VDB
JLSEC-2025-51
JLSEC-2025-51
PUBLISHED
CVSS 5 MEDIUM
Record from OSV · Published October 14, 2025
Expat (aka libexpat) before 2.4.4 has an integer overflow in the doProlog function.
Fixed versions
Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.
| Package | Ecosystem | Fixed in |
|---|---|---|
| Expat_jll | juliahub.com | 2.4.4+0 |
| Expat_jll | pkg.julialang.org | 2.4.4+0 |
Risk scores
CVSS 2.0
5
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Julia | Expat_jll | 0 |
| Julia | Expat_jll | 0 |
Timeline
- Oct 14, 2025 CVE Published
- Jul 18, 2026 CVE Updated
- Aug 8, 2026 Distribution Patch
Query this with the API
The same record, from the CLI:
vulnetix vdb vuln JLSEC-2025-51
vulnetix vdb fixes JLSEC-2025-51
Or with curl, using the org id and key from your account page:
curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
"https://api.vdb.vulnetix.com/v2/vuln/JLSEC-2025-51/fixes/registry"
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References
- https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdf url
- https://github.com/libexpat/libexpat/pull/551 url
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/34NXVL2RZC2YZRV74ZQ3RNFB7WCEUP7D/ url
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R7FF2UH7MPXKTADYSJUAHI2Y5UHBSHUH/ url
- https://security.gentoo.org/glsa/202209-24 url
- https://www.debian.org/security/2022/dsa-5073 url
- https://www.oracle.com/security-alerts/cpuapr2022.html url
- https://www.tenable.com/security/tns-2022-05 url