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Fencer Vulns
medium 5.3

CVE-2025-11083 json

GNU Binutils Linker elfcode.h elf_swap_shdr heap-based overflow

published 2025-09-27 13 mo ago modified 2026-10-15 25 d ago also EUVD-2025-31445

cvss
5.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 17%
public exploits
0
none known

Summary

A vulnerability has been found in GNU Binutils 2.45. The affected element is the function elf_swap_shdr in the library bfd/elfcode.h of the component Linker. The manipulation leads to heap-based buffer overflow. The attack must be carried out locally. The exploit has been disclosed to the public and may be used. The identifier of the patch is 9ca499644a21ceb3f946d1c179c38a83be084490. To fix this issue, it is recommended to deploy a patch. The code maintainer replied with "[f]ixed for 2.46".

Patch / fix

  • binutils Debian 14 2.46-1

debian advisories DEBIAN-CVE-2025-11083

  • binutils Ubuntu 22.04 LTS 2.38-4ubuntu2.10
  • binutils Ubuntu 24.04 LTS 2.42-4ubuntu2.6
  • binutils Ubuntu 25.10 2.45-7ubuntu1.2

ubuntu advisories UBUNTU-CVE-2025-11083

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 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.hum1
  • binutils-gold hummingbird 1 2.45.1-5.hum1
  • binutils-gprofng hummingbird 1 2.45.1-5.hum1
  • gcc-toolset-14-binutils RHEL 8 2.41-4.el8_10.1
  • gcc-toolset-14-binutils-gold RHEL 8 2.41-4.el8_10.1

red hat advisories RHSA-2026:39022RHSA-2026:7098RHSA-2026:2627RHSA-2026:1359RHSA-2026:0482RHSA-2026:0480

  • binutils SLES 16.0, Linux Micro 6.2, SLES for SAP applications 16.0 2.45-160000.1.1
  • bpftool SLES for SAP applications 16.0, SLES 16.0 7.5.0-160000.2.3
  • binutils SLES for SAP 15 SP5, SLES for SAP 15 SP4, SLES for SAP 15 SP3 +18 more 2.45-150100.7.57.1
  • perf SLE Module for Development Tools 15 SP6, openSUSE Leap 15.6 6.4.0.git33229.a3afe13a7f-150600.3.17.1
  • perf SLE Module for Development Tools 15 SP7 6.4.0.git54263.0aad576b1c-150700.3.2.2
  • perf SLES for SAP 15 SP3, SLES 15 SP3-LTSS, SLE High Performance Computing 15 SP3-LTSS +1 more 5.3.18-150300.38.7.1
  • perf SLES for SAP 15 SP4, SLES 15 SP4-LTSS, SLE High Performance Computing 15 SP4-LTSS +1 more 5.14.21-150400.44.20.1
  • perf SLES for SAP 15 SP5, SLES 15 SP5-LTSS, SLE High Performance Computing 15 SP5-LTSS +1 more 5.14.21-150500.52.5.1

suse advisories SUSE-SU-2025:21195-1SUSE-SU-2025:21197-1SUSE-SU-2025:4096-1

  • binutils openSUSE Leap 16.0 2.45-160000.1.1
  • bpftool openSUSE Leap 16.0 7.5.0-160000.2.3
  • cross-rx-binutils openSUSE Leap 16.0 2.45-160000.1.1
  • cross-arm-binutils openSUSE Leap 16.0 2.45-160000.1.1
  • cross-avr-binutils openSUSE Leap 16.0 2.45-160000.1.1
  • cross-bpf-binutils openSUSE Leap 16.0 2.45-160000.1.1
  • cross-ppc-binutils openSUSE Leap 16.0 2.45-160000.1.1
  • cross-pru-binutils openSUSE Leap 16.0 2.45-160000.1.1

opensuse advisories openSUSE-SU-2025:20150-1openSUSE-SU-2025:15651-1

  • gcc-toolset-14-binutils AlmaLinux 8 2.41-4.el8_10.1
  • gcc-toolset-14-binutils-gold AlmaLinux 8 2.41-4.el8_10.1
  • gcc-toolset-14-binutils-gprofng AlmaLinux 8 2.41-4.el8_10.1
  • gcc-toolset-15-binutils AlmaLinux 9 2.44-3.el9_7.1
  • gcc-toolset-15-binutils-gold AlmaLinux 9 2.44-3.el9_7.1
  • gcc-toolset-15-binutils-gprofng AlmaLinux 9 2.44-3.el9_7.1
  • gcc-toolset-15-binutils AlmaLinux 10 2.44-7.el10_1.1
  • gcc-toolset-15-binutils-gold AlmaLinux 10 2.44-7.el10_1.1

almalinux advisories ALSA-2026:2627ALSA-2026:1359ALSA-2026:0108ALSA-2026:0052ALSA-2025:23306ALSA-2025:23336

