CVE-2021-23158

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Source
https://cve.org/CVERecord?id=CVE-2021-23158
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-23158.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2021-23158
Downstream
Published
2022-03-16T15:15:10.100Z
Modified
2026-07-08T21:26:00.074328Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

A flaw was found in htmldoc in v1.9.12. Double-free in function pspdf_export(),in ps-pdf.cxx may result in a write-what-where condition, allowing an attacker to execute arbitrary code and denial of service.

References

Affected packages

Git / github.com/michaelrsweet/htmldoc

Affected ranges

Type
GIT
Repo
https://github.com/michaelrsweet/htmldoc
Events
Introduced
df5d3010151a506c5ca138548aac02b37fb421f9
Last affected
df5d3010151a506c5ca138548aac02b37fb421f9
Fixed
369b2ea1fd0d0537ba707f20a2f047b6afd2fbdc
Database specific 
{
    "cpe": "cpe:2.3:a:htmldoc_project:htmldoc:1.9.12:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "1.9.12"
        },
        {
            "last_affected": "1.9.12"
        }
    ],
    "source": [
        "CPE_STRING",
        "REFERENCES"
    ]
}

Affected versions

1.*
1.9.12
v1.*
v1.9.12

Database specific

vanir_signatures 
[
    {
        "digest": {
            "function_hash": "92322127114415870521607068119991088032",
            "length": 2039.0
        },
        "target": {
            "function": "pspdf_prepare_page",
            "file": "htmldoc/ps-pdf.cxx"
        },
        "id": "CVE-2021-23158-1f68d2fe",
        "signature_version": "v1",
        "signature_type": "Function",
        "source": "https://github.com/michaelrsweet/htmldoc/commit/369b2ea1fd0d0537ba707f20a2f047b6afd2fbdc",
        "deprecated": false
    },
    {
        "digest": {
            "function_hash": "319000601398196051361739018736045259971",
            "length": 5590.0
        },
        "target": {
            "function": "write_trailer",
            "file": "htmldoc/ps-pdf.cxx"
        },
        "id": "CVE-2021-23158-335d3575",
        "signature_version": "v1",
        "signature_type": "Function",
        "source": "https://github.com/michaelrsweet/htmldoc/commit/369b2ea1fd0d0537ba707f20a2f047b6afd2fbdc",
        "deprecated": false
    },
    {
        "digest": {
            "function_hash": "273838597093441093367409498317500445991",
            "length": 1495.0
        },
        "target": {
            "function": "image_load_jpeg",
            "file": "htmldoc/image.cxx"
        },
        "id": "CVE-2021-23158-3a6adf34",
        "signature_version": "v1",
        "signature_type": "Function",
        "source": "https://github.com/michaelrsweet/htmldoc/commit/369b2ea1fd0d0537ba707f20a2f047b6afd2fbdc",
        "deprecated": false
    },
    {
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "24233290535264989810748690679705506210",
                "100801203083552384439762334466782870457",
                "286453315102484514880779508538999003133",
                "325380916168297110754537502992714039597",
                "142913364914498751147094645847081107842",
                "2327086209042552317056688615316982611"
            ]
        },
        "target": {
            "file": "htmldoc/file.c"
        },
        "id": "CVE-2021-23158-637cccf5",
        "signature_version": "v1",
        "signature_type": "Line",
        "source": "https://github.com/michaelrsweet/htmldoc/commit/369b2ea1fd0d0537ba707f20a2f047b6afd2fbdc",
        "deprecated": false
    },
    {
        "digest": {
            "function_hash": "253040243785350020620576354982529485400",
            "length": 231.0
        },
        "target": {
            "function": "file_rlookup",
            "file": "htmldoc/file.c"
        },
        "id": "CVE-2021-23158-7b516114",
        "signature_version": "v1",
        "signature_type": "Function",
        "source": "https://github.com/michaelrsweet/htmldoc/commit/369b2ea1fd0d0537ba707f20a2f047b6afd2fbdc",
        "deprecated": false
    },
    {
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "174351675257079302674288344624817020623",
                "101601067056068637150692630605931669980",
                "280391808546796513492317466962874985719",
                "284919528584911699891782557142563906198",
                "316655231958914577262750320733714241484",
                "259903975631848402735195579438303810430",
                "252468788629462972060277174261718033030",
                "132214329166457028830166077776864133259"
            ]
        },
        "target": {
            "file": "htmldoc/ps-pdf.cxx"
        },
        "id": "CVE-2021-23158-a05e793f",
        "signature_version": "v1",
        "signature_type": "Line",
        "source": "https://github.com/michaelrsweet/htmldoc/commit/369b2ea1fd0d0537ba707f20a2f047b6afd2fbdc",
        "deprecated": false
    },
    {
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "93662261141235397336793541586627527916",
                "178372303592823082188525915246518540",
                "182627793998545929107488062471140628976",
                "49165471055202665109567153679255754669",
                "212925988256507582288616706848766924941",
                "319138341660598085657295740529178907075",
                "216016017510746556388864693638497132619",
                "248935907130947220320096162946614045664",
                "150202415247926317426841370161245844037",
                "37660859905881833385899212080022329555",
                "108056819864349876478404953972008958215",
                "231504663485709970494918551729485520299",
                "124873979014350377780002559371087860547",
                "324261901752826121729680621978216219693",
                "204453826772054237783218990803904725774",
                "88619547742534205724900377237136528247",
                "216161839705182387489013709942683485324"
            ]
        },
        "target": {
            "file": "htmldoc/image.cxx"
        },
        "id": "CVE-2021-23158-a3c2eb74",
        "signature_version": "v1",
        "signature_type": "Line",
        "source": "https://github.com/michaelrsweet/htmldoc/commit/369b2ea1fd0d0537ba707f20a2f047b6afd2fbdc",
        "deprecated": false
    },
    {
        "digest": {
            "function_hash": "257817902150553678093130567542449157059",
            "length": 44.0
        },
        "target": {
            "function": "jpeg_error_handler",
            "file": "htmldoc/image.cxx"
        },
        "id": "CVE-2021-23158-c6a9284b",
        "signature_version": "v1",
        "signature_type": "Function",
        "source": "https://github.com/michaelrsweet/htmldoc/commit/369b2ea1fd0d0537ba707f20a2f047b6afd2fbdc",
        "deprecated": false
    }
]
source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-23158.json"
vanir_signatures_modified 
"2026-07-08T21:26:00Z"