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Vulnerabilidades / CVE-2019-18224

crítica

CVE-2019-18224

libidn2: heap-based buffer overflow in idn2_to_ascii_4i in lib/lookup.c

Publicada Modificada CWE 787
En la Trivy database desde, como mínimo, el 24 oct 2026, 07:11 UTCNo consta cuándo entró antes de ese build.

Severidad por fuente

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Red Hat5.6CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

La etiqueta propia de Trivy es CRITICAL. Crítica según NVD. Más baja según Red Hat (media), Amazon (media), Ubuntu (media).

Descripción

idn2_to_ascii_4i in lib/lookup.c in GNU libidn2 before 2.1.1 has a heap-based buffer overflow via a long domain string.

Paquetes afectados y versiones corregidas

FuentePaqueteCorregido en
alpine 3.12libidn22.1.1-r0
alpine 3.13libidn22.1.1-r0
alpine 3.14libidn22.1.1-r0
alpine 3.15libidn22.1.1-r0
alpine 3.16libidn22.1.1-r0
alpine 3.17libidn22.1.1-r0
alpine 3.18libidn22.1.1-r0
alpine 3.19libidn22.1.1-r0
alpine 3.20libidn22.1.1-r0
alpine 3.21libidn22.1.1-r0
alpine 3.22libidn22.1.1-r0
alpine 3.23libidn22.1.1-r0
Mostrar las 33 entradas de 27 fuentes
FuentePaqueteCorregido en
alpine 3.12libidn22.1.1-r0
alpine 3.13libidn22.1.1-r0
alpine 3.14libidn22.1.1-r0
alpine 3.15libidn22.1.1-r0
alpine 3.16libidn22.1.1-r0
alpine 3.17libidn22.1.1-r0
alpine 3.18libidn22.1.1-r0
alpine 3.19libidn22.1.1-r0
alpine 3.20libidn22.1.1-r0
alpine 3.21libidn22.1.1-r0
alpine 3.22libidn22.1.1-r0
alpine 3.23libidn22.1.1-r0
alpine 3.24libidn22.1.1-r0
alpine edgelibidn22.1.1-r0
amazon linux 1idn22.3.0-1.4.amzn1
amazon linux 1libidn22.3.0-1.4.amzn1
amazon linux 1libidn2-debuginfo2.3.0-1.4.amzn1
amazon linux 1libidn2-devel2.3.0-1.4.amzn1
amazon linux 2idn22.3.0-1.amzn2
amazon linux 2libidn22.3.0-1.amzn2
amazon linux 2libidn2-debuginfo2.3.0-1.amzn2
amazon linux 2libidn2-devel2.3.0-1.amzn2
chainguardlibidn20
debian 10libidn22.0.5-1+deb10u1
debian 11libidn22.2.0-1
debian 12libidn22.2.0-1
debian 13libidn22.2.0-1
debian 14libidn22.2.0-1
echolibidn22.2.0-1
ubuntu 18.04libidn22.0.4-1.1ubuntu0.2
ubuntu 18.04-ESMlibidn22.0.4-1.1ubuntu0.2
ubuntu 19.04libidn22.0.5-1ubuntu0.3
wolfilibidn20

Referencias

Las 16 referencias

Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.