CVE-2023-40295
libboron in Boron 2.0.8 has a heap-based buffer overflow in ur_strInitUtf8 at string.c.
libboron in Boron 2.0.8 has a heap-based buffer overflow in ur_strInitUtf8 at string.c.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
libboron in Boron 2.0.8 has a heap-based buffer overflow in ur_strInitUtf8 at string.c.
- Record
CVE-2023-40295- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-787
- Updated
- 2026-11-02
CVE List No score
libboron in Boron 2.0.8 has a heap-based buffer overflow in ur_strInitUtf8 at string.c.
- Record
CVE-2023-40295- Updated
- 2026-11-02
EUVDEUVD-2023-44888 No score
libboron in Boron 2.0.8 has a heap-based buffer overflow in ur_strInitUtf8 at string.c.
- Record
EUVD-2023-44888- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-v263-ghf9-h2rx
libboron in Boron 2.0.8 has a heap-based buffer overflow in ur_strInitUtf8 at string.c.
libboron in Boron 2.0.8 has a heap-based buffer overflow in ur_strInitUtf8 at string.c.
- Record
GHSA-v263-ghf9-h2rx- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-787
- Updated
- 2026-11-02
OSV No score
libboron in Boron 2.0.8 has a heap-based buffer overflow in ur_strInitUtf8 at string.c.
- Record
CVE-2023-40295- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-40295 is a high vulnerability (CVSS 8.8) in 0branch Boron, published August 14, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.86%, the 58th percentile. No source names a fixed version.