CVE-2022-23852
Estado: ModificadaCrítica (9.8)—
Expat (aka libexpat) before 2.4.4 has a signed integer overflow in XML_GetBuffer, for configurations with a nonzero XML_CONTEXT_BYTES.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Puntuación base: 9.8
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 4.56%
- Percentil entre todas las CVEs puntuadas: 91
- Fecha de la puntuación: 6/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (7)
CWE
- CWE-190
- CWE-190
Referencias
- https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdf
- https://github.com/libexpat/libexpat/pull/550
- https://lists.debian.org/debian-lts-announce/2022/03/msg00007.html
- https://security.gentoo.org/glsa/202209-24
- https://security.netapp.com/advisory/ntap-20220217-0001/
- https://www.debian.org/security/2022/dsa-5073
- https://www.oracle.com/security-alerts/cpuapr2022.html
- https://www.tenable.com/security/tns-2022-05
- https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdf
- https://github.com/libexpat/libexpat/pull/550
- https://lists.debian.org/debian-lts-announce/2022/03/msg00007.html
- https://security.gentoo.org/glsa/202209-24
- https://security.netapp.com/advisory/ntap-20220217-0001/
- https://www.debian.org/security/2022/dsa-5073
- https://www.oracle.com/security-alerts/cpuapr2022.html
- https://www.tenable.com/security/tns-2022-05
JSON original (NVD)
Mostrar
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