CVE-2021-3405: A flaw was found in libebml before 1.4.2. A heap overflow bug exists in the implementation of EbmlString::ReadData and EbmlUnicodeString::ReadData in libebml.

PriorityP430medium6.5CVSS 3.1

AVNACLPRNUIRSUCNINAH

EPSS

1.74%

74.9th percentile

A flaw was found in libebml before 1.4.2. A heap overflow bug exists in the implementation of EbmlString::ReadData and EbmlUnicodeString::ReadData in libebml.

Affected

11 ranges

Vendor	Product	Version range	Fixed in
debian	debian_linux	—	—
debian	libebml	< libebml 1.4.2-1 (bookworm)	libebml 1.4.2-1 (bookworm)
fedoraproject	fedora	—	—
fedoraproject	fedora	—	—
fedoraproject	fedora	—	—
matroska	libebml	< 1.4.2	1.4.2
matroska	libebml	—	—
matroska	libebml	>= 0 < 1.4.2-1	1.4.2-1
matroska	libebml	>= 0 < 1.4.2-1	1.4.2-1
matroska	libebml	>= 0 < 1.4.2-1	1.4.2-1
matroska	libebml	>= 0 < 1.4.2-1	1.4.2-1

CVSS provenance

nvdv3.16.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

nvdv2.04.3MEDIUMAV:N/AC:M/Au:N/C:N/I:N/A:P

osv6.5MEDIUM

vendor_debian6.5MEDIUM

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