Radare2: Heap-buffer-overflow in parse_classes_64
A heap-buffer-overflow vulnerability exists in the parse_classes_64 function of radare2, as reported by OSS-Fuzz. This issue causes a read overflow on the heap, potentially leading to memory corruption. Multiple specific versions of radare2 from 5.8.0 through 6.2.0 are affected. No official patch or remediation details are provided in the available data. There are no known exploits in the wild at this time.
AI Analysis
Technical Summary
The vulnerability is a heap-buffer-overflow read of 4 bytes occurring in the parse_classes_64 function within radare2. This was identified through OSS-Fuzz testing and results in a crash state involving parse_classes_64, classes, and r_bin_object_set_items. The affected versions include multiple discrete releases from 5.8.0 up to 6.2.0. No CVSS score or vendor advisory is available to confirm patch status or detailed impact.
Potential Impact
The heap-buffer-overflow can lead to memory corruption, which may cause crashes or potentially enable further exploitation depending on the context in which radare2 is used. However, no known exploits are reported, and the exact impact beyond the crash is not detailed.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Users should monitor official radare2 channels for updates or patches addressing this heap-buffer-overflow vulnerability.
Radare2: Heap-buffer-overflow in parse_classes_64
Description
A heap-buffer-overflow vulnerability exists in the parse_classes_64 function of radare2, as reported by OSS-Fuzz. This issue causes a read overflow on the heap, potentially leading to memory corruption. Multiple specific versions of radare2 from 5.8.0 through 6.2.0 are affected. No official patch or remediation details are provided in the available data. There are no known exploits in the wild at this time.
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 read of 4 bytes occurring in the parse_classes_64 function within radare2. This was identified through OSS-Fuzz testing and results in a crash state involving parse_classes_64, classes, and r_bin_object_set_items. The affected versions include multiple discrete releases from 5.8.0 up to 6.2.0. No CVSS score or vendor advisory is available to confirm patch status or detailed impact.
Potential Impact
The heap-buffer-overflow can lead to memory corruption, which may cause crashes or potentially enable further exploitation depending on the context in which radare2 is used. However, no known exploits are reported, and the exact impact beyond the crash is not detailed.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Users should monitor official radare2 channels for updates or patches addressing this heap-buffer-overflow vulnerability.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- OSV-2023-35
- Osv Schema Version
- 1.4.0
- Aliases
- []
- Ecosystems
- ["OSS-Fuzz"]
- Database Specific Severity
- null
- Cvss Version
- null
Threat ID: 6a7891dbbf8831d539c8789e
Added to database: 08/09/2026, 14:42:35 UTC
Last enriched: 08/09/2026, 14:53:20 UTC
Last updated: 08/09/2026, 15:30:16 UTC
Views: 4
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