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.
References (9)
Core 9
Core References
Permissions Required, VDB Entry vdb-entry
technical-description
https://vuldb.com/?id.347181
Permissions Required, VDB Entry signature
permissions-required
https://vuldb.com/?ctiid.347181
Permissions Required, VDB Entry third-party-advisory
https://vuldb.com/?submit.755026
Issue Tracking issue-tracking
https://github.com/aardappel/lobster/issues/397
Issue Tracking issue-tracking
https://github.com/aardappel/lobster/issues/397#issuecomment-3849015088
Various Sources exploit
https://github.com/oneafter/0204/blob/main/lob3/repro.lobster
Release Notes patch
https://github.com/aardappel/lobster/releases/tag/v2026.1
Various Sources product
https://github.com/aardappel/lobster/
Scores
CVSS v3
3.3
EPSS
0.0018
EPSS Percentile
7.7%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-404
CWE-674
Status
published
Products (1)
strlen/lobster
< 2026.1
Published
Feb 21, 2026
Tracked Since
Feb 22, 2026