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    CVE-2009-0037

    The redirect implementation in curl and libcurl 5.11 through 7.19.3, when CURLOPT_FOLLOWLOCATION is enabled, accepts arbitrary Location values, which might allow remote HTTP servers to (1) trigger arbitrary requests to intranet servers, (2) read or overwrite arbitrary files via a redirect to a file: URL, or (3) execute arbitrary commands via a redirect to an scp: URL.

    Published:Mar 3, 2009
    Last Modified:Apr 23, 2026
    EPS:Mar 5, 2009
    EPSS Score:0.09542
    CVSS Score:6.8

    Affected Products

    Vendor
    Curl
    Product
    Curl
    Vendor
    Curl
    Product
    Libcurl
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    http://www.securityfocus.com/bid/33962http://www.securityfocus.com/bid/33962https://www.exploit-db.com/exploits/32834

    Related CVEs

    CVE-2026-82209 (CVSS 8.2) — When libpsl support is enabled, libcurl fails to enforce the Public Suffix List boundary check when processing…
    CVE-2026-82208 (CVSS 7.5) — With the wolfSSL backend, when CA caching is enabled and an `CURLOPT_SSL_CTX_FUNCTION` callback replaces the t…
    CVE-2026-80255 (CVSS 7.5) — A `Set-Cookie:` header using tab (horizontal tab, ASCII code 9) instead of space (ascii code 32) immediately b…
    CVE-2026-80231 (CVSS 7.5) — A flaw in libcurl makes it wrongly reuse an existing HTTPS connection setup for a given hostname even when usi…
    CVE-2026-80230 (CVSS 7.5) — When `CURLOPT_PINNEDPUBLICKEY` is configured alongside options that disable standard peer verification (`CURLO…
    CVE-2026-80229 (CVSS 7.5) — When performing transfers via libcurl’s multi interface, pooled TLS connections can outlive their originating …
    CVE-2026-19931 (CVSS 9.8) — A flaw in libcurl makes it wrongly reuse an HTTP connection setup for a given hostname using Negotiate authent…
    CVE-2026-18924 (CVSS 9.1) — A flaw in libcurl's handling of HTTP/2 Server Push streams, when the parent handle is set to share connections…
    CVE-2026-13608 (CVSS 7.4) — A flaw in the libcurl SASL negotiation for LDAP authentication allows an incomplete handshake sequence to be m…
    CVE-2026-9547 (CVSS 7.4) — When a libcurl-based application performs transfers via `SCP://` or `SFTP://` and utilizes the `CURLOPT_SSH_KE…

    References

    http://curl.haxx.se/docs/adv_20090303.html
    http://curl.haxx.se/lxr/source/CHANGES
    http://lists.apple.com/archives/security-announce/2010//Mar/msg00001.html
    http://lists.opensuse.org/opensuse-security-announce/2009-03/msg00001.html
    http://lists.vmware.com/pipermail/security-announce/2009/000060.html
    http://secunia.com/advisories/34138
    http://secunia.com/advisories/34202
    http://secunia.com/advisories/34237
    http://secunia.com/advisories/34251
    http://secunia.com/advisories/34255
    http://secunia.com/advisories/34259
    http://secunia.com/advisories/34399
    http://secunia.com/advisories/35766
    http://security.gentoo.org/glsa/glsa-200903-21.xml
    http://slackware.com/security/viewer.php?l=slackware-security&y=2009&m=slackware-security.476602
    http://support.apple.com/kb/HT4077
    http://wiki.rpath.com/wiki/Advisories:rPSA-2009-0042
    http://www.debian.org/security/2009/dsa-1738
    http://www.redhat.com/support/errata/RHSA-2009-0341.html
    http://www.securityfocus.com/archive/1/501757/100/0/threaded
    http://www.securityfocus.com/archive/1/504849/100/0/threaded
    http://www.securityfocus.com/bid/33962
    http://www.securitytracker.com/id?1021783
    http://www.ubuntu.com/usn/USN-726-1
    http://www.vmware.com/security/advisories/VMSA-2009-0009.html
    http://www.vupen.com/english/advisories/2009/0581
    http://www.vupen.com/english/advisories/2009/1865
    http://www.withdk.com/2009/03/03/curllibcurl-redirect-arbitrary-file-access/
    http://www.withdk.com/archives/Libcurl_arbitrary_file_access.pdf
    https://exchange.xforce.ibmcloud.com/vulnerabilities/49030
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11054
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6074
    http://curl.haxx.se/docs/adv_20090303.html
    http://curl.haxx.se/lxr/source/CHANGES
    http://lists.apple.com/archives/security-announce/2010//Mar/msg00001.html
    http://lists.opensuse.org/opensuse-security-announce/2009-03/msg00001.html
    http://lists.vmware.com/pipermail/security-announce/2009/000060.html
    http://secunia.com/advisories/34138
    http://secunia.com/advisories/34202
    http://secunia.com/advisories/34237
    http://secunia.com/advisories/34251
    http://secunia.com/advisories/34255
    http://secunia.com/advisories/34259
    http://secunia.com/advisories/34399
    http://secunia.com/advisories/35766
    http://security.gentoo.org/glsa/glsa-200903-21.xml
    http://slackware.com/security/viewer.php?l=slackware-security&y=2009&m=slackware-security.476602
    http://support.apple.com/kb/HT4077
    http://wiki.rpath.com/wiki/Advisories:rPSA-2009-0042
    http://www.debian.org/security/2009/dsa-1738
    http://www.redhat.com/support/errata/RHSA-2009-0341.html
    http://www.securityfocus.com/archive/1/501757/100/0/threaded
    http://www.securityfocus.com/archive/1/504849/100/0/threaded
    http://www.securityfocus.com/bid/33962
    http://www.securitytracker.com/id?1021783
    http://www.ubuntu.com/usn/USN-726-1
    http://www.vmware.com/security/advisories/VMSA-2009-0009.html
    http://www.vupen.com/english/advisories/2009/0581
    http://www.vupen.com/english/advisories/2009/1865
    http://www.withdk.com/2009/03/03/curllibcurl-redirect-arbitrary-file-access/
    http://www.withdk.com/archives/Libcurl_arbitrary_file_access.pdf
    https://exchange.xforce.ibmcloud.com/vulnerabilities/49030
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11054
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6074

    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