CVE-2026-9504

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Source
https://cve.org/CVERecord?id=CVE-2026-9504
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-9504.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-9504
Downstream
Related
Published
2026-05-25T21:15:11Z
Modified
2026-08-12T16:09:30Z
Severity
  • 1.9 (Low) CVSS_V4 - CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P CVSS Calculator
Summary
GNU LibreDWG Dwggrep Utility dwggrep.c bit_convert_TU out-of-bounds
Details

A weakness has been identified in GNU LibreDWG up to 0.14. Affected is the function bit_convert_TU of the file programs/dwggrep.c of the component Dwggrep Utility. This manipulation causes out-of-bounds read. The attack needs to be launched locally. The exploit has been made available to the public and could be used for attacks. Patch name: be996bf2178a40e98720f18c2414815d244413db. Applying a patch is the recommended action to fix this issue.

Database specific 
{
    "cna_assigner": "VulDB",
    "cwe_ids": [
        "CWE-119",
        "CWE-125"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/9xxx/CVE-2026-9504.json",
    "unresolved_ranges": [
        {
            "extracted_events": [
                {
                    "introduced": "0.1"
                },
                {
                    "last_affected": "0.1"
                },
                {
                    "introduced": "0.2"
                },
                {
                    "last_affected": "0.2"
                }
            ],
            "source": "AFFECTED_FIELD"
        }
    ]
}
References

Affected packages

Git / github.com/libredwg/libredwg

Affected ranges

Type
GIT
Repo
https://github.com/libredwg/libredwg
Events
Introduced
66201afa2e70bd31c22e6666e3e49be2d8bca031
Fixed
be996bf2178a40e98720f18c2414815d244413db
Database specific
Show details 
{
    "extracted_events": [
        {
            "introduced": "0.3"
        },
        {
            "last_affected": "0.3"
        },
        {
            "introduced": "0.4"
        },
        {
            "last_affected": "0.4"
        },
        {
            "introduced": "0.5"
        },
        {
            "last_affected": "0.5"
        },
        {
            "introduced": "0.6"
        },
        {
            "last_affected": "0.6"
        },
        {
            "introduced": "0.7"
        },
        {
            "last_affected": "0.7"
        },
        {
            "introduced": "0.8"
        },
        {
            "last_affected": "0.8"
        },
        {
            "introduced": "0.9"
        },
        {
            "last_affected": "0.9"
        },
        {
            "introduced": "0.10"
        },
        {
            "last_affected": "0.10"
        },
        {
            "introduced": "0.11"
        },
        {
            "last_affected": "0.11"
        },
        {
            "introduced": "0.12"
        },
        {
            "last_affected": "0.12"
        },
        {
            "introduced": "0.13"
        },
        {
            "last_affected": "0.13"
        },
        {
            "introduced": "0.14"
        },
        {
            "last_affected": "0.14"
        }
    ],
    "source": [
        "AFFECTED_FIELD",
        "REFERENCES"
    ]
}

