CVE-2026-31899

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Source
https://cve.org/CVERecord?id=CVE-2026-31899
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-31899.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-31899
Aliases
Downstream
Related
Published
2026-03-13T19:38:43.990Z
Modified
2026-08-12T03:51:48.506082876Z
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
CairoSVG vulnerable to Exponential DoS via recursive <use> element amplification
Details

CairoSVG is an SVG converter based on Cairo, a 2D graphics library. Prior to Kozea/CairoSVG has exponential denial of service via recursive <use> element amplification in cairosvg/defs.py. This causes CPU exhaustion from a small input.

Database specific 
{
    "cwe_ids": [
        "CWE-674"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/31xxx/CVE-2026-31899.json",
    "cna_assigner": "GitHub_M"
}
References

Affected packages

Git / github.com/kozea/cairosvg

Affected ranges

Type
GIT
Repo
https://github.com/kozea/cairosvg
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
fe5cae58e929e6d4337442c96ab415d1a7230905
Fixed
6dde8685ed3f19837767bce7a13a5491e3d0e0bf
Database specific
Show details 
{
    "cpe": "cpe:2.3:a:courtbouillon:cairosvg:*:*:*:*:*:*:*:*",
    "source": [
        "CPE_RANGE",
        "REFERENCES"
    ],
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "2.9.0"
        }
    ]
}

Affected versions

0.*
0.1
0.1.1
0.2
0.3
0.3.1
0.4
0.4.1
0.4.2
0.4.3
0.4.4
0.5
1.*
1.0
1.0.1
1.0.10
1.0.11
1.0.12
1.0.13
1.0.14
1.0.15
1.0.16
1.0.17
1.0.18
1.0.19
1.0.2
1.0.3
1.0.4
1.0.5
1.0.6
1.0.7
1.0.8
1.0.9
2.*
2.0.0
2.0.0-rc6
2.0.0rc1
2.0.0rc2
2.0.0rc3
2.0.0rc4
2.0.0rc5
2.0.0rc6
2.0.1
2.0.2
2.0.3
2.1.0
2.1.1
2.1.2
2.1.3
2.2.0
2.2.1
2.3.0
2.3.1
2.4.0
2.4.1
2.4.2
2.5.0
2.5.1
2.5.2
2.6.0
2.7.0
2.7.1
2.8.0
2.8.1
2.8.2

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-31899.json"