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Fencer Vulns
medium 5.0

CVE-2025-1176 json

GNU Binutils ld elflink.c _bfd_elf_gc_mark_rsec heap-based overflow

published 2025-02-11 20 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-2050

cvss
5.0
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.7%
EPSS 0.7% chance of exploitation in 30 days, percentile 52%
public exploits
0
none known

Summary

A vulnerability was found in GNU Binutils 2.43 and classified as critical. This issue affects the function _bfd_elf_gc_mark_rsec of the file elflink.c of the component ld. The manipulation leads to heap-based buffer overflow. The attack may be initiated remotely. The complexity of an attack is rather high. The exploitation is known to be difficult. The exploit has been disclosed to the public and may be used. The patch is named f9978defb6fab0bd8583942d97c112b0932ac814. It is recommended to apply a patch to fix this issue.

Patch / fix

  • binutils Debian 14 2.45-3

debian advisories DEBIAN-CVE-2025-1176

  • binutils Ubuntu 20.04 LTS 2.34-6ubuntu1.11
  • binutils Ubuntu 22.04 LTS 2.38-4ubuntu2.8
  • binutils Ubuntu 24.04 LTS 2.42-4ubuntu2.5
  • binutils Ubuntu Pro 16.04 LTS 2.26.1-1ubuntu1~16.04.8+esm11
  • binutils Ubuntu Pro 18.04 LTS 2.30-21ubuntu1~18.04.9+esm4

ubuntu advisories UBUNTU-CVE-2025-1176

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 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

  • binutils Azure Linux 3.0 2.41-4
  • gdb CBL-Mariner 2.0 11.2-4
  • binutils CBL-Mariner 2.0 2.37-13
  • gdb Azure Linux 3.0 13.2-9

azure linux advisories AZL-56579AZL-56652AZL-56655AZL-86934

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-2025-1176 updated cvss 5.0

binutils: GNU Binutils ld elflink.c _bfd_elf_gc_mark_rsec heap-based overflow

  • 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, +9 more Red Hat Enterprise Linux 9 gdb, binutils, gdb-minimal, gdb-headless, binutils-gold, gdb-gdbserver, +10 more Red Hat Enterprise Linux 10 binutils, mingw-binutils, mingw32-binutils, mingw64-binutils
    not affected: vulnerable code not present

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

Exploit prediction

0.67% chance of exploitation in the next 30 days, higher than 52% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • sourceware.org https://sourceware.org/bugzilla/show_bug.cgi?id=32636 referenced PoC, tagged "exploit" by a source, unverified
  • sourceware.org https://sourceware.org/bugzilla/attachment.cgi?id=15913 referenced PoC, tagged "exploit" by a source, unverified
  • vuldb.com https://vuldb.com/?submit.495329 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 4.0 2.3 CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
CNA 3.1 5.0 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L
CNA 3.0 5.0 CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L
CNA 2.0 5.1 AV:N/AC:H/Au:N/C:P/I:P/A:P
CNA 4.0 2.3 CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/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
NVD 3.1 5.0 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L

Affected products

  • GNU Binutils

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.