JLSEC-2026-1240

Source
https://github.com/JuliaLang/SecurityAdvisories.jl/blob/main/advisories/published/2026/JLSEC-2026-1240.md
Import Source
https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-1240.json
JSON Data
https://api.test.osv.dev/v1/vulns/JLSEC-2026-1240
Upstream
Published
2026-08-10T01:45:29Z
Modified
2026-08-10T02:00:03Z
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
  • 7.0 (High) CVSS_V4 - CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X CVSS Calculator
Summary
[none]
Details

Use After Free in libxml2's xmlParseInternalSubset from GNOME libxml2 version 2.9.11 to 2.11.0 allows a remote attacker to cause a denial-of-service via maliciously crafted XML input with improper entity resolution handling.

Database specific
{
    "license":  "CC-BY-4.0",
    "sources":  [
        {
            "database_specific":  {
                "status":  "Analyzed"
            },
            "html_url":  "https://nvd.nist.gov/vuln/detail/CVE-2026-6653",
            "id":  "CVE-2026-6653",
            "imported":  "2026-08-09T06:30:35.887Z",
            "modified":  "2026-07-14T16:00:16.047Z",
            "published":  "2026-06-22T14:17:51.113Z",
            "url":  "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-6653"
        }
    ]
}
References

Affected packages

Julia / XML2_jll

Package

Name
XML2_jll
Purl
pkg:julia/XML2_jll?uuid=02c8fc9c-b97f-50b9-bbe4-9be30ff0a78a

Affected ranges

Type
SEMVER
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.11.5+0

Database specific

source
"https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-1240.json"