DescriptionThe Bluetooth HCI ACL dissector in Wireshark 1.10.x before 1.10.2 does not properly maintain a certain free list, which allows remote attackers to cause a denial of service (application crash) via a crafted packet that is not properly handled by the wmem_block_alloc function in epan/wmem/wmem_allocator_block.c.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
wireshark (PTS)buster2.6.20-0+deb10u4fixed
buster (security)2.6.20-0+deb10u8fixed
bullseye (security), bullseye3.4.10-0+deb11u1fixed
bookworm, bookworm (security)4.0.11-1~deb12u1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
wiresharksourcesqueeze(not affected)
wiresharksourcewheezy(not affected)


[wheezy] - wireshark <not-affected> (Only affects 1.10.x)
[squeeze] - wireshark <not-affected> (Only affects 1.10.x)

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