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CVE-2026-6845

Binutils: binutils: denial of service via crafted elf file

5.0 MediumFix available

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.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
Low
User interaction
Required

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

0.15%Up 0.1 points since Apr 22, 2026
90%50%10%1%

What each source reports

CVE List Score used 5.0

Binutils: binutils: denial of service via crafted elf file

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.

Record
CVE-2026-6845
CVSS 3.1
5.0 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
Weakness
CWE-476
Updated
2026-11-06
EUVDEUVD-2026-24712 5.0

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.

Record
EUVD-2026-24712
CVSS 3.1
5.0 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-06
GitHub AdvisoriesGHSA-chmq-57c3-4p7v 5.0

A flaw was found in binutils, specifically within the `readelf` utility. This vulnerability...

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.

Record
GHSA-chmq-57c3-4p7v
CVSS 3.1
5.0 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
Weakness
CWE-476
Updated
2026-11-02
NVD 5.0

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.

Record
CVE-2026-6845
CVSS 3.1
5.0 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
Weakness
CWE-476
Updated
2026-11-06
OSV 5.0

Binutils: binutils: denial of service via crafted elf file

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.

Record
CVE-2026-6845
CVSS 3.1
5.0 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
Weakness
CWE-476
Updated
2026-11-07
OSVDEBIAN-CVE-2026-6845 5.0

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.

Record
DEBIAN-CVE-2026-6845
CVSS 3.1
5.0 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-07
Show 5 moreShow less
OSVOESA-2026-2152 5.0

binutils security update

Binutils is a collection of binary utilities, including ar (for creating, modifying and extracting from archives), as (a family of GNU assemblers), gprof (for displaying call graph profile data), ld (the GNU linker), nm (for listing symbols from object files), objcopy (for copying and translating object files), objdump (for displaying information from object files), ranlib (for generating an index for the contents of an archive), readelf (for displaying detailed information about binary files), size (for listing the section sizes of an object or archive file), strings (for listing printable strings from files), strip (for discarding symbols), and addr2line (for converting addresses to file and line).

Security Fix(es):

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.(CVE-2026-6845)

Record
OESA-2026-2152
CVSS 3.1
5.0 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVRHSA-2026:34924 5.0

Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update

Record
RHSA-2026:34924
CVSS 3.1
5.0 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVRHSA-2026:39022 7.8

Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update

Record
RHSA-2026:39022
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2026-6845 5.0

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.

Record
UBUNTU-CVE-2026-6845
CVSS 3.1
5.0 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVAZL-85517 No score

CVE-2026-6845 affecting package binutils 2.41-14

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.

Record
AZL-85517
Updated
2026-11-05

Affected products

Affected packages

Affected packages
PackageAffectedFixed
binutils
Azure Linux:3
 through 2.41-14 None known
binutils
Debian:12
 All versions, plus listed versions
2.40-22.40.50.20230111-12.40.50.20230215-12.40.50.20230501-12.40.50.20230510-1
Show 45 moreShow less
2.40.50.20230602-12.40.50.20230611-12.40.50.20230611-22.40.50.20230622-12.40.50.20230625-12.40.50.20230630-12.40.90.20230705-12.40.90.20230714-12.40.90.20230714-22.40.90.20230720-12.40.90.20230729-12.40.90.20230729-22.41-12.41-22.41-32.41-42.41-52.41-62.41-72.41.50.20230731-12.41.50.20230803-12.41.50.20230905-12.41.50.20231010-12.41.50.20231101-12.41.50.20231125-12.41.50.20231202-12.41.50.20231206-12.41.50.20231214-12.41.50.20231227-12.41.90.20240115-12.41.90.20240122-12.42-12.42-22.42-2+hurd.12.42-32.42-42.42.50.20240614-12.42.50.20240618-12.42.50.20240625-12.42.50.20240710-12.42.90.20240720-12.42.90.20240720-22.43-12.43-22.43.1-1
 None known
binutils
Debian:13
 All versions, plus listed versions
2.44-32.44.50.20250201-12.44.50.20250207-12.44.50.20250218-12.44.50.20250218-2
Show 45 moreShow less
2.44.50.20250309-12.44.50.20250405-12.44.50.20250502-12.44.50.20250520-12.44.50.20250528-12.44.50.20250707-12.44.90.20250719-12.45-12.45-22.45-32.45-42.45-52.45-62.45-72.45-82.45.50.20250813-12.45.50.20250903-12.45.50.20251005-12.45.50.20251023-12.45.50.20251023-22.45.50.20251122-12.45.50.20251125-12.45.50.20251201-12.45.50.20251209-12.45.50.20260116-12.45.50.20260119-12.45.90.20260125-12.45.90.20260201-12.46-12.46-22.46-32.46.50.20260216-12.46.50.20260509-12.46.50.20260519-12.46.50.20260608-12.46.50.20260617-12.46.90.20260712-12.47-12.47-22.47-32.47-42.47-52.47-62.47.50.20260813-12.47.50.20260813-2
 None known
binutils
Debian:14
 All versions, plus listed versions
2.44-32.44.50.20250201-12.44.50.20250207-12.44.50.20250218-12.44.50.20250218-2
Show 45 moreShow less
2.44.50.20250309-12.44.50.20250405-12.44.50.20250502-12.44.50.20250520-12.44.50.20250528-12.44.50.20250707-12.44.90.20250719-12.45-12.45-22.45-32.45-42.45-52.45-62.45-72.45-82.45.50.20250813-12.45.50.20250903-12.45.50.20251005-12.45.50.20251023-12.45.50.20251023-22.45.50.20251122-12.45.50.20251125-12.45.50.20251201-12.45.50.20251209-12.45.50.20260116-12.45.50.20260119-12.45.90.20260125-12.45.90.20260201-12.46-12.46-22.46-32.46.50.20260216-12.46.50.20260509-12.46.50.20260519-12.46.50.20260608-12.46.50.20260617-12.46.90.20260712-12.47-12.47-22.47-32.47-42.47-52.47-62.47.50.20260813-12.47.50.20260813-2
 None known
binutils
openEuler:24.03-LTS
 before 2.41-29.oe2403
2.41-29.oe2403
binutils
Red Hat:hummingbird:1
 before 0:2.45.1-5.2.hum1
0:2.45.1-5.2.hum1
binutils-devel
Red Hat:hummingbird:1
 before 0:2.45.1-5.2.hum1
0:2.45.1-5.2.hum1
binutils-gold
Red Hat:hummingbird:1
 before 0:2.45.1-5.2.hum1
0:2.45.1-5.2.hum1
binutils-gprofng
Red Hat:hummingbird:1
 before 0:2.45.1-5.2.hum1
0:2.45.1-5.2.hum1
binutils
Red Hat:hummingbird:1
From an advisory covering 7 CVEs
 before 0:2.46.1-1.hum1
0:2.46.1-1.hum1
Show 12 moreShow less
Affected packages
PackageAffectedFixed
binutils-devel
Red Hat:hummingbird:1
From an advisory covering 7 CVEs
 before 0:2.46.1-1.hum1
0:2.46.1-1.hum1
binutils-gold
Red Hat:hummingbird:1
From an advisory covering 7 CVEs
 before 0:2.46.1-1.hum1
0:2.46.1-1.hum1
binutils-gprofng
Red Hat:hummingbird:1
From an advisory covering 7 CVEs
 before 0:2.46.1-1.hum1
0:2.46.1-1.hum1
binutils
Ubuntu:Pro:14.04:LTS
 All versions, plus listed versions
2.23.52.20130913-0ubuntu12.23.90.20131017-1ubuntu12.23.90.20131116-1ubuntu12.23.91.20131123-1ubuntu12.24-1ubuntu1
Show 20 moreShow less
2.24-1ubuntu22.24-2ubuntu12.24-2ubuntu22.24-2ubuntu32.24-4ubuntu12.24-5ubuntu12.24-5ubuntu22.24-5ubuntu32.24-5ubuntu3.12.24-5ubuntu132.24-5ubuntu142.24-5ubuntu14.12.24-5ubuntu14.22.24-5ubuntu14.2+esm12.24-5ubuntu14.2+esm22.24-5ubuntu14.2+esm32.24-5ubuntu14.2+esm52.24-5ubuntu14.2+esm62.24-5ubuntu14.2+esm72.24-5ubuntu14.2+esm8
 None known
binutils
Ubuntu:Pro:16.04:LTS
 All versions, plus listed versions
2.25.1-6ubuntu12.25.51.20151022-0ubuntu22.25.51.20151022-0ubuntu32.25.51.20151027-0ubuntu12.25.51.20151028-0ubuntu1