Affected versions

0.*
0.10
0.10.1
0.11
0.11.1
0.12
0.12.1
0.12.2
0.12.3
0.12.4
0.12.5
0.13
0.13.1
0.13.2
0.13.3
0.13.3.7163
0.13.3.7165
0.13.3.7166
0.13.3.7168
0.13.3.7176
0.13.3.7183
0.13.3.7186
0.13.3.7187
0.13.3.7190
0.13.3.7199
0.13.3.7217
0.13.3.7220
0.13.3.7223
0.13.3.7224
0.13.3.7225
0.13.3.7226
0.13.3.7227
0.13.3.7233
0.13.3.7240
0.13.3.7246
0.13.3.7251
0.13.3.7257
0.13.3.7259
0.13.3.7262
0.13.3.7264
0.13.3.7265
0.13.3.7268
0.13.3.7270
0.13.3.7273
0.13.3.7298
0.13.3.7306
0.13.3.7308
0.13.3.7320
0.13.3.7324
0.13.3.7327
0.13.3.7338
0.13.3.7341
0.13.3.7344
0.13.3.7345
0.13.3.7351
0.13.3.7371
0.13.3.7377
0.13.3.7385
0.13.3.7405
0.13.3.7409
0.13.3.7411
0.13.3.7412
0.13.3.7414
0.13.3.7420
0.13.3.7424
0.13.3.7426
0.13.3.7429
0.13.3.7431
0.13.3.7434
0.13.3.7437
0.13.3.7442
0.13.3.7445
0.13.3.7453
0.13.3.7456
0.13.3.7460
0.13.3.7466
0.13.3.7469
0.13.3.7472
0.13.3.7473
0.13.3.7483
0.13.3.7491
0.13.3.7501
0.13.3.7507
0.13.3.7516
0.13.3.7533
0.13.3.7534
0.13.3.7535
0.13.3.7539
0.13.3.7545
0.13.3.7551
0.13.3.7552
0.13.3.7554
0.13.3.7557
0.13.3.7558
0.13.3.7562
0.13.3.7571
0.13.3.7574
0.13.3.7577
0.13.3.7582
0.13.3.7599
0.13.3.7600
0.13.3.7603
0.13.3.7635
0.13.3.7637
0.13.3.7640
0.13.3.7646
0.13.3.7649
0.13.3.7650
0.13.3.7657
0.13.3.7663
0.13.3.7665
0.13.3.7675
0.13.3.7680
0.13.3.7685
0.13.3.7686
0.13.3.7690
0.13.3.7696
0.13.3.7702
0.13.3.7715
0.13.3.7721
0.13.3.7727
0.13.3.7730
0.13.3.7737
0.13.3.7741
0.13.3.7743
0.13.3.7752
0.13.3.7761
0.13.3.7763
0.13.3.7772
0.13.3.7776
0.13.3.7778
0.13.3.7789
0.13.3.7792
0.13.3.7794
0.13.3.7797
0.13.3.7802
0.13.3.7805
0.13.3.7808
0.13.3.7810
0.13.3.7812
0.13.3.7813
0.13.3.7816
0.13.3.7819
0.13.3.7825
0.13.3.7828
0.13.3.7835
0.13.3.7842
0.13.3.7846
0.13.3.7848
0.13.3.7849
0.13.3.7850
0.13.3.7851
0.13.3.7852
0.13.3.7861
0.13.3.7867
0.13.3.7873
0.13.3.7883
0.13.3.7897
0.13.3.7901
0.13.3.7906
0.13.3.7913
0.13.3.7918
0.13.4
0.13.4.7969
0.13.4.7974
0.13.4.7976
0.13.4.7985
0.13.4.7998
0.13.4.8001
0.13.4.8014
0.13.4.8018
0.13.4.8028
0.13.4.8036
0.13.4.8043
0.13.4.8051
0.13.4.8055
0.13.4.8085
0.13.4.8091
0.13.4.8104
0.13.4.8112
0.13.4.8115
0.13.4.8118
0.13.4.8123
0.13.4.8129
0.13.4.8131
0.13.4.8140
0.13.4.8144
0.13.4.8149
0.13.4.8160
0.13.4.8163
0.13.4.8166
0.13.4.8168
0.13.4.8169
0.13.4.8171
0.13.4.8174
0.13.4.8178
0.14
0.3
0.4
0.4-dev
0.4.900
0.4.924
0.4.938
0.5
0.6
0.6.1
0.6.2
0.7
0.8
0.9
0.9.1
0.9.2
0.9.3

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-9504.json"
vanir_signatures 
[
    {
        "deprecated": false,
        "digest": {
            "line_hashes": [
                "240795041863802980578403497924219477857",
                "257957063292174060783859355506638938941",
                "153663199416502278486998376755147394501",
                "42741925966608602461546825548136814106",
                "205704374111754188783906331831023023931",
                "172983791612361623010395178469734116553",
                "16108425747182538602891122044053861361",
                "12753196683967824262179842586132381258",
                "161044571099015027170791282954235955161"
            ],
            "threshold": 0.9
        },
        "id": "CVE-2026-9504-04a18bc4",
        "signature_type": "Line",
        "signature_version": "v1",
        "source": "https://github.com/libredwg/libredwg/commit/be996bf2178a40e98720f18c2414815d244413db",
        "target": {
            "file": "src/bits.h"
        }
    },
    {
        "deprecated": false,
        "digest": {
            "line_hashes": [
                "53531038607981974105738441162915743819",
                "223646168636280542459783831738296341163",
                "278026056577489998154935332886157637554",
                "117366066285890919419892979506145269630"
            ],
            "threshold": 0.9
        },
        "id": "CVE-2026-9504-3185292e",
        "signature_type": "Line",
        "signature_version": "v1",
        "source": "https://github.com/libredwg/libredwg/commit/be996bf2178a40e98720f18c2414815d244413db",
        "target": {
            "file": "programs/dwggrep.c"
        }
    },
    {
        "deprecated": false,
        "digest": {
            "function_hash": "322719291906259797903996674075834817877",
            "length": 267
        },
        "id": "CVE-2026-9504-d0013c8f",
        "signature_type": "Function",
        "signature_version": "v1",
        "source": "https://github.com/libredwg/libredwg/commit/be996bf2178a40e98720f18c2414815d244413db",
        "target": {
            "file": "programs/dwggrep.c",
            "function": "match_LTYPE"
        }
    }
]
vanir_signatures_modified 
"2026-08-12T16:09:30Z"