CVE-2016-5421

NameCVE-2016-5421
DescriptionUse-after-free vulnerability in libcurl before 7.50.1 allows attackers to control which connection is used or possibly have unspecified other impact via unknown vectors.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
ReferencesDSA-3638-1
NVD severityhigh (attack range: remote)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
curl (PTS)wheezy7.26.0-1+wheezy13fixed
wheezy (security)7.26.0-1+wheezy22fixed
jessie7.38.0-4+deb8u5fixed
jessie (security)7.38.0-4+deb8u7fixed
stretch7.52.1-5fixed
stretch (security)7.52.1-5+deb9u2fixed
buster, sid7.56.1-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
curlsource(unstable)7.50.1-1high
curlsourcejessie7.38.0-4+deb8u4highDSA-3638-1
curlsourcewheezy(not affected)

Notes

[wheezy] - curl <not-affected> (introduced in 7.32.0)
https://curl.haxx.se/docs/adv_20160803C.html
Fixed by https://curl.haxx.se/CVE-2016-5421.patch

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