CVE-2026-2259

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Source
https://cve.org/CVERecord?id=CVE-2026-2259
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-2259.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-2259
Published
2026-02-10T02:32:08Z
Modified
2026-10-28T11:09:48Z
Severity
  • 1.9 (Low) CVSS_V4 - 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/E:P CVSS Calculator
Summary
aardappel lobster Parsing parser.h ParseStatements memory corruption
Details

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.

Database specific 
{
    "cna_assigner":  "VulDB",
    "cwe_ids":  [
        "CWE-119"
    ],
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/2xxx/CVE-2026-2259.json"
}
References

Affected packages

Git / github.com/aardappel/lobster

Affected ranges

Type
GIT
Repo
https://github.com/aardappel/lobster
Events
Introduced
3099fed70556742a460cf902239da20e0a3beb3f
Fixed
2f45fe860d00990e79e13250251c1dde633f1f89
Database specific
Show details 
{
    "extracted_events":  [
        {
            "range":  [
                {
                    "introduced":  "2025.0"
                },
                {
                    "last_affected":  "2025.0"
                }
            ],
            "source":  "AFFECTED_FIELD",
            "strategy":  "StandaloneSingleVersion"
        },
        {
            "range":  [
                {
                    "introduced":  "2025.1"
                },
                {
                    "last_affected":  "2025.1"
                }
            ],
            "source":  "AFFECTED_FIELD",
            "strategy":  "StandaloneSingleVersion"
        },
        {
            "range":  [
                {
                    "introduced":  "2025.2"
                },
                {
                    "last_affected":  "2025.2"
                }
            ],
            "source":  "AFFECTED_FIELD",
            "strategy":  "StandaloneSingleVersion"
        },
        {
            "range":  [
                {
                    "introduced":  "2025.3"
                },
                {
                    "last_affected":  "2025.3"
                }
            ],
            "source":  "AFFECTED_FIELD",
            "strategy":  "StandaloneSingleVersion"
        },
        {
            "range":  [
                {
                    "introduced":  "2025.4"
                },
                {
                    "last_affected":  "2025.4"
                }
            ],
            "source":  "AFFECTED_FIELD",
            "strategy":  "StandaloneSingleVersion"
        },
        {
            "range":  [
                {
                    "fixed":  "2f45fe860d00990e79e13250251c1dde633f1f89"
                }
            ],
            "source":  "REFERENCES_COMMIT"
        }
    ]
}

Affected versions

2025.*
2025.0
2025.1
2025.2
2025.3
2025.4
v2025.*
v2025.0
v2025.1
v2025.2
v2025.3
v2025.4

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-2259.json"
vanir_signatures 
[
    {
        "deprecated":  false,
        "digest":  {
            "line_hashes":  [
                "14431847067098788917002389626945123796",
                "198016880518592490858131099026057322917",
                "299841096168451569541472544696957966366",
                "267498294270574172788541796230356870511",
                "70106359949407829395778539218672129610",
                "9168717164632508204389848901840988727",
                "198852430302128499859780812772647066979",
                "16988111020498090564702997369260342090"
            ],
            "threshold":  0.9
        },
        "id":  "CVE-2026-2259-e795595a",
        "signature_type":  "Line",
        "signature_version":  "v1",
        "source":  "https://github.com/aardappel/lobster/commit/2f45fe860d00990e79e13250251c1dde633f1f89",
        "target":  {
            "file":  "dev/src/lobster/parser.h"
        }
    }
]
vanir_signatures_modified 
"2026-10-28T11:09:48Z"