CVE-2026-2259

aardappel lobster Parsing parser.h ParseStatements memory corruption

MEDIUM
5.5
CVSS Score
Published: February 10, 2026 at 02:32 AM UTC
Updated: June 17, 2026 at 10:30 AM UTC
2 products affected across 2 vendorsLobsterLobster

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (8)

VDB EntryTechnical DescriptionThird Party Advisory
Source: cverecord
https://vuldb.com/?id.345006
SignaturePermissions RequiredVDB Entry
Source: cverecord
https://vuldb.com/?ctiid.345006
Third Party AdvisoryExploitVDB Entry
Source: cverecord
https://vuldb.com/?submit.753168
Issue TrackingPatchVendor Advisory
Source: cverecord
https://github.com/aardappel/lobster/issues/396
Issue TrackingPatchVendor Advisory
Source: cverecord
https://github.com/aardappel/lobster/issues/396#issuecomment-3849019040

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-119CWE-787

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