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Fencer Vulns
medium 5.0

CVE-2026-6845 json

Binutils: binutils: denial of service via crafted elf file

published 2026-04-22 6 mo ago modified 2026-11-06 3 d ago also EUVD-2026-24712

cvss
5.0
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.1%
EPSS 0.1% chance of exploitation in 30 days, percentile 3%
public exploits
0
none known

Summary

A flaw was found in binutils, specifically within the `readelf` utility. This vulnerability allows a local attacker to cause a Denial of Service (DoS) by tricking a user into processing a specially crafted Executable and Linkable Format (ELF) file. The exploitation of this flaw can lead to the system becoming unresponsive due to excessive resource consumption or a program crash.

Patch / fix

  • Red Hat Red Hat Hardened Images 2.45.1-5.2.hum1, 2.46.1-1.hum1
  • binutils hummingbird 1 2.46.1-1.hum1
  • binutils-gold hummingbird 1 2.46.1-1.hum1
  • binutils-gprofng hummingbird 1 2.46.1-1.hum1
  • binutils hummingbird 1 2.45.1-5.2.hum1
  • binutils-gold hummingbird 1 2.45.1-5.2.hum1
  • binutils-gprofng hummingbird 1 2.45.1-5.2.hum1

red hat advisories RHSA-2026:39022RHSA-2026:34924

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-2026-6845 updated cvss 5.0

binutils: Binutils: Denial of Service via crafted ELF file

  • Red Hat Enterprise Linux 6 binutils Red Hat Enterprise Linux 7 gdb, binutils, gdb-gdbserver Red Hat Enterprise Linux 8 gdb, binutils, gdb-headless, gdb-gdbserver, mingw-binutils, mingw32-binutils, +10 more Red Hat Enterprise Linux 9 gdb, binutils, gdb-minimal, gdb-headless, binutils-gold, gdb-gdbserver, +10 more Red Hat Enterprise Linux 10 gdb, binutils, mingw-binutils, mingw32-binutils, mingw64-binutils, gcc-toolset-15-binutils Red Hat OpenShift Container Platform 4 openshift/ose-rhel-coreos-8, openshift/ose-rhel-coreos-9
    affected: workaround, no fix available “Fix deferred”
  • Red Hat OpenShift AI (RHOAI) rhoai/odh-dashboard-rhel9
    under investigation
  • Red Hat Hardened Images binutils 2.46.1-1.hum1, binutils 2.45.1-5.2.hum1, binutils-gold 2.46.1-1.hum1, binutils-gold 2.45.1-5.2.hum1, binutils-gprofng 2.46.1-1.hum1, binutils-gprofng 2.45.1-5.2.hum1
    fixed: vendor fix RHSA-2026:34924

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

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
6 mo ago

Exploit prediction

0.15% chance of exploitation in the next 30 days, higher than 3% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 5.0 CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H

Affected products

  • Red Hat Red Hat Hardened Images
  • Red Hat Red Hat Enterprise Linux 10
  • Red Hat Red Hat Enterprise Linux 6
  • Red Hat Red Hat Enterprise Linux 7
  • Red Hat Red Hat Enterprise Linux 8
  • Red Hat Red Hat Enterprise Linux 9
  • Red Hat Red Hat OpenShift AI (RHOAI)
  • Red Hat Red Hat OpenShift Container Platform 4

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.