Vulnerabilidades / CVE-2026-3849

crítica

CVE-2026-3849

Stack Buffer Overflow in wc_HpkeLabeledExtract via Oversized ECH Confi ...

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
Julia6.9CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/V:D/RE:M/U:Amber

La etiqueta propia de Trivy es CRITICAL. Crítica según NVD. Más baja según Julia (media).

Descripción

Stack Buffer Overflow in wc_HpkeLabeledExtract via Oversized ECH Config. A vulnerability existed in wolfSSL 5.8.4 ECH (Encrypted Client Hello) support, where a maliciously crafted ECH config could cause a stack buffer overflow on the client side, leading to potential remote execution and client program crash. This could be exploited by a malicious TLS server supporting ECH. Note that ECH is off by default, and is only enabled with enable-ech.

Paquetes afectados y versiones corregidas

FuentePaqueteCorregido en
alpine 3.23wolfssl5.9.1-r0
alpine 3.24wolfssl5.9.0-r0
alpine edgewolfssl5.9.0-r0
debian 11wolfsslsin corrección indicada
debian 12wolfsslsin corrección indicada
debian 13wolfsslsin corrección indicada
echowolfsslsin corrección indicada
julia::Julia Ecosystem Security AdvisorieswolfSSL_jll5.9.2+0
rapidfort alpine 3.20wolfssl5.9.0-r0
rapidfort alpine 3.21wolfssl5.9.0-r0
rapidfort alpine 3.22wolfssl5.9.0-r0
rapidfort debian 12wolfssl0:5.9.0-0.1
Mostrar las 13 entradas de 13 fuentes
FuentePaqueteCorregido en
alpine 3.23wolfssl5.9.1-r0
alpine 3.24wolfssl5.9.0-r0
alpine edgewolfssl5.9.0-r0
debian 11wolfsslsin corrección indicada
debian 12wolfsslsin corrección indicada
debian 13wolfsslsin corrección indicada
echowolfsslsin corrección indicada
julia::Julia Ecosystem Security AdvisorieswolfSSL_jll5.9.2+0
rapidfort alpine 3.20wolfssl5.9.0-r0
rapidfort alpine 3.21wolfssl5.9.0-r0
rapidfort alpine 3.22wolfssl5.9.0-r0
rapidfort debian 12wolfssl0:5.9.0-0.1
rapidfort debian 13wolfssl0:5.9.0-0.1

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.