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CVE-2026-5188

Опубликовано: 10 апр. 2026
Источник: nvd
CVSS3: 8.1
EPSS Низкий

Описание

An integer underflow issue exists in wolfSSL when parsing the Subject Alternative Name (SAN) extension of X.509 certificates. A malformed certificate can specify an entry length larger than the enclosing sequence, causing the internal length counter to wrap during parsing. This results in incorrect handling of certificate data. The issue is limited to configurations using the original ASN.1 parsing implementation which is off by default.

Ссылки

Уязвимые конфигурации

Конфигурация 1
cpe:2.3:a:wolfssl:wolfssl:*:*:*:*:*:*:*:*
Версия до 5.9.1 (исключая)

EPSS

Процентиль: 3%
0.00135
Низкий

8.1 High

CVSS3

Дефекты

CWE-191

Связанные уязвимости

CVSS3: 8.1
ubuntu
4 месяца назад

An integer underflow issue exists in wolfSSL when parsing the Subject Alternative Name (SAN) extension of X.509 certificates. A malformed certificate can specify an entry length larger than the enclosing sequence, causing the internal length counter to wrap during parsing. This results in incorrect handling of certificate data. The issue is limited to configurations using the original ASN.1 parsing implementation which is off by default.

msrc
4 месяца назад

Integer underflow in X.509 SAN parsing in wolfSSL

CVSS3: 8.1
debian
4 месяца назад

An integer underflow issue exists in wolfSSL when parsing the Subject ...

CVSS3: 8.1
github
4 месяца назад

An integer underflow issue exists in wolfSSL when parsing the Subject Alternative Name (SAN) extension of X.509 certificates. A malformed certificate can specify an entry length larger than the enclosing sequence, causing the internal length counter to wrap during parsing. This results in incorrect handling of certificate data. The issue is limited to configurations using the original ASN.1 parsing implementation which is off by default.

EPSS

Процентиль: 3%
0.00135
Низкий

8.1 High

CVSS3

Дефекты

CWE-191