DescriptionThe ssh_packet_read_poll2 function in packet.c in OpenSSH before 7.1p2 allows remote attackers to cause a denial of service (out-of-bounds read and application crash) via crafted network traffic.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
openssh (PTS)stretch1:7.4p1-10+deb9u7fixed
stretch (security)1:7.4p1-10+deb9u6fixed
buster (security)1:7.9p1-10+deb10u1fixed
bullseye, sid1:8.4p1-4fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
opensshsourcesqueeze(not affected)
opensshsourcewheezy(not affected)
opensshsourcejessie(not affected)


[jessie] - openssh <not-affected> (Vulnerable code not present; Introduced in OpenSSH 6.8)
[wheezy] - openssh <not-affected> (Vulnerable code not present; Introduced in OpenSSH 6.8)
[squeeze] - openssh <not-affected> (Issue introduced in OpenSSH 6.8)
Fixed by:
Introduced by: (V_6_8_P1)

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