CVE-2015-3145

The sanitize_cookie_path function in cURL and libcurl 7.31.0 through 7.41.0 does not properly calculate an index, which allows remote attackers to cause a denial of service (out-of-bounds write and crash) or possibly have other unspecified impact via a cookie path containing only a double-quote character.

Published: 2015-04-24 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2015-3145 is rated High Risk (68.8/100): CVSS High severity, with high exploitation likelihood (EPSS 67.99%, 99th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +4.29% over the last day, indicating growing attacker interest. High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2015-3145

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-05-13 63.70% 67.99% +4.29%
2 2026-03-04 65.84% 63.70% -2.14%
3 2026-03-01 — 65.84% —

Full EPSS history (52 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2015-3145

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 6.4 [email protected]

Weakness enumeration for CVE-2015-3145

OS Trackers for CVE-2015-3145

vendor priority summary link
debian not yet assigned CVE-2015-3145 not yet assigned priority: Debian including 1 source packages (curl), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2015-3145
gentoo normal CVE-2015-3145: 1 GLSA(s) (201509-02), 1 atom(s) (net-misc/curl); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2015-3145
redhat low — https://access.redhat.com/security/cve/CVE-2015-3145
suse high CVE-2015-3145 severity important: SUSE including 328 source package names (0.9.1:libcurl4-7.37.0-15.1, 1.0.0:libcurl4-7.37.0-15.1, …), 391 product×package rows across 67 product lines (Container caasp/v4/default-http-backend, Container caasp/v4/dnsmasq-nanny, … (67 product lines)): Fixed 210, Known Affected 157, Known Not Affected 24. https://www.suse.com/security/cve/CVE-2015-3145/
ubuntu medium CVE-2015-3145 medium priority: Ubuntu including 1 source packages (curl), 6 status rows across 6 suites (lucid, precise, trusty, upstream, utopic, vivid): released 4, not-affected 2. https://ubuntu.com/security/CVE-2015-3145

Affected software / configurations for CVE-2015-3145

Vendor Product Version Raw CPE
fedoraproject fedora 21 cpe:2.3:o:fedoraproject:fedora:21:*:*:*:*:*:*:*
fedoraproject fedora 22 cpe:2.3:o:fedoraproject:fedora:22:*:*:*:*:*:*:*
canonical ubuntu_linux 12.04 cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
canonical ubuntu_linux 14.04 cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
canonical ubuntu_linux 14.10 cpe:2.3:o:canonical:ubuntu_linux:14.10:*:*:*:*:*:*:*
canonical ubuntu_linux 15.04 cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:*
debian debian_linux 7.0 cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
haxx curl 7.31.0 cpe:2.3:a:haxx:curl:7.31.0:*:*:*:*:*:*:*
haxx curl 7.32.0 cpe:2.3:a:haxx:curl:7.32.0:*:*:*:*:*:*:*
haxx curl 7.33.0 cpe:2.3:a:haxx:curl:7.33.0:*:*:*:*:*:*:*
haxx curl 7.34.0 cpe:2.3:a:haxx:curl:7.34.0:*:*:*:*:*:*:*
haxx curl 7.35.0 cpe:2.3:a:haxx:curl:7.35.0:*:*:*:*:*:*:*
haxx curl 7.36.0 cpe:2.3:a:haxx:curl:7.36.0:*:*:*:*:*:*:*
haxx curl 7.37.0 cpe:2.3:a:haxx:curl:7.37.0:*:*:*:*:*:*:*
haxx curl 7.37.1 cpe:2.3:a:haxx:curl:7.37.1:*:*:*:*:*:*:*
haxx curl 7.38.0 cpe:2.3:a:haxx:curl:7.38.0:*:*:*:*:*:*:*
haxx curl 7.39.0 cpe:2.3:a:haxx:curl:7.39.0:*:*:*:*:*:*:*
haxx curl 7.40.0 cpe:2.3:a:haxx:curl:7.40.0:*:*:*:*:*:*:*
haxx curl 7.41.0 cpe:2.3:a:haxx:curl:7.41.0:*:*:*:*:*:*:*
apple mac_os_x 10.10.0 cpe:2.3:o:apple:mac_os_x:10.10.0:*:*:*:*:*:*:*
apple mac_os_x 10.10.1 cpe:2.3:o:apple:mac_os_x:10.10.1:*:*:*:*:*:*:*
apple mac_os_x 10.10.2 cpe:2.3:o:apple:mac_os_x:10.10.2:*:*:*:*:*:*:*
apple mac_os_x 10.10.3 cpe:2.3:o:apple:mac_os_x:10.10.3:*:*:*:*:*:*:*
apple mac_os_x 10.10.4 cpe:2.3:o:apple:mac_os_x:10.10.4:*:*:*:*:*:*:*
oracle solaris 11.3 cpe:2.3:o:oracle:solaris:11.3:*:*:*:*:*:*:*
haxx libcurl 7.30.0 cpe:2.3:a:haxx:libcurl:7.30.0:*:*:*:*:*:*:*
haxx libcurl 7.31.0 cpe:2.3:a:haxx:libcurl:7.31.0:*:*:*:*:