2.32-lp151.3.3.1
  • cross-hppa-binutils openSUSE Leap 15.1 2.32-lp151.3.3.1

opensuse advisories openSUSE-SU-2024:10651-1openSUSE-SU-2019:2432-1openSUSE-SU-2019:2415-1

  • binutils Alpine 3.24, Alpine 3.23, Alpine 3.22 +12 more 2.32-r0
  • binutils-avr Alpine 3.12, Alpine 3.11 2.32-r0

alpine advisories ALPINE-CVE-2018-19931

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • binutils Arch Linux 2.32-1

arch linux advisories AVG-832

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2018-19931 updated cvss 3.3

binutils: Heap-based buffer overflow in bfd_elf32_swap_phdr_in function resulting in a denial of service

  • Red Hat Enterprise Linux 5 binutils, binutils220 Red Hat Enterprise Linux 6 binutils
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux 7 binutils Red Hat Enterprise Linux 8 binutils, mingw-binutils, mingw32-binutils, mingw64-binutils, mingw-binutils-generic
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.61% chance of exploitation in the next 30 days, higher than 76% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.