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TI-2026-61706 Aliases CVE-2026-90803GHSA-fw55-q7rw-84f9

GNU Binutils ld elf64-x86-64.c elf_x86_64_relocate_section buffer overflow

Priority MEDIUM 55CWE-119Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
Low · Low · Low
Fix status
Partial Red Hat: 1 fixed, 7 without a fix

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

Summary

A security vulnerability has been detected in GNU Binutils 2.47. Affected by this vulnerability is the function elf_x86_64_relocate_section of the file bfd/elf64-x86-64.c of the component ld. Such manipulation of the argument roff leads to buffer overflow. An attack has to be approached locally. The exploit has been disclosed publicly and may be used. Upgrading to version 2.48 addresses this issue. The name of the patch is 471130b39c03623ec6d78ece377ff4da3f6bfe7b. It is recommended to upgrade the affected component.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00201 10th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD and the CNA
Fix Partial Binutils (GNU): 2.48Red Hat: 1 advisoryRed Hat: 1 fixed, 7 without a fix

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
GNUBinutils2.472.48Patch availableCNA
  • Binutils VendorGNU Affected 2.47 Fixed in 2.48 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:gnu:binutils:2.47:*:*:*:*:*:*:*2.47VulnerableGNU
  • cpe:2.3:a:gnu:binutils:2.47:*:*:*:*:*:*:* Versions 2.47 Vulnerable ·GNU

Remediation

  • Fix · CNA Binutils (GNU) Fixed in 2.48

Red Hat 1 advisory

  • RHSA-2026:47171 Released 2026-07-28 · Red Hat rating Moderate
    Red Hat Hardened Images RPMs Security Update
    • Red Hat Hardened Images binutils-2.46.1-1.1.hum1@aarch64, binutils-2.46.1-1.1.hum1@src, binutils-2.46.1-1.1.hum1@x86_64 +6

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux 10Affected—
Red Hat Enterprise Linux 6Affected—
Red Hat Enterprise Linux 7Affected—
Red Hat Enterprise Linux 8Affected—
Red Hat Enterprise Linux 9Affected—
Red Hat OpenShift Container Platform 4Affected—
Red Hat OpenShift Container Platform 5Affected—
Red Hat Hardened ImagesFixed RHSA-2026:47171

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-90803
  2. 2026-10-03 Alias added: GHSA-fw55-q7rw-84f9
  3. 2026-10-30 Affected versions changed · Red Hat

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