CVE-2025-11083: GNU Binutils Linker elfcode.h elf_swap_shdr heap-based overflow
CSIRTS triage
- What
- Heap-based buffer overflow in linker elfcode.h elf_swap_shdr function during ELF header processing.
- Who is affected
- Build systems and tools using GNU Binutils linker to process potentially malformed ELF objects.
- Urgency
- Medium severity; overflow in linker can corrupt heap and compromise build integrity.
- Action
- Update GNU Binutils to patched version or validate ELF objects before processing.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-11083
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2025-110830.24% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 15% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2025-11083 | coverage & exploitation status | NVD · CVE.org |
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