CVE-2026-47104

Name
CVE-2026-47104
Description
libusb before version 1.0.30 contains a one-byte out-of-bounds read vulnerability in parse_iad_array() in descriptor.c that allows attackers to trigger a denial of service by supplying a malformed USB descriptor whose bLength equals size minus one, causing the bounds check to use the original buffer size instead of the remaining size. Attackers in virtualized environments with USB passthrough can supply crafted descriptors through libusb_get_active_interface_association_descriptors or libusb_get_interface_association_descriptors to read one byte past the end of the malloc allocation, resulting in a denial of service.
NVD Severity
unknown
Other trackers
Mailing lists
Exploits
Forges
GitHub (code, issues), Aports (code, issues)

References

Type URI
disclosure@vulncheck.com https://github.com/libusb/libusb/commit/578ab76b4c434f8b204137ab6d7310689c7a9704
disclosure@vulncheck.com https://github.com/libusb/libusb/issues/1813
disclosure@vulncheck.com https://github.com/libusb/libusb/pull/1814
disclosure@vulncheck.com https://github.com/libusb/libusb/releases/tag/v1.0.30
disclosure@vulncheck.com https://www.vulncheck.com/advisories/libusb-out-of-bounds-read-in-parse-iad-array

Match rules

CPE URI Source package Min version Max version
cpe:2.3:a:libusb:libusb:*:*:*:*:*:*:*:* libusb >= None < 1.0.30

Vulnerable and fixed packages

Source package Branch Version Maintainer Status
libusb edge-main 1.0.29-r0 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
libusb edge-main 1.0.28-r0 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
libusb edge-main 1.0.27-r0 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
libusb 3.23-main 1.0.29-r0 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
libusb 3.22-main 1.0.28-r0 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
libusb 3.21-main 1.0.27-r0 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
libusb 3.20-main 1.0.27-r0 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
libusb 3.19-main 1.0.26-r3 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable