Every CVE Search/ Get API key

CVE-2026-91780

GNU Binutils elflink.c elf_link_add_object_symbols null pointer dereference

4.8 Medium

A weakness has been identified in GNU Binutils 2.47. This impacts the function elf_link_add_object_symbols of the file bfd/elflink.c. Executing a manipulation can lead to null pointer dereference. The attack needs to be launched locally. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through a bug report but has not responded yet.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
Low

Exploit likelihood

0.17%Up 0.1 points since Sep 15, 2026
90%50%10%1%

What each source reports

CVE List Score used 4.8

GNU Binutils elflink.c elf_link_add_object_symbols null pointer dereference

A weakness has been identified in GNU Binutils 2.47. This impacts the function elf_link_add_object_symbols of the file bfd/elflink.c. Executing a manipulation can lead to null pointer dereference. The attack needs to be launched locally. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through a bug report but has not responded yet.

Record
CVE-2026-91780
CVSS 4.0
4.8 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
CVSS 3.1
3.3 LowCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
CVSS 3.0
3.3 LowCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
CVSS 2.0
1.7 AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:UR
Weakness
CWE-476, CWE-404
Updated
2026-11-02
EUVDEUVD-2026-78327 4.8

A weakness has been identified in GNU Binutils 2.47. This impacts the function elf_link_add_object_symbols of the file bfd/elflink.c. Executing a manipulation can lead to null pointer dereference. The attack needs to be launched locally. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through a bug report but has not responded yet.

Record
EUVD-2026-78327
CVSS 4.0
4.8 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
Updated
2026-11-02
GitHub AdvisoriesGHSA-9vhp-r9qm-xf9x 1.9

A weakness has been identified in GNU Binutils 2.47. This impacts the function...

A weakness has been identified in GNU Binutils 2.47. This impacts the function elf_link_add_object_symbols of the file bfd/elflink.c. Executing a manipulation can lead to null pointer dereference. The attack needs to be launched locally. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through a bug report but has not responded yet.

Record
GHSA-9vhp-r9qm-xf9x
CVSS 4.0
1.9 LowCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1
3.3 LowCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Weakness
CWE-404
Updated
2026-11-02
NVD 1.9

A weakness has been identified in GNU Binutils 2.47. This impacts the function elf_link_add_object_symbols of the file bfd/elflink.c. Executing a manipulation can lead to null pointer dereference. The attack needs to be launched locally. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through a bug report but has not responded yet.

Record
CVE-2026-91780
CVSS 4.0
1.9 LowCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1
3.3 LowCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CVSS 2.0
1.7 LowAV:L/AC:L/Au:S/C:N/I:N/A:P
Weakness
CWE-404, CWE-476
Updated
2026-11-02
OSV 1.9

GNU Binutils elflink.c elf_link_add_object_symbols null pointer dereference

A weakness has been identified in GNU Binutils 2.47. This impacts the function elf_link_add_object_symbols of the file bfd/elflink.c. Executing a manipulation can lead to null pointer dereference. The attack needs to be launched locally. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through a bug report but has not responded yet.

Record
CVE-2026-91780
CVSS 4.0
1.9 LowCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
Weakness
CWE-404, CWE-476
Updated
2026-11-02
OSVDEBIAN-CVE-2026-91780 1.9

A weakness has been identified in GNU Binutils 2.47. This impacts the function elf_link_add_object_symbols of the file bfd/elflink.c. Executing a manipulation can lead to null pointer dereference. The attack needs to be launched locally. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through a bug report but has not responded yet.

Record
DEBIAN-CVE-2026-91780
CVSS 4.0
1.9 LowCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Updated
2026-11-02
OSVRHSA-2026:67961 5.5

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

Record
RHSA-2026:67961
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2026-91780 1.9

A weakness has been identified in GNU Binutils 2.47. This impacts the function elf_link_add_object_symbols of the file bfd/elflink.c. Executing a manipulation can lead to null pointer dereference. The attack needs to be launched locally. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through a bug report but has not responded yet.

Record
UBUNTU-CVE-2026-91780
CVSS 4.0
1.9 LowCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
CVSS 3.1
3.3 LowCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Updated
2026-11-02
OSVAZL-103373 No score

CVE-2026-91780 affecting package binutils 2.41-14

A weakness has been identified in GNU Binutils 2.47. This impacts the function elf_link_add_object_symbols of the file bfd/elflink.c. Executing a manipulation can lead to null pointer dereference. The attack needs to be launched locally. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through a bug report but has not responded yet.

Record
AZL-103373
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
Red Hat:hummingbird:1
From an advisory covering 4 CVEs
 before 0:2.46.1-1.2.hum1
0:2.46.1-1.2.hum1
binutils-devel
Red Hat:hummingbird:1
From an advisory covering 4 CVEs
 before 0:2.46.1-1.2.hum1
0:2.46.1-1.2.hum1
binutils-gold
Red Hat:hummingbird:1
From an advisory covering 4 CVEs
 before 0:2.46.1-1.2.hum1
0:2.46.1-1.2.hum1
binutils-gprofng
Red Hat:hummingbird:1
From an advisory covering 4 CVEs
 before 0:2.46.1-1.2.hum1
0:2.46.1-1.2.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
Show 6 moreShow less
Affected packages
PackageAffectedFixed
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: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, facts
factsOSV
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

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

In short

CVE-2026-91780 is a medium vulnerability (CVSS 4.8) in Gnu Binutils, published September 15, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.17%, the 6th percentile. No source names a fixed version.

References

Show 44 moreShow less
This page doesn't list everything

Left out here: 80 versions. The JSON record has them.

Pages All vulnerabilities Browse Docs Sources Guide Get API key
MoveEnter Open