| Name | CVE-2016-3739 |
| Description | The (1) mbed_connect_step1 function in lib/vtls/mbedtls.c and (2) polarssl_connect_step1 function in lib/vtls/polarssl.c in cURL and libcurl before 7.49.0, when using SSLv3 or making a TLS connection to a URL that uses a numerical IP address, allow remote attackers to spoof servers via an arbitrary valid certificate. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| curl (PTS) | jessie, jessie (lts) | 7.38.0-4+deb8u28 | vulnerable |
| stretch (security) | 7.52.1-5+deb9u16 | fixed | |
| stretch (lts), stretch | 7.52.1-5+deb9u22 | fixed | |
| buster, buster (lts) | 7.64.0-4+deb10u10 | fixed | |
| buster (security) | 7.64.0-4+deb10u9 | fixed | |
| bullseye | 7.74.0-1.3+deb11u13 | fixed | |
| bullseye (security) | 7.74.0-1.3+deb11u14 | fixed | |
| bookworm | 7.88.1-10+deb12u8 | fixed | |
| bookworm (security) | 7.88.1-10+deb12u5 | fixed | |
| sid, trixie | 8.11.0-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| curl | source | (unstable) | 7.50.1-1 | unimportant |
only relevant when built with mbedTLS/PolarSSL
Source-wise fixed in 7.49.0