OESA-2026-2500

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Source
https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2026-2500
Import Source
https://repo.openeuler.org/security/data/osv/OESA-2026-2500.json
JSON Data
https://api.test.osv.dev/v1/vulns/OESA-2026-2500
Upstream
Published
2026-05-29T13:35:02Z
Modified
2026-05-29T13:45:05.699180973Z
Summary
expat security update
Details

expat is a stream-oriented XML parser library written in C. expat excels with files too large to fit RAM, and where performance and flexibility are crucial.

Security Fix(es):

In libexpat before 2.8.1, the computational complexity of attribute name collision checks allows a denial of service via moderately sized crafted XML input.(CVE-2026-45186)

Database specific 
{
    "severity": "High"
}
References

Affected packages

openEuler:24.03-LTS-SP1 / expat

Package

Name
expat
Purl
pkg:rpm/openEuler/expat&distro=openEuler-24.03-LTS-SP1

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.5.0-19.oe2403sp1

Ecosystem specific 

{
    "x86_64": [
        "expat-2.5.0-19.oe2403sp1.x86_64.rpm",
        "expat-debuginfo-2.5.0-19.oe2403sp1.x86_64.rpm",
        "expat-debugsource-2.5.0-19.oe2403sp1.x86_64.rpm",
        "expat-devel-2.5.0-19.oe2403sp1.x86_64.rpm"
    ],
    "src": [
        "expat-2.5.0-19.oe2403sp1.src.rpm"
    ],
    "aarch64": [
        "expat-2.5.0-19.oe2403sp1.aarch64.rpm",
        "expat-debuginfo-2.5.0-19.oe2403sp1.aarch64.rpm",
        "expat-debugsource-2.5.0-19.oe2403sp1.aarch64.rpm",
        "expat-devel-2.5.0-19.oe2403sp1.aarch64.rpm"
    ],
    "noarch": [
        "expat-help-2.5.0-19.oe2403sp1.noarch.rpm"
    ]
}

Database specific

source 
"https://repo.openeuler.org/security/data/osv/OESA-2026-2500.json"