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Vulnerability record · CVE-2010-0734 · published 19 March 2010

CVE-2010-0734: Libcurl permissions and access controls vulnerability

Curl · Libcurl

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.

6.8 CVSS 2.0 Medium EPSS 3.7% · top 10.8% CWE-264 · Permissions and access controls
6.8CVSS 2.0 base score
3.7%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
70References
16 Jun 2026Last modified by NVD

Description

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.

AV:N/AC:M/Au:N/C:P/I:P/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://curl.haxx.se/docs/adv_20100209.html Vendor Advisory
http://curl.haxx.se/docs/security.html#20100209 Vendor Advisory
http://curl.haxx.se/libcurl-contentencoding.patch 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 Patch
http://www.openwall.com/lists/oss-security/2010/03/09/1 Patch
http://www.openwall.com/lists/oss-security/2010/03/16/11 Patch
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 Vendor Advisory
http://curl.haxx.se/docs/security.html#20100209 Vendor Advisory
http://curl.haxx.se/libcurl-contentencoding.patch Patch
http://lists.apple.com/archives/security-announce/2010//Jun/msg00001.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-March/036744.html

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

Source: NIST National Vulnerability Database (record CVE-2010-0734), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.