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Fencer Vulns
critical 9.8

CVE-2018-12699 json

finish_stab in stabs.c in GNU Binutils 2.30 allows attackers to cause a denial of service (heap-based buffer overflow) or possibly have uns…

published 2018-06-23 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-4652

cvss
9.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
4.5%
EPSS 4.5% chance of exploitation in 30 days, percentile 91%
public exploits
0
none known

Summary

finish_stab in stabs.c in GNU Binutils 2.30 allows attackers to cause a denial of service (heap-based buffer overflow) or possibly have unspecified other impact, as demonstrated by an out-of-bounds write of 8 bytes. This can occur during execution of objdump.

Patch / fix

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

debian advisories DEBIAN-CVE-2018-12699

  • 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-2018-12699

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 RHEL 8 2.30-125.el8_10

red hat advisories RHSA-2024:9689

  • binutils AlmaLinux 8 2.30-125.el8_10

almalinux advisories ALSA-2024:9689

  • binutils Rocky Linux 8 2.30-125.el8_10

rocky linux advisories RLSA-2024:9689

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-2018-12699 updated cvss 0.0

binutils: heap-based buffer overflow in finish_stab in stabs.c

  • Red Hat Enterprise Linux 5 binutils, binutils220 Red Hat Enterprise Linux 6 binutils Red Hat Enterprise Linux 7 binutils Red Hat Enterprise Linux 8 mingw-binutils, mingw32-binutils, mingw64-binutils, mingw-binutils-generic
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux AppStream (v. 8) binutils-devel 2.30-125.el8_10, binutils-debuginfo 2.30-125.el8_10, binutils-debugsource 2.30-125.el8_10 Red Hat Enterprise Linux BaseOS (v. 8) binutils 2.30-125.el8_10
    fixed: vendor fix RHSA-2024:9689

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

4.53% chance of exploitation in the next 30 days, higher than 91% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • bugs.launchpad.net https://bugs.launchpad.net/ubuntu/+source/binutils/+bug/1763102 referenced PoC, tagged "exploit" by a source, unverified
  • sourceware.org https://sourceware.org/bugzilla/show_bug.cgi?id=23057 referenced PoC, tagged "exploit" by a source, unverified
  • gcc.gnu.org https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85454 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/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.