Description
A security vulnerability has been detected in aardappel lobster up to 2025.4. This impacts the function lobster::TypeName in the library dev/src/lobster/idents.h. Such manipulation leads to uncontrolled recursion. The attack can only be performed from a local environment. The exploit has been disclosed publicly and may be used. Upgrading to version 2026.1 will fix this issue. The name of the patch is 8ba49f98ccfc9734ef352146806433a41d9f9aa6. It is advisable to upgrade the affected component.
CVSS breakdown
CVSS 4.0
Attack Vector
Local
Attack Complexity
Low
Attack Requirements
None
Privileges Required
Low
User Interaction
None
Confidentiality (Vulnerable System)
None
Integrity (Vulnerable System)
None
Availability (Vulnerable System)
Low
Confidentiality (Subsequent System)
None
Integrity (Subsequent System)
None
Availability (Subsequent System)
None
E
Physical
CVSS 3.1
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low
E
Physical
RL
O
RC
Changed
Affected products
- aardappel / lobster2025.0 – 2025.0
- aardappel / lobster2025.1 – 2025.1
- aardappel / lobster2025.2 – 2025.2
- aardappel / lobster2025.3 – 2025.3
- aardappel / lobster2025.4 – 2025.4
- aardappel / lobster2026.1 – 2026.1
References
- MISChttps://vuldb.com/?id.347181
- MISChttps://vuldb.com/?ctiid.347181
- MISChttps://vuldb.com/?submit.755026
- MISChttps://github.com/aardappel/lobster/issues/397
- MISChttps://github.com/aardappel/lobster/issues/397#issuecomment-3849015088
- MISChttps://github.com/oneafter/0204/blob/main/lob3/repro.lobster
- PATCHhttps://github.com/aardappel/lobster/commit/8ba49f98ccfc9734ef352146806433a41d9f9aa6
- PATCHhttps://github.com/aardappel/lobster/releases/tag/v2026.1
- MISChttps://github.com/aardappel/lobster/