CVE-2026-2259
A vulnerability has been found in aardappel lobster up to 2025.4.
Does this matter?
Lower severity and a low EPSS score (0.22%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 4.0
- 1.9 LOWCVSS: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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
- EPSS
- 0.22% probability · 13th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119, CWE-787
- Affected
- strlen/lobster
- Source
- cna@vuldb.com
References
- https://github.com/aardappel/lobster/Product
- https://github.com/aardappel/lobster/commit/2f45fe860d00990e79e13250251c1dde633f1f89Patch
- https://github.com/aardappel/lobster/issues/396Issue Tracking, Patch, Vendor Advisory
- https://github.com/aardappel/lobster/issues/396#issuecomment-3849019040Issue Tracking, Patch, Vendor Advisory
- https://github.com/oneafter/0204/blob/main/lob2/repro.lobsterExploit
- https://vuldb.com/?ctiid.345006Permissions Required, VDB Entry
- https://vuldb.com/?id.345006Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.753168Exploit, Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.