CVE-2025-69647
Denial-of-Service in GNU Binutils readelf via Malformed DWARF Data
Publication date: 2026-03-09
Last updated on: 2026-03-13
Assigner: MITRE
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| gnu | binutils | to 2.45.1 (inc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-835 | The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability exists in GNU Binutils through version 2.45.1, specifically in the readelf tool. It is a denial-of-service issue triggered when readelf processes a specially crafted binary containing malformed DWARF loclists data. Due to a logic flaw in the DWARF parsing code, readelf enters an unbounded output loop where it repeatedly prints the same table output without making progress, causing the program to never terminate unless externally stopped.
A local attacker can exploit this by providing a malicious input file to readelf, which causes excessive CPU and I/O usage and prevents readelf from completing its analysis.
How can this vulnerability impact me? :
The vulnerability can cause a denial-of-service condition on systems running the affected version of readelf. When triggered, it leads to excessive CPU and I/O resource consumption, potentially degrading system performance or causing the readelf tool to hang indefinitely.
This can interrupt workflows that rely on readelf for binary analysis, debugging, or development tasks, requiring manual intervention to stop the process.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
I don't know