GNU Binutils Linker elf64-x86-64.c elf_x86_64_relocate_section heap-based overflow
Published Oct 8, 2025 · Updated Oct 23, 2026
Original summary
Normalized public record · Updated Oct 23, 2026
GNU Binutils Linker elf64-x86-64.c elf_x86_64_relocate_section heap-based overflow
Publisher and source text is retained separately from QFinch interpretation.
QFinch assessment
A vulnerability was determined in GNU Binutils 2.45. The affected element is the function elf_x86_64_relocate_section of the file elf64-x86-64.c of the component Linker. This manipulation causes heap-based buffer overflow. The attack can only be executed locally. The exploit has been publicly disclosed and may be utilized. Patch name: 6b21c8b2ecfef5c95142cbc2c32f185cb1c26ab0. To fix this issue, it is recommended to deploy a patch.
Evidence: public source recordsAffected products
| Affected package, product or range | Fix status |
|---|---|
| Consult the referenced vendor advisory for affected versions. | Consult source advisory |
Matching a version is only one part of assessing exposure. QFinch has not assessed your environment on this public page.
Remediation
Apply the vendor-supported fixed release or mitigation, then verify the affected component is no longer reachable.
- Confirm the affected product and reachable code path exist in your environment.
- Apply the vendor-supported patch or mitigation from the primary advisory.
- Rescan the exact deployed revision and retain verification evidence.
Evidence coverage
- SSVC priority
- LOW
- Confidence
- Not available
- Aliases
- None reported
Scores appear only when corresponding evidence exists. Missing data is never interpreted as zero risk.
Sources and record history
- VDB-327620 | GNU Binutils Linker elf64-x86-64.c elf_x86_64_relocate_section heap-based overflow ↗
- VDB-327620 | CTI Indicators (IOB, IOC, IOA) ↗
- Submit #668290 | GNU Binutils 2.45 Heap-based Buffer Overflow ↗
- sourceware.org ↗
- sourceware.org ↗
- sourceware.org ↗
- sourceware.org ↗
- www.gnu.org ↗
- cert-portal.siemens.com ↗
Record history
Published Oct 8, 2025 · Last refreshed Oct 23, 2026