  • gcc-toolset-14-binutils Rocky Linux 8 2.41-4.el8_10.1
  • gcc-toolset-15-binutils Rocky Linux 9 2.44-3.el9_7.1
  • gcc-toolset-15-binutils Rocky Linux 10 2.44-7.el10_1.1
  • gcc-toolset-14-binutils Rocky Linux 9 2.41-5.el9_7.1
  • binutils Rocky Linux 10 2.41-58.el10_1.2
  • gcc-toolset-13-binutils Rocky Linux 9 2.40-21.el9_7.1
  • binutils Rocky Linux 9 2.35.2-67.el9_7.1
  • binutils Rocky Linux 8 2.30-128.el8_10

rocky linux advisories RLSA-2026:2627RLSA-2026:1359RLSA-2026:0108RLSA-2026:0052RLSA-2025:23306RLSA-2025:23336

  • binutils CBL-Mariner 2.0 2.37-19
  • gdb CBL-Mariner 2.0 11.2-10
  • binutils Azure Linux 3.0 2.41-9
  • crash Azure Linux 3.0 9.0.0-3
  • gdb Azure Linux 3.0 13.2-10

azure linux advisories AZL-67905AZL-67911AZL-67919AZL-85527AZL-85533

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

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-2025-11083 updated cvss 5.3

