CVE-2013-2174

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    CVE-2013-2174

    Published: 31 Jul 2013Last Modified: 16 Apr 2026

    Summary:

    Details: Heap-based buffer overflow in the curl_easy_unescape function in lib/escape.c in cURL and libcurl 7.7 through 7.30.0 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted string ending in a "%" (percent) character.

    References: http://curl.haxx.se/docs/adv_20130622.html, http://rhn.redhat.com/errata/RHSA-2013-0983.html, http://www.debian.org/security/2013/dsa-2713, http://www.ubuntu.com/usn/USN-1894-1, https://github.com/bagder/curl/commit/192c4f788d48f82c03e9cef40013f34370e90737, https://github.com/bagder/curl/commit/192c4f788d48f82c03e9cef40013f34370e90737, http://lists.opensuse.org/opensuse-updates/2013-07/msg00013.html, http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html, http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html, http://www.securityfocus.com/bid/60737

    Affected packages

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CVE-2013-2174 | CVE-DB