CVE-2026-33982

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.24.2, there is a heap-buffer-overflow READ vulnerability at 24 bytes before the allocation, in winpralignedoffset_recalloc(). This issue has been patched in version 3.24.2.

Database specific

{
    "cwe_ids": [
        "CWE-125"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/33xxx/CVE-2026-33982.json",
    "cna_assigner": "GitHub_M",
    "unresolved_ranges": [
        {
            "source": "AFFECTED_FIELD",
            "extracted_events": [
                {
                    "fixed": "3.24.2"
                }
            ]
        }
    ]
}

References

Affected packages

Git / github.com/freerdp/freerdp

Affected ranges

Type

GIT

Repo

https://github.com/freerdp/freerdp

Events

Introduced

Fixed

a48dbde2c8a5b8b70a9d1c045d969a71afd6284c

Database specific

{
    "source": "REFERENCES"
}

Affected versions

1.*

1.0-beta1

1.0-beta2

1.0-beta4

1.0-beta5

1.0.0

1.0.1

1.1.0-beta+2013071101

1.1.0-beta1

1.1.0-beta1+android2

1.1.0-beta1+android3

1.1.0-beta1+android4

1.1.0-beta1+android5

1.1.0-beta1+ios1

1.1.0-beta1+ios2

1.1.0-beta1+ios3

1.1.0-beta1+ios4

1.2.0-beta1+android7

1.2.0-beta1+android9

2.*

2.0.0

2.0.0-beta1+android10

2.0.0-beta1+android11

2.0.0-rc0

2.0.0-rc1

2.0.0-rc2

2.0.0-rc3

2.0.0-rc4

3.*

3.0.0

3.0.0-beta1

3.0.0-beta2

3.0.0-beta3

3.0.0-beta4

3.0.0-rc0

3.1.0

3.2.0

3.3.0

3.4.0

3.5.0

3.5.1

Database specific

vanir_signatures_modified

"2026-07-22T00:02:54Z"

vanir_signatures

[
    {
        "signature_type": "Function",
        "target": {
            "file": "libfreerdp/cache/persistent.c",
            "function": "persistent_cache_read_entry_v3"
        },
        "deprecated": false,
        "source": "https://github.com/freerdp/freerdp/commit/a48dbde2c8a5b8b70a9d1c045d969a71afd6284c",
        "id": "CVE-2026-33982-130a38c8",
        "signature_version": "v1",
        "digest": {
            "function_hash": "320394113324326461490117516650226532276",
            "length": 814.0
        }
    },
    {
        "signature_type": "Function",
        "target": {
            "file": "libfreerdp/cache/persistent.c",
            "function": "persistent_cache_new"
        },
        "deprecated": false,
        "source": "https://github.com/freerdp/freerdp/commit/a48dbde2c8a5b8b70a9d1c045d969a71afd6284c",
        "id": "CVE-2026-33982-50dede54",
        "signature_version": "v1",
        "digest": {
            "function_hash": "339680760945305690578763630665798340834",
            "length": 264.0
        }
    },
    {
        "signature_type": "Line",
        "target": {
            "file": "libfreerdp/cache/persistent.c"
        },
        "deprecated": false,
        "source": "https://github.com/freerdp/freerdp/commit/a48dbde2c8a5b8b70a9d1c045d969a71afd6284c",
        "id": "CVE-2026-33982-899b8aed",
        "signature_version": "v1",
        "digest": {
            "line_hashes": [
                "283775200926530570219154730823401869481",
                "104676554167316622436203919072443547966",
                "241137310166181725429755143254380870828",
                "55735469161518424490925210403296052826",
                "329218132929044373822586384957449481447",
                "69831361137629150205098205416833647936",
                "107530161213400617767865586613897339881",
                "336930435126234267483162636910829119317",
                "132383995117502571618269692280110021575",
                "114439756357433356701750770555477000437",
                "292780370065535459505732074315227931285"
            ],
            "threshold": 0.9
        }
    }
]

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-33982.json"