Vulnerabilidades / CVE-2018-6551

crítica

CVE-2018-6551

glibc: integer overflow in malloc functions

Publicada Modificada CWE 190, 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:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Red Hat5.3CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

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

Descripción

The malloc implementation in the GNU C Library (aka glibc or libc6), from version 2.24 to 2.26 on powerpc, and only in version 2.26 on i386, did not properly handle malloc calls with arguments close to SIZE_MAX and could return a pointer to a heap region that is smaller than requested, eventually leading to heap corruption.

Paquetes afectados y versiones corregidas

FuentePaqueteCorregido en
Photon OS 1.0glibc2.22-19.ph1
Photon OS 2.0glibc2.26-10.ph2
amazon linux 2glibc, glibc-all-langpacks, glibc-benchtests y 198 más2.26-27.amzn2.0.4
debian 11glibc2.27-1
debian 12glibc2.27-1
debian 13glibc2.27-1
debian 14glibc2.27-1
echoglibc2.27-1
root.io debian 11rootio-glibc2.27-1
root.io debian 12rootio-glibc2.27-1
root.io debian 13rootio-glibc2.27-1
Mostrar las 211 entradas de 11 fuentes
FuentePaqueteCorregido en
Photon OS 1.0glibc2.22-19.ph1
Photon OS 2.0glibc2.26-10.ph2
amazon linux 2glibc2.26-27.amzn2.0.4
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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.