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CVE-2026-3849

Опубликовано: 25 мар. 2026
Источник: msrc
EPSS Низкий

Описание

Buffer Overflow in HPKE via Oversized ECH Config

EPSS

Процентиль: 42%
0.00199
Низкий

Связанные уязвимости

CVSS3: 9.8
nvd
12 дней назад

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.

CVSS3: 9.8
debian
12 дней назад

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

CVSS3: 9.8
github
12 дней назад

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.

EPSS

Процентиль: 42%
0.00199
Низкий