CVE-2026-2259
aardappel lobster Parsing parser.h ParseStatements memory corruption
- State
- Published
- Severity
- 4.8 Medium
- Published
- Feb 10, 2026
- Updated
- Feb 23, 2026
- Reserved
- Feb 9, 2026
Description
A vulnerability has been found in aardappel lobster up to 2025.4. Affected by this issue is the function lobster::Parser::ParseStatements in the library dev/src/lobster/parser.h of the component Parsing. The manipulation leads to memory corruption. The attack can only be performed from a local environment. The exploit has been disclosed to the public and may be used. The identifier of the patch is 2f45fe860d00990e79e13250251c1dde633f1f89. Applying a patch is the recommended action to fix this issue.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 4.8 Medium | CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 3.3 Low | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C | VulDB |
| 3.0 | 3.3 Low | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C | VulDB |
| 2.0 | 1.7 Low | AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:OF/RC:C | VulDB |
Weaknesses
- CWE-119 Memory Corruption
Affected Products
| Product | Versions |
|---|---|
lobsteraardappel |
|
References
- VDB-345006 | aardappel lobster Parsing parser.h ParseStatements memory corruptionvdb-entrytechnical-description
- VDB-345006 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- Submit #753168 | aardappel lobster 8ba49f9 Memory Corruptionthird-party-advisory
- https://github.com/aardappel/lobster/issues/396issue-tracking
- https://github.com/aardappel/lobster/issues/396#issuecomment-3849019040issue-tracking
- https://github.com/oneafter/0204/blob/main/lob2/repro.lobsterexploit
- https://github.com/aardappel/lobster/commit/2f45fe860d00990e79e13250251c1dde633f1f89patch
- https://github.com/aardappel/lobster/product
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