CVE-2026-6845: gnu binutils NULL Pointer Dereference
Vulnerability summary
CVE-2026-6845 is a medium (CVSS 5.0) NULL Pointer Dereference vulnerability in gnu binutils. EPSS estimates a 0.14% chance of exploitation in the next 30 days, higher than 3.3% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 1Timeline
- 22-04-2026PublishedVulnerability first disclosed.
- 01-09-2026Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
7 scores · 7 sources · 1 version- OSV · Red hatEcosystem advisory · calculated5.0MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
- OSV · UbuntuEcosystem advisory · calculated5.0MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.0MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
- OSV · WolfiEcosystem advisory · calculated5.0MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
- OSV · ChainguardEcosystem advisory · calculated5.0MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
- NVDNIST5.0MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.14%
Chance of exploitation in the next 30 days
Percentile
3%
Versus all other CVEs
30-day change
0.00 pp
From 0.15% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Redhat7 products
- enterprise_linuxEOL6.0 | 7.0 | 8.0 | 9.0 | 10.0
- hardened_imagesna
- openshift_container_platform4.0
- binutils< 0:2.45.1-5.2.hum1
- binutils-devel< 0:2.45.1-5.2.hum1
Chainguard6 products
- binutilsAll versions (No fix recorded)
- binutils-arm-none-eabiAll versions (No fix recorded)
- binutils-arm-none-eabi-docAll versions (No fix recorded)
- binutils-devAll versions (No fix recorded)
- binutils-docAll versions (No fix recorded)
Wolfi4 products
- binutilsAll versions (No fix recorded)
- binutils-devAll versions (No fix recorded)
- binutils-docAll versions (No fix recorded)
- binutils-goldAll versions (No fix recorded)
Debian1 product
- binutilsAll versions (No fix recorded)
Gnu1 product
- binutilsna
Ubuntu1 product
- binutilsAll versions (No fix recorded)
6 vendors · 20 products
References
14 links- access.redhat.com/security/cve/CVE-2026-6845VDB EntryX Refsource REDHATREPORTAdvisoryVendor Advisory
- images.redhat.comARTICLE