CVE-2022-26300
EOS v2.1.0 was discovered to contain a heap-buffer-overflow via the function txn_test_gen_plugin.
EOS v2.1.0 was discovered to contain a heap-buffer-overflow via the function txn_test_gen_plugin.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
EOS v2.1.0 was discovered to contain a heap-buffer-overflow via the function txn_test_gen_plugin.
- Record
CVE-2022-26300- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-787
- Updated
- 2026-11-02
CVE List No score
EOS v2.1.0 was discovered to contain a heap-buffer-overflow via the function txn_test_gen_plugin.
- Record
CVE-2022-26300- Updated
- 2026-11-02
EUVDEUVD-2022-30861 No score
EOS v2.1.0 was discovered to contain a heap-buffer-overflow via the function txn_test_gen_plugin.
- Record
EUVD-2022-30861- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-4gqj-83q4-74v3
EOS v2.1.0 was discovered to contain a heap-buffer-overflow via the function txn_test_gen_plugin.
EOS v2.1.0 was discovered to contain a heap-buffer-overflow via the function txn_test_gen_plugin.
- Record
GHSA-4gqj-83q4-74v3- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-787
- Updated
- 2026-11-02
OSV No score
EOS v2.1.0 was discovered to contain a heap-buffer-overflow via the function txn_test_gen_plugin.
- Record
CVE-2022-26300- 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-2022-26300 is a high vulnerability (CVSS 7.5) in Eosio Project Eos, published March 16, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.20%, the 68th percentile. No source names a fixed version.