CVE-2026-2887

LOW

aardappel lobster <2025.4 - Memory Corruption

Title source: llm

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)

[Various Sources] https://github.com/aardappel/lobster/

[Various Sources] https://github.com/oneafter/0204/blob/main/lob3/repro.lobster

View Writeup ZIP pw:eip

[Permissions Required, VDB Entry] https://vuldb.com/?ctiid.347181

[Permissions Required, VDB Entry] https://vuldb.com/?id.347181

[Permissions Required, VDB Entry] https://vuldb.com/?submit.755026

[Patch] https://github.com/aardappel/lobster/commit/8ba49f98ccfc9734ef352146806433a41d9f9aa6

[Issue Tracking] https://github.com/aardappel/lobster/issues/397

[Issue Tracking] https://github.com/aardappel/lobster/issues/397#issuecomment-3849015088

[Release Notes] https://github.com/aardappel/lobster/releases/tag/v2026.1

Scores

CVSS v3 3.3

EPSS 0.0002

EPSS Percentile 4.4%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Classification

CWE

CWE-674 CWE-404

Status published

Affected Products (1)

strlen/lobster < 2026.1

Timeline

Published Feb 21, 2026

Tracked Since Feb 22, 2026