Radare2: Heap-buffer-overflow in io_memory_read
A heap-buffer-overflow vulnerability exists in the io_memory_read function of radare2, as reported by OSS-Fuzz. This issue causes a write overflow on the heap during memory read operations. Multiple specific versions of radare2 are affected. No CVSS score is provided, and no known exploits in the wild have been reported.
AI Analysis
Technical Summary
The vulnerability is a heap-buffer-overflow write detected in the io_memory_read function within radare2. The issue was identified through OSS-Fuzz testing and results in a crash state involving io_memory_read, r_io_plugin_read, and r_io_desc_read functions. The affected versions include multiple discrete releases from 5.8.0 through 6.2.0 and a specific commit identified by its hash. No further technical details or exploitation methods are provided.
Potential Impact
The heap-buffer-overflow can lead to memory corruption, potentially causing crashes or undefined behavior in radare2. There is no information about active exploitation or impact beyond the crash condition.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or patch links are provided in the available data.
Radare2: Heap-buffer-overflow in io_memory_read
Description
A heap-buffer-overflow vulnerability exists in the io_memory_read function of radare2, as reported by OSS-Fuzz. This issue causes a write overflow on the heap during memory read operations. Multiple specific versions of radare2 are affected. No CVSS score is provided, and no known exploits in the wild have been reported.
Affected software
pkg:generic/radare2Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability is a heap-buffer-overflow write detected in the io_memory_read function within radare2. The issue was identified through OSS-Fuzz testing and results in a crash state involving io_memory_read, r_io_plugin_read, and r_io_desc_read functions. The affected versions include multiple discrete releases from 5.8.0 through 6.2.0 and a specific commit identified by its hash. No further technical details or exploitation methods are provided.
Potential Impact
The heap-buffer-overflow can lead to memory corruption, potentially causing crashes or undefined behavior in radare2. There is no information about active exploitation or impact beyond the crash condition.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or patch links are provided in the available data.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- OSV-2022-1137
- Osv Schema Version
- 1.3.0
- Ecosystems
- ["OSS-Fuzz"]
Threat ID: 6a7891debf8831d539c87a18
Added to database: 08/09/2026, 14:42:38 UTC
Last enriched: 09/07/2026, 17:04:46 UTC
Last updated: 09/22/2026, 13:53:52 UTC
Views: 50
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
External Links
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.