CVE-2016-9586

NameCVE-2016-9586
Descriptioncurl before version 7.52.0 is vulnerable to a buffer overflow when doing a large floating point output in libcurl's implementation of the printf() functions. If there are any application that accepts a format string from the outside without necessary input filtering, it could allow remote attacks.
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)
ReferencesDLA-767-1
NVD severitymedium (attack range: remote)
Debian Bugs848958

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
curl (PTS)jessie7.38.0-4+deb8u11vulnerable
jessie (security)7.38.0-4+deb8u12vulnerable
stretch7.52.1-5+deb9u6fixed
stretch (security)7.52.1-5+deb9u7fixed
buster, sid7.61.0-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
curlsource(unstable)7.52.1-1medium848958
curlsourcewheezy7.26.0-1+wheezy18mediumDLA-767-1

Notes

[jessie] - curl <no-dsa> (Minor issue)
https://curl.haxx.se/docs/adv_20161221A.html
Fixed by: https://github.com/curl/curl/commit/3ab3c16db6a5674f53cf23d56512a405fde0b2c9
There are no known vulnerable applications but as this is a
library it should be fixed as we do not know the full impact.

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