binutils: GNU Binutils Linker heap-based overflow

  • Red Hat Migration Toolkit for Containers rhmtc/openshift-migration-must-gather-rhel8
    affected: workaround, no fix available
  • Red Hat Migration Toolkit for Virtualization migration-toolkit-virtualization/mtv-must-gather-rhel8 Red Hat Enterprise Linux 6 binutils Red Hat Enterprise Linux 7 binutils
    affected: workaround, no fix planned “Out of support scope”
  • Red Hat Enterprise Linux 8 gcc-toolset-13-gdb, gcc-toolset-14-gdb, gcc-toolset-13-binutils, gcc-toolset-13-binutils-gold Red Hat Enterprise Linux 9 gdb, gdb-minimal, gdb-headless, gdb-gdbserver, gcc-toolset-13-gdb Red Hat OpenShift Container Platform 4 openshift/ose-rhel-coreos-8
    affected: workaround, no fix available
  • Red Hat Enterprise Linux AppStream (v. 8) gcc-toolset-14-binutils 2.41-4.el8_10.1, gcc-toolset-14-binutils-gold 2.41-4.el8_10.1, gcc-toolset-14-binutils-gprofng 2.41-4.el8_10.1
    fixed: vendor fix RHSA-2025:23382
  • Red Hat Enterprise Linux AppStream (v. 9) gcc-toolset-14-binutils 2.41-5.el9_7.1, gcc-toolset-15-binutils 2.44-3.el9_7.1, gcc-toolset-13-binutils 2.40-21.el9_7.1, gcc-toolset-14-binutils-gold 2.41-5.el9_7.1, gcc-toolset-15-binutils-gold 2.44-3.el9_7.1, gcc-toolset-13-binutils-gold 2.40-21.el9_7.1, +2 more
    fixed: vendor fix RHSA-2025:23343
  • Red Hat Enterprise Linux AppStream (v. 10) gcc-toolset-15-binutils 2.44-7.el10_1.1, gcc-toolset-15-binutils-gold 2.44-7.el10_1.1, gcc-toolset-15-binutils-gprofng 2.44-7.el10_1.1
    fixed: vendor fix RHSA-2025:23306
  • Red Hat Enterprise Linux AppStream AUS (v. 8.2) binutils-devel 2.30-73.el8_2.2, binutils-debuginfo 2.30-73.el8_2.2, binutils-debugsource 2.30-73.el8_2.2
    fixed: vendor fix RHSA-2026:0479
  • Red Hat Enterprise Linux AppStream AUS (v.8.4) binutils-devel 2.30-93.el8_4.3, binutils-debuginfo 2.30-93.el8_4.3, binutils-debugsource 2.30-93.el8_4.3
    fixed: vendor fix RHSA-2026:0480
show 26 more
  • Red Hat Enterprise Linux AppStream AUS (v.8.6) binutils-devel 2.30-113.el8_6.4, binutils-debuginfo 2.30-113.el8_6.4, binutils-debugsource 2.30-113.el8_6.4 Red Hat Enterprise Linux AppStream E4S (v.8.6) binutils-devel 2.30-113.el8_6.4, binutils-debuginfo 2.30-113.el8_6.4, binutils-debugsource 2.30-113.el8_6.4
    fixed: vendor fix RHSA-2026:0481
  • Red Hat Enterprise Linux AppStream E4S (v.8.8) binutils-devel 2.30-119.el8_8.3, binutils-debuginfo 2.30-119.el8_8.3, binutils-debugsource 2.30-119.el8_8.3
    fixed: vendor fix RHSA-2026:0482
  • Red Hat Enterprise Linux AppStream E4S (v.9.0) binutils-devel 2.35.2-17.el9_0.1, binutils-debuginfo 2.35.2-17.el9_0.1, binutils-debugsource 2.35.2-17.el9_0.1, binutils-gold-debuginfo 2.35.2-17.el9_0.1
    fixed: vendor fix RHSA-2025:23232
  • Red Hat Enterprise Linux AppStream E4S (v.9.2) binutils-devel 2.35.2-37.el9_2.1, binutils-debuginfo 2.35.2-37.el9_2.1, binutils-debugsource 2.35.2-37.el9_2.1, binutils-gold-debuginfo 2.35.2-37.el9_2.1
    fixed: vendor fix RHSA-2025:23233
  • Red Hat Enterprise Linux AppStream EUS (v. 10.0) binutils-devel 2.41-53.el10_0.2, binutils-debuginfo 2.41-53.el10_0.2, binutils-debugsource 2.41-53.el10_0.2, binutils-gold-debuginfo 2.41-53.el10_0.2, binutils-gprofng-debuginfo 2.41-53.el10_0.2, cross-binutils-s390x-debuginfo 2.41-53.el10_0.2, +2 more
    fixed: vendor fix RHSA-2025:23405
  • Red Hat Enterprise Linux AppStream EUS (v.9.4) gcc-toolset-13-binutils 2.40-21.el9_4.1, gcc-toolset-13-binutils-gold 2.40-21.el9_4.1
    fixed: vendor fix RHSA-2025:23359
  • Red Hat Enterprise Linux AppStream EUS (v.9.6) gcc-toolset-14-binutils 2.41-4.el9_6.2, gcc-toolset-13-binutils 2.40-21.el9_6.1, gcc-toolset-14-binutils-gold 2.41-4.el9_6.2, gcc-toolset-13-binutils-gold 2.40-21.el9_6.1, gcc-toolset-14-binutils-gprofng 2.41-4.el9_6.2
    fixed: vendor fix RHSA-2025:23400
  • Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4) binutils-devel 2.30-93.el8_4.3, binutils-debuginfo 2.30-93.el8_4.3, binutils-debugsource 2.30-93.el8_4.3
    fixed: vendor fix RHSA-2026:0480
  • Red Hat Enterprise Linux AppStream TUS (v.8.6) binutils-devel 2.30-113.el8_6.4, binutils-debuginfo 2.30-113.el8_6.4, binutils-debugsource 2.30-113.el8_6.4
    fixed: vendor fix RHSA-2026:0481
  • Red Hat Enterprise Linux AppStream TUS (v.8.8) binutils-devel 2.30-119.el8_8.3, binutils-debuginfo 2.30-119.el8_8.3, binutils-debugsource 2.30-119.el8_8.3
    fixed: vendor fix RHSA-2026:0482
  • Red Hat Enterprise Linux BaseOS (v. 8) binutils 2.30-128.el8_10
    fixed: vendor fix RHSA-2025:23382
  • Red Hat Enterprise Linux BaseOS (v. 9) binutils 2.35.2-67.el9_7.1, binutils-gold 2.35.2-67.el9_7.1
    fixed: vendor fix RHSA-2025:23343
  • Red Hat Enterprise Linux BaseOS (v. 10) binutils 2.41-58.el10_1.2, binutils-gold 2.41-58.el10_1.2
    fixed: vendor fix RHSA-2025:23306
  • Red Hat Enterprise Linux BaseOS AUS (v. 8.2) binutils 2.30-73.el8_2.2
    fixed: vendor fix RHSA-2026:0479
  • Red Hat Enterprise Linux BaseOS AUS (v.8.4) binutils 2.30-93.el8_4.3
    fixed: vendor fix RHSA-2026:0480
  • Red Hat Enterprise Linux BaseOS AUS (v.8.6) binutils 2.30-113.el8_6.4 Red Hat Enterprise Linux BaseOS E4S (v.8.6) binutils 2.30-113.el8_6.4
    fixed: vendor fix RHSA-2026:0481
  • Red Hat Enterprise Linux BaseOS E4S (v.8.8) binutils 2.30-119.el8_8.3
    fixed: vendor fix RHSA-2026:0482
  • Red Hat Enterprise Linux BaseOS E4S (v.9.0) binutils 2.35.2-17.el9_0.1, binutils-gold 2.35.2-17.el9_0.1
    fixed: vendor fix RHSA-2025:23232
  • Red Hat Enterprise Linux BaseOS E4S (v.9.2) binutils 2.35.2-37.el9_2.1, binutils-gold 2.35.2-37.el9_2.1
    fixed: vendor fix RHSA-2025:23233
  • Red Hat Enterprise Linux BaseOS EUS (v. 10.0) binutils 2.41-53.el10_0.2, binutils-gold 2.41-53.el10_0.2
    fixed: vendor fix RHSA-2025:23405
  • Red Hat Enterprise Linux BaseOS EUS (v.9.4) binutils 2.35.2-43.el9_4.2, binutils-gold 2.35.2-43.el9_4.2
    fixed: vendor fix RHSA-2025:23359
  • Red Hat Enterprise Linux BaseOS EUS (v.9.6) binutils 2.35.2-63.el9_6.1, binutils-gold 2.35.2-63.el9_6.1
    fixed: vendor fix RHSA-2025:23400
  • Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.4) binutils 2.30-93.el8_4.3
    fixed: vendor fix RHSA-2026:0480
  • Red Hat Enterprise Linux BaseOS TUS (v.8.6) binutils 2.30-113.el8_6.4
    fixed: vendor fix RHSA-2026:0481
  • Red Hat Enterprise Linux BaseOS TUS (v.8.8) binutils 2.30-119.el8_8.3
    fixed: vendor fix RHSA-2026:0482
  • Red Hat Hardened Images binutils 2.45.1-5.hum1, binutils 2.46.1-1.hum1, binutils-gold 2.45.1-5.hum1, binutils-gold 2.46.1-1.hum1, binutils-gprofng 2.45.1-5.hum1, binutils-gprofng 2.46.1-1.hum1
    fixed: vendor fix RHSA-2026:7098

