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CVE-2026-91767

Опубликовано: 25 сент. 2026
Источник: ubuntu
Приоритет: medium
EPSS Низкий
CVSS3: 6.5

Описание

php_openssl_matches_wildcard_name() in ext/openssl/xp_ssl.c underflows the length argument passed to memchr() when a TLS server certificate presents a wildcard name whose literal characters are together longer than the hostname being verified. A malicious server presenting such a certificate makes the PHP client read up to SIZE_MAX bytes past the end of a heap allocation. The path is reachable from any default client stream, because verify_peer_name is enabled by default.

РелизСтатусПримечание
devel

DNE

esm-infra-legacy/trusty

needs-triage

jammy

DNE

noble

DNE

resolute

DNE

upstream

needs-triage

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РелизСтатусПримечание
devel

DNE

esm-infra-legacy/xenial

needs-triage

jammy

DNE

noble

DNE

resolute

DNE

upstream

needs-triage

Показывать по

РелизСтатусПримечание
devel

DNE

esm-infra/bionic

needs-triage

jammy

DNE

noble

DNE

resolute

DNE

upstream

needs-triage

Показывать по

РелизСтатусПримечание
devel

DNE

esm-infra/focal

needs-triage

jammy

DNE

noble

DNE

resolute

DNE

upstream

needs-triage

Показывать по

РелизСтатусПримечание
devel

DNE

jammy

needs-triage

noble

DNE

resolute

DNE

upstream

needs-triage

Показывать по

РелизСтатусПримечание
devel

DNE

jammy

DNE

noble

needs-triage

resolute

DNE

upstream

needs-triage

Показывать по

РелизСтатусПримечание
devel

needs-triage

jammy

DNE

noble

DNE

resolute

needs-triage

upstream

needs-triage

Показывать по

EPSS

Процентиль: 4%
0.00154
Низкий

6.5 Medium

CVSS3

Связанные уязвимости

CVSS3: 6.5
redhat
9 дней назад

php_openssl_matches_wildcard_name() in ext/openssl/xp_ssl.c underflows the length argument passed to memchr() when a TLS server certificate presents a wildcard name whose literal characters are together longer than the hostname being verified. A malicious server presenting such a certificate makes the PHP client read up to SIZE_MAX bytes past the end of a heap allocation. The path is reachable from any default client stream, because verify_peer_name is enabled by default.

CVSS3: 6.5
nvd
9 дней назад

php_openssl_matches_wildcard_name() in ext/openssl/xp_ssl.c underflows the length argument passed to memchr() when a TLS server certificate presents a wildcard name whose literal characters are together longer than the hostname being verified. A malicious server presenting such a certificate makes the PHP client read up to SIZE_MAX bytes past the end of a heap allocation. The path is reachable from any default client stream, because verify_peer_name is enabled by default.

CVSS3: 6.5
msrc
7 дней назад

Heap-buffer-overflow in php_openssl_matches_wildcard_name on crafted server cert wildcard CN

CVSS3: 6.5
debian
9 дней назад

php_openssl_matches_wildcard_name() in ext/openssl/xp_ssl.c underflows ...

CVSS3: 6.5
github
10 дней назад

Heap-buffer-overflow in php_openssl_matches_wildcard_name on crafted server cert wildcard CN

EPSS

Процентиль: 4%
0.00154
Низкий

6.5 Medium

CVSS3