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    CVE-2010-0734

    content_encoding.c in libcurl 7.10.5 through 7.19.7, when zlib is enabled, does not properly restrict the amount of callback data sent to an application that requests automatic decompression, which might allow remote attackers to cause a denial of service (application crash) or have unspecified other impact by sending crafted compressed data to an application that relies on the intended data-length limit.

    Published:Feb 9, 2010
    Last Modified:Apr 11, 2025
    EPS:Mar 19, 2010
    EPSS Score:0.04759
    CVSS Score:6.8

    Affected Products

    Vendor
    Curl
    Product
    Libcurl
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-5773 (CVSS 7.5) — libcurl might in some circumstances reuse the wrong connection for SMB(S) transfers. libcurl features a pool …
    CVE-2026-6276 (CVSS 7.5) — Using libcurl, when a custom `Host:` header is first set for an HTTP request and a second request is subsequen…
    CVE-2026-6429 (CVSS 5.3) — When asked to both use a `.netrc` file for credentials and to follow HTTP redirects, libcurl could leak the pa…
    CVE-2026-5545 (CVSS 6.5) — libcurl might in some circumstances reuse the wrong connection when asked to do an authenticated HTTP(S) reque…
    CVE-2025-5399 (CVSS 7.5) — Due to a mistake in libcurl's WebSocket code, a malicious server can send a particularly crafted packet which …
    CVE-2025-0665 (CVSS 7) — libcurl would wrongly close the same eventfd file descriptor twice when taking down a connection channel after…
    CVE-2024-6874 (CVSS 4.3) — libcurl's URL API function [curl_url_get()](https://curl.se/libcurl/c/curl_url_get.html) offers punycode conve…
    CVE-2024-2466 (CVSS 6.5) — libcurl did not check the server certificate of TLS connections done to a host specified as an IP address, whe…
    CVE-2012-0036 (CVSS 7.5) — curl and libcurl 7.2x before 7.24.0 do not properly consider special characters during extraction of a pathnam…
    CVE-2009-2417 (CVSS 7.5) — lib/ssluse.c in cURL and libcurl 7.4 through 7.19.5, when OpenSSL is used, does not properly handle a '\0' cha…

    References

    http://curl.haxx.se/docs/adv_20100209.html
    http://curl.haxx.se/docs/security.html#20100209
    http://curl.haxx.se/libcurl-contentencoding.patch
    http://lists.apple.com/archives/security-announce/2010//Jun/msg00001.html
    http://lists.fedoraproject.org/pipermail/package-announce/2010-March/036744.html
    http://lists.fedoraproject.org/pipermail/package-announce/2010-March/037143.html
    http://secunia.com/advisories/38843
    http://secunia.com/advisories/38981
    http://secunia.com/advisories/39087
    http://secunia.com/advisories/39734
    http://secunia.com/advisories/40220
    http://secunia.com/advisories/45047
    http://secunia.com/advisories/48256
    http://security.gentoo.org/glsa/glsa-201203-02.xml
    http://support.apple.com/kb/HT4188
    http://support.avaya.com/css/P8/documents/100081819
    http://wiki.rpath.com/Advisories:rPSA-2010-0072
    http://www.debian.org/security/2010/dsa-2023
    http://www.mandriva.com/security/advisories?name=MDVSA-2010:062
    http://www.openwall.com/lists/oss-security/2010/02/09/5
    http://www.openwall.com/lists/oss-security/2010/03/09/1
    http://www.openwall.com/lists/oss-security/2010/03/16/11
    http://www.redhat.com/support/errata/RHSA-2010-0329.html
    http://www.securityfocus.com/archive/1/514490/100/0/threaded
    http://www.securityfocus.com/archive/1/516397/100/0/threaded
    http://www.ubuntu.com/usn/USN-1158-1
    http://www.vmware.com/security/advisories/VMSA-2011-0003.html
    http://www.vupen.com/english/advisories/2010/0571
    http://www.vupen.com/english/advisories/2010/0602
    http://www.vupen.com/english/advisories/2010/0660
    http://www.vupen.com/english/advisories/2010/0725
    http://www.vupen.com/english/advisories/2010/1481
    https://bugzilla.redhat.com/show_bug.cgi?id=563220
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10760
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6756
    http://curl.haxx.se/docs/adv_20100209.html
    http://curl.haxx.se/docs/security.html#20100209
    http://curl.haxx.se/libcurl-contentencoding.patch
    http://lists.apple.com/archives/security-announce/2010//Jun/msg00001.html
    http://lists.fedoraproject.org/pipermail/package-announce/2010-March/036744.html
    http://lists.fedoraproject.org/pipermail/package-announce/2010-March/037143.html
    http://secunia.com/advisories/38843
    http://secunia.com/advisories/38981
    http://secunia.com/advisories/39087
    http://secunia.com/advisories/39734
    http://secunia.com/advisories/40220
    http://secunia.com/advisories/45047
    http://secunia.com/advisories/48256
    http://security.gentoo.org/glsa/glsa-201203-02.xml
    http://support.apple.com/kb/HT4188
    http://support.avaya.com/css/P8/documents/100081819
    http://wiki.rpath.com/Advisories:rPSA-2010-0072
    http://www.debian.org/security/2010/dsa-2023
    http://www.mandriva.com/security/advisories?name=MDVSA-2010:062
    http://www.openwall.com/lists/oss-security/2010/02/09/5
    http://www.openwall.com/lists/oss-security/2010/03/09/1
    http://www.openwall.com/lists/oss-security/2010/03/16/11
    http://www.redhat.com/support/errata/RHSA-2010-0329.html
    http://www.securityfocus.com/archive/1/514490/100/0/threaded
    http://www.securityfocus.com/archive/1/516397/100/0/threaded
    http://www.ubuntu.com/usn/USN-1158-1
    http://www.vmware.com/security/advisories/VMSA-2011-0003.html
    http://www.vupen.com/english/advisories/2010/0571
    http://www.vupen.com/english/advisories/2010/0602
    http://www.vupen.com/english/advisories/2010/0660
    http://www.vupen.com/english/advisories/2010/0725
    http://www.vupen.com/english/advisories/2010/1481
    https://bugzilla.redhat.com/show_bug.cgi?id=563220
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10760
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6756

    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