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Fencer Intel
medium 4.3

CVE-2014-3707 json

The curl_easy_duphandle function in libcurl 7.17.1 through 7.38.0, when running with the CURLOPT_COPYPOSTFIELDS option, does not properly c…

published 2014-11-15 11 y ago modified 2026-06-17 4 mo ago also EUVD-2014-3653

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
5.1%
EPSS 5.1% chance of exploitation in 30 days, percentile 92%
public exploits
0
none known

Summary

The curl_easy_duphandle function in libcurl 7.17.1 through 7.38.0, when running with the CURLOPT_COPYPOSTFIELDS option, does not properly copy HTTP POST data for an easy handle, which triggers an out-of-bounds read that allows remote web servers to read sensitive memory information.

Patch / fix

  • curl Debian 14, Debian 13, Debian 12 7.38.0-3

debian advisories DEBIAN-CVE-2014-3707

  • curl Ubuntu 14.04 LTS 7.35.0-1ubuntu2.2

ubuntu advisories UBUNTU-CVE-2014-3707

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • curl RHEL 7 7.29.0-25.el7
  • libcurl RHEL 7 7.29.0-25.el7
  • curl RHEL 6 7.19.7-46.el6
  • libcurl RHEL 6 7.19.7-46.el6

red hat advisories RHSA-2015:2159RHSA-2015:1254

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2014-3707 updated cvss 4.0

curl: incorrect handle duplication after COPYPOSTFIELDS

  • Red Hat Enterprise Virtualization 3 mingw-virt-viewer, mingw32-virt-viewer, mingw64-virt-viewer
    affected: no fix available “Fix deferred”
  • Red Hat Enterprise Linux Client (v. 7) curl 7.29.0-25.el7, libcurl 7.29.0-25.el7 Red Hat Enterprise Linux Client Optional (v. 7) libcurl-devel 7.29.0-25.el7, curl-debuginfo 7.29.0-25.el7 Red Hat Enterprise Linux ComputeNode (v. 7) curl 7.29.0-25.el7, libcurl 7.29.0-25.el7 Red Hat Enterprise Linux ComputeNode Optional (v. 7) libcurl-devel 7.29.0-25.el7, curl-debuginfo 7.29.0-25.el7
    fixed: vendor fix RHSA-2015:2159
  • Red Hat Enterprise Linux Desktop (v. 6) curl 7.19.7-46.el6, libcurl 7.19.7-46.el6 Red Hat Enterprise Linux Desktop Optional (v. 6) libcurl-devel 7.19.7-46.el6, curl-debuginfo 7.19.7-46.el6 Red Hat Enterprise Linux HPC Node (v. 6) curl 7.19.7-46.el6, libcurl 7.19.7-46.el6 Red Hat Enterprise Linux HPC Node Optional (v. 6) libcurl-devel 7.19.7-46.el6, curl-debuginfo 7.19.7-46.el6 Red Hat Enterprise Linux Server (v. 6) curl 7.19.7-46.el6, libcurl 7.19.7-46.el6
    fixed: vendor fix RHSA-2015:1254
  • Red Hat Enterprise Linux Server (v. 7) curl 7.29.0-25.el7, libcurl 7.29.0-25.el7
    fixed: vendor fix RHSA-2015:2159
  • Red Hat Enterprise Linux Workstation (v. 6) curl 7.19.7-46.el6, libcurl 7.19.7-46.el6
    fixed: vendor fix RHSA-2015:1254
  • Red Hat Enterprise Linux Workstation (v. 7) curl 7.29.0-25.el7, libcurl 7.29.0-25.el7
    fixed: vendor fix RHSA-2015:2159
  • Red Hat Enterprise Linux 5 curl
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

5.12% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:P/I:N/A:N

Classification

Weakness
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.