3 more fixed, 5 more not affected in the full advisory

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 ICSA-25-162-05 updated cvss 5.3

Siemens SIMATIC S7-1500 CPU family

  • Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AB0) >= 3.1.5 Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AC0) >= 3.1.5 Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AB0) >= 3.1.5 Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AC0) >= 3.1.5 Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP (6AG1518-4AX00-4AC0) >= 3.1.5
    affected: mitigation, no fix available

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
13 mo ago

Exploit prediction

0.26% chance of exploitation in the next 30 days, higher than 17% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • sourceware.org https://sourceware.org/bugzilla/show_bug.cgi?id=33457 referenced PoC, tagged "exploit" by a source, unverified
  • sourceware.org https://sourceware.org/bugzilla/show_bug.cgi?id=33457#c1 referenced PoC, tagged "exploit" by a source, unverified
  • sourceware.org https://sourceware.org/bugzilla/attachment.cgi?id=16353 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 4.0 4.8 CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
CNA 3.1 5.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
CNA 3.0 5.3 CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
CNA 2.0 4.3 AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:OF/RC:C
CNA 4.0 1.9 CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/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
CNA 3.1 5.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA 2.0 4.3 AV:L/AC:L/Au:S/C:P/I:P/A:P

Affected products

  • GNU Binutils
  • Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP
  • Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP
  • Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP

Classification

Weakness
  • CWE-122 Heap-based Buffer Overflow
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

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.