CVE-2023-25193

See a problem?
Please try reporting it to the source first.
Source
https://cve.org/CVERecord?id=CVE-2023-25193
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-25193.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2023-25193
Aliases
Downstream
Related
Published
2023-02-04T00:00:00Z
Modified
2026-07-15T01:36:24.532467Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

hb-ot-layout-gsubgpos.hh in HarfBuzz through 6.0.0 allows attackers to trigger O(n^2) growth via consecutive marks during the process of looking back for base glyphs when attaching marks.

Database specific 
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/25xxx/CVE-2023-25193.json",
    "cna_assigner": "mitre"
}
References

Affected packages

Git / github.com/harfbuzz/harfbuzz

Affected ranges

Type
GIT
Repo
https://github.com/harfbuzz/harfbuzz
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
85be877925ddbf34f74a1229f3ca1716bb6170dc
Database specific 
{
    "source": [
        "CPE_RANGE",
        "REFERENCES"
    ],
    "cpe": "cpe:2.3:a:harfbuzz_project:harfbuzz:*:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "6.0.0"
        }
    ]
}

Affected versions

0.*
0.6.0
0.9.1
0.9.10
0.9.11
0.9.12
0.9.13
0.9.14
0.9.15
0.9.16
0.9.17
0.9.18
0.9.19
0.9.2
0.9.20
0.9.21
0.9.22
0.9.23
0.9.24
0.9.25
0.9.26
0.9.27
0.9.28
0.9.29
0.9.3
0.9.30
0.9.31
0.9.32
0.9.33
0.9.34
0.9.35
0.9.36
0.9.37
0.9.38
0.9.39
0.9.4
0.9.40
0.9.41
0.9.42
0.9.5
0.9.6
0.9.7
0.9.8
0.9.9
1.*
1.0.0
1.0.1
1.0.2
1.0.3
1.0.4
1.0.5
1.0.6
1.1.0
1.1.1
1.1.2
1.1.3
1.2.0
1.2.1
1.2.2
1.2.3
1.2.4
1.2.5
1.2.6
1.2.7
1.3.0
1.3.1
1.3.2
1.3.3
1.3.4
1.4.0
1.4.1
1.4.2
1.4.3
1.4.4
1.4.5
1.4.6
1.4.7
1.4.8
1.5.0
1.5.1
1.6.0
1.6.1
1.6.2
1.6.3
1.7.0
1.7.1
1.7.2
1.7.3
1.7.4
1.7.5
1.7.6
1.7.7
1.8.0
1.8.1
1.8.2
1.8.3
1.8.4
1.8.5
1.8.6
1.8.7
1.8.8
1.9.0
2.*
2.0.0
2.0.1
2.0.2
2.1.0
2.1.1
2.1.2
2.1.3
2.2.0
2.3.0
2.5.0
2.5.1
2.5.2
2.5.3
2.6.0
2.6.1
2.6.2
2.6.3
2.6.4
2.6.5
2.6.6
2.6.7
2.6.8
2.7.0
2.7.1
2.7.2
2.7.3
2.7.4
2.8.0
2.8.1
2.8.2
2.9.0
2.9.1
3.*
3.0.0
3.1.0
3.1.1
3.1.2
3.2.0
3.3.0
3.3.1
3.3.2
3.4.0
4.*
4.0.0
4.0.1
4.1.0
4.2.0
4.2.1
4.3.0
4.4.0
4.4.1
5.*
5.0.0
5.0.1
5.1.0
5.2.0
5.3.0
5.3.1
6.*
6.0.0
Other
hb-rename
ng-mergepoint
pango-extractpoint
pango-start

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-25193.json"
vanir_signatures_modified 
"2026-07-15T01:36:24Z"
vanir_signatures 
[
    {
        "deprecated": false,
        "signature_type": "Line",
        "source": "https://github.com/harfbuzz/harfbuzz/commit/85be877925ddbf34f74a1229f3ca1716bb6170dc",
        "digest": {
            "line_hashes": [
                "199082770400909606321589194843450527664",
                "87419159144381551629992409665691100659",
                "316516650934869293814167978590599149972",
                "203275194265138133167303134542089474071"
            ],
            "threshold": 0.9
        },
        "signature_version": "v1",
        "target": {
            "file": "src/hb-ot-layout-gsubgpos.hh"
        },
        "id": "CVE-2023-25193-cb610f4e"
    }
]