CVE-2026-2259

medium

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.

References

https://vuldb.com/?id.345006

https://github.com/oneafter/0204/blob/main/lob2/repro.lobster

https://vuldb.com/?submit.753168

https://vuldb.com/?ctiid.345006

https://github.com/aardappel/lobster/issues/396#issuecomment-3849019040

https://github.com/aardappel/lobster/issues/396

https://github.com/aardappel/lobster/commit/2f45fe860d00990e79e13250251c1dde633f1f89

https://github.com/aardappel/lobster/

Details

Source: Mitre, NVD

Published: 2026-02-10

Updated: 2026-04-29

Risk Information

CVSS v2

Base Score: 1.7

Vector: CVSS2#AV:L/AC:L/Au:S/C:N/I:N/A:P

Severity: Low

CVSS v3

Base Score: 5.5

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

Severity: Medium

CVSS v4

Base Score: 4.8

Vector: 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

Severity: Medium

EPSS

EPSS: 0.00015