CVE-2019-9897

NameCVE-2019-9897
DescriptionMultiple denial-of-service attacks that can be triggered by writing to the terminal exist in PuTTY versions before 0.71.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-1763-1, DSA-4423-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
putty (PTS)jessie, jessie (lts)0.63-10+deb8u2fixed
stretch (security), stretch (lts), stretch0.67-3+deb9u1fixed
buster (security), buster, buster (lts)0.74-1+deb11u1~deb10u2fixed
bullseye0.74-1+deb11u2fixed
bullseye (security)0.74-1+deb11u1fixed
bookworm0.78-2+deb12u2fixed
bookworm (security)0.78-2+deb12u1fixed
sid, trixie0.82-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
puttysourcewheezy(unfixed)end-of-life
puttysourcejessie0.63-10+deb8u2DLA-1763-1
puttysourcestretch0.67-3+deb9u1DSA-4423-1
puttysource(unstable)0.70-6

Notes

https://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/vuln-terminal-dos-one-column-cjk.html
https://git.tartarus.org/?p=simon/putty.git;a=commitdiff;h=03777723e553024e94d8bfcf182f3a2e92ffb914
https://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/vuln-terminal-dos-combining-chars-double-width-gtk.html
https://git.tartarus.org/?p=simon/putty.git;a=commitdiff;h=daf91ef8ae9780bb1dfb534afa79e4babb89ba26
https://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/vuln-terminal-dos-combining-chars.html
https://git.tartarus.org/?p=simon/putty.git;a=commitdiff;h=da1c8f15b1bc14c855f0027cf06ba7f1a9c36f3c

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