CVE-2016-7167

NameCVE-2016-7167
DescriptionMultiple integer overflows in the (1) curl_escape, (2) curl_easy_escape, (3) curl_unescape, and (4) curl_easy_unescape functions in libcurl before 7.50.3 allow attackers to have unspecified impact via a string of length 0xffffffff, which triggers a heap-based buffer overflow.
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-1568-1, DLA-625-1
NVD severityhigh
Debian Bugs837945

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+deb8u16fixed
stretch7.52.1-5+deb9u9fixed
stretch (security)7.52.1-5+deb9u10fixed
buster7.64.0-4fixed
buster (security)7.64.0-4+deb10u1fixed
bullseye7.67.0-2fixed
sid7.68.0-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
curlsource(unstable)7.51.0-1837945
curlsourcejessie7.38.0-4+deb8u13DLA-1568-1
curlsourcewheezy7.26.0-1+wheezy16DLA-625-1

Notes

Upstream advisory: https://curl.haxx.se/docs/adv_20160914.html
Upstream patch: https://curl.haxx.se/CVE-2016-7167.patch
Affected versions: libcurl 7.11.1 to and including 7.50.2
Not affected versions: libcurl < 7.11.1 and libcurl >= 7.50.3

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