Read the docs
TI-2025-00712 Aliases CVE-2025-0840GHSA-c5qp-mx9f-m5c7

GNU Binutils objdump.c disassemble_bytes stack-based overflow

Priority MEDIUM 61CWE-119Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
High
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
Low · Low · Low
Fix status
Deferred Red Hat: fix deferred

Attack profile from CVSS 4.0 · CNA. Fix status from CNA and Red Hat.

Summary

A vulnerability, which was classified as problematic, was found in GNU Binutils up to 2.43. This affects the function disassemble_bytes of the file binutils/objdump.c. The manipulation of the argument buf leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The complexity of an attack is rather high. The exploitability is told to be difficult. The exploit has been disclosed to the public and may be used. Upgrading to version 2.44 is able to address this issue. The identifier of the patch is baac6c221e9d69335bf41366a1c7d87d8ab2f893. It is recommended to upgrade the affected component.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00759 55th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD and the CNA
Fix Deferred Red Hat: fix deferred

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
GNUBinutils2.0; 2.1; 2.2; 2.3; 2.4; 2.5; 2.6; 2.7; 2.8; 2.9; 2.10; 2.11; 2.12; 2.13; 2.14; 2.15; 2.16; 2.17; 2.18; 2.19; 2.20; 2.21; 2.22; 2.23; 2.24; 2.25; 2.26; 2.27; 2.28; 2.29; 2.30; 2.31; 2.32; 2.33; 2.34; 2.35; 2.36; 2.37; 2.38; 2.39; 2.40; 2.41; 2.42; 2.43—No fix listedCNA
  • Binutils VendorGNU Affected 2.0; 2.1; 2.2; 2.3; 2.4; 2.5; 2.6; 2.7; 2.8; 2.9; 2.10; 2.11; 2.12; 2.13; 2.14; 2.15; 2.16; 2.17; 2.18; 2.19; 2.20; 2.21; 2.22; 2.23; 2.24; 2.25; 2.26; 2.27; 2.28; 2.29; 2.30; 2.31; 2.32; 2.33; 2.34; 2.35; 2.36; 2.37; 2.38; 2.39; 2.40; 2.41; 2.42; 2.43 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:gnu:binutils:*:*:*:*:*:*:*:*before 2.44VulnerableGNU
  • cpe:2.3:a:gnu:binutils:*:*:*:*:*:*:*:* Versions before 2.44 Vulnerable ·GNU

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 9AffectedNo fix yet: Fix deferred
Not affected: 5 products
  • Red Hat Enterprise Linux 10
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 8
  • Red Hat Enterprise Linux 9

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-0840
  2. 2026-10-03 Alias added: GHSA-c5qp-mx9f-m5c7

References

  • TI-2020-13695 An issue was discovered in binutils libbfd.c 2.36 relating to the auxiliary symbol data… CVSS 3.1HIGH 8.8
  • TI-2025-42907 GNU Binutils thru 2.46 readelf contains a double free vulnerability when processing a… CVSS 3.1HIGH 7.5
  • TI-2025-41071 An issue was discovered in function d_print_comp_inner in file cp-demangle.c in BinUtils… CVSS 3.1HIGH 7.5
  • TI-2025-41069 An issue was discovered in function d_discriminator in file cp-demangle.c in BinUtils… CVSS 3.1HIGH 7.5
  • TI-2025-41068 A buffer overflow vulnerability in function gnu_special in file cplus-dem.c in BinUtils… CVSS 3.1HIGH 7.5
  • TI-2021-21105 Heap-based Buffer Overflow in function bfd_getl32 in Binutils objdump 3.37. CVSS 3.1HIGH 7.5
See all 287 →

Sources