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CVE-2026-23679

Опубликовано: 02 июн. 2026
Источник: msrc
CVSS3: 6.2
EPSS Низкий

Описание

libusb < 1.0.30 NULL Pointer Dereference in parse_interface()

EPSS

Процентиль: 8%
0.00184
Низкий

6.2 Medium

CVSS3

Связанные уязвимости

CVSS3: 5.5
ubuntu
6 месяцев назад

libusb before version 1.0.30 contains a NULL pointer dereference vulnerability that allows attackers to crash applications by supplying a malformed USB configuration descriptor where an interface claims bNumEndpoints greater than zero but is followed by a class-specific descriptor whose bLength exceeds the remaining buffer size, causing parse_interface() to return early without allocating the endpoint array. Attackers can exploit this flaw through libusb_get_active_config_descriptor or libusb_get_config_descriptor by providing crafted descriptors via virtualized USB passthrough, file-based descriptor parsing, or network sources, causing any application iterating over endpoints to dereference a NULL endpoint pointer and crash.

CVSS3: 6.2
redhat
6 месяцев назад

libusb before version 1.0.30 contains a NULL pointer dereference vulnerability that allows attackers to crash applications by supplying a malformed USB configuration descriptor where an interface claims bNumEndpoints greater than zero but is followed by a class-specific descriptor whose bLength exceeds the remaining buffer size, causing parse_interface() to return early without allocating the endpoint array. Attackers can exploit this flaw through libusb_get_active_config_descriptor or libusb_get_config_descriptor by providing crafted descriptors via virtualized USB passthrough, file-based descriptor parsing, or network sources, causing any application iterating over endpoints to dereference a NULL endpoint pointer and crash.

CVSS3: 5.5
nvd
6 месяцев назад

libusb before version 1.0.30 contains a NULL pointer dereference vulnerability that allows attackers to crash applications by supplying a malformed USB configuration descriptor where an interface claims bNumEndpoints greater than zero but is followed by a class-specific descriptor whose bLength exceeds the remaining buffer size, causing parse_interface() to return early without allocating the endpoint array. Attackers can exploit this flaw through libusb_get_active_config_descriptor or libusb_get_config_descriptor by providing crafted descriptors via virtualized USB passthrough, file-based descriptor parsing, or network sources, causing any application iterating over endpoints to dereference a NULL endpoint pointer and crash.

CVSS3: 5.5
debian
6 месяцев назад

libusb before version 1.0.30 contains a NULL pointer dereference vulne ...

suse-cvrf
2 месяца назад

Security update for libusb-1_0

EPSS

Процентиль: 8%
0.00184
Низкий

6.2 Medium

CVSS3