Show 37 moreShow less
2.25.51.20151106-0ubuntu12.25.51.20151113-1ubuntu12.25.51.20151113-2ubuntu12.25.90.20151125-1ubuntu12.25.90.20151125-2ubuntu12.25.90.20151211-0ubuntu12.25.90.20151211-0ubuntu22.25.90.20160101-1ubuntu12.25.90.20160101-1ubuntu22.26-2ubuntu12.26-3ubuntu12.26-4ubuntu12.26-5ubuntu12.26-6ubuntu12.26-7ubuntu22.26-8ubuntu12.26-8ubuntu22.26-8ubuntu2.12.26.1-1ubuntu1~16.042.26.1-1ubuntu1~16.04.12.26.1-1ubuntu1~16.04.32.26.1-1ubuntu1~16.04.42.26.1-1ubuntu1~16.04.52.26.1-1ubuntu1~16.04.62.26.1-1ubuntu1~16.04.72.26.1-1ubuntu1~16.04.82.26.1-1ubuntu1~16.04.8+esm12.26.1-1ubuntu1~16.04.8+esm32.26.1-1ubuntu1~16.04.8+esm42.26.1-1ubuntu1~16.04.8+esm52.26.1-1ubuntu1~16.04.8+esm62.26.1-1ubuntu1~16.04.8+esm72.26.1-1ubuntu1~16.04.8+esm92.26.1-1ubuntu1~16.04.8+esm112.26.1-1ubuntu1~16.04.8+esm122.26.1-1ubuntu1~16.04.8+esm132.26.1-1ubuntu1~16.04.8+esm14
 None known
binutils
Ubuntu:Pro:18.04:LTS
 All versions, plus listed versions
2.29.1-4ubuntu12.29.1-6ubuntu12.29.1-7ubuntu12.29.1-8ubuntu12.29.1-10ubuntu1
Show 25 moreShow less
2.29.1-12ubuntu12.30-4ubuntu12.30-5ubuntu12.30-7ubuntu12.30-8ubuntu12.30-9ubuntu12.30-10ubuntu12.30-11ubuntu12.30-14ubuntu22.30-15ubuntu12.30-20ubuntu2~18.042.30-21ubuntu1~18.042.30-21ubuntu1~18.04.12.30-21ubuntu1~18.04.22.30-21ubuntu1~18.04.32.30-21ubuntu1~18.04.42.30-21ubuntu1~18.04.52.30-21ubuntu1~18.04.72.30-21ubuntu1~18.04.82.30-21ubuntu1~18.04.92.30-21ubuntu1~18.04.9+esm12.30-21ubuntu1~18.04.9+esm32.30-21ubuntu1~18.04.9+esm42.30-21ubuntu1~18.04.9+esm52.30-21ubuntu1~18.04.9+esm13
 None known
binutils
Ubuntu:Pro:20.04:LTS
 All versions, plus listed versions
2.33-2ubuntu12.33.1-1ubuntu12.33.1-5ubuntu12.33.1-6ubuntu12.33.1-6ubuntu3
Show 18 moreShow less
2.33.90.20200122-1ubuntu22.34-1ubuntu12.34-3ubuntu12.34-4ubuntu12.34-5ubuntu12.34-6ubuntu12.34-6ubuntu1.12.34-6ubuntu1.32.34-6ubuntu1.42.34-6ubuntu1.52.34-6ubuntu1.62.34-6ubuntu1.72.34-6ubuntu1.82.34-6ubuntu1.92.34-6ubuntu1.102.34-6ubuntu1.112.34-6ubuntu1.11+esm12.34-6ubuntu1.11+esm2
 None known
binutils
Ubuntu:22.04:LTS
 All versions, plus listed versions
2.37-7ubuntu12.37-9ubuntu12.37-10ubuntu12.37.50.20220106-2ubuntu12.37.90.20220126-0ubuntu1
Show 16 moreShow less
2.37.90.20220130-0ubuntu22.38-1ubuntu12.38-2ubuntu12.38-3ubuntu12.38-4ubuntu22.38-4ubuntu2.12.38-4ubuntu2.22.38-4ubuntu2.32.38-4ubuntu2.42.38-4ubuntu2.52.38-4ubuntu2.62.38-4ubuntu2.72.38-4ubuntu2.82.38-4ubuntu2.102.38-4ubuntu2.112.38-4ubuntu2.12
 None known
binutils
Ubuntu:24.04:LTS
 All versions, plus listed versions
2.41-5ubuntu12.41-6ubuntu12.41.50.20231206-1ubuntu12.41.50.20231214-1ubuntu12.41.50.20231227-1ubuntu1
Show 12 moreShow less
2.41.90.20240122-1ubuntu12.42-2ubuntu12.42-3ubuntu12.42-4ubuntu12.42-4ubuntu22.42-4ubuntu2.32.42-4ubuntu2.42.42-4ubuntu2.52.42-4ubuntu2.62.42-4ubuntu2.72.42-4ubuntu2.82.42-4ubuntu2.10
 None known
binutils
Ubuntu:25.10
 All versions, plus listed versions
2.44-3ubuntu12.44.50.20250602-0ubuntu12.44.50.20250604-0ubuntu22.44.50.20250616-0ubuntu12.44.50.20250707-1ubuntu1
Show 6 moreShow less
2.45-1ubuntu12.45-3ubuntu32.45-6ubuntu12.45-7ubuntu12.45-7ubuntu1.12.45-7ubuntu1.2
 None known
binutils
Ubuntu:26.10
 All versions, plus listed versions
2.46-3ubuntu22.46.50.20260608-1ubuntu12.47-2ubuntu12.47-6ubuntu1
 None known
binutils
Ubuntu:26.04:LTS
 All versions, plus listed versions
2.45-7ubuntu12.45-7ubuntu22.45-8ubuntu12.45.50.20251125-1ubuntu12.45.50.20251201-1ubuntu1
Show 6 moreShow less
2.45.50.20251209-1ubuntu12.45.50.20260119-1ubuntu12.46-1ubuntu12.46-2ubuntu12.46-3ubuntu12.46-3ubuntu2
 None known

History

History
RecordedChangedSources
affected, productsCVE List, EUVD, NVD
factsOSV
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-6845 is a medium vulnerability (CVSS 5.0) in Gnu Binutils, published April 22, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.15%, the 3rd percentile. Fixed in binutils 2.41-29.oe2403.

References

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Left out here: 89 versions. The JSON record has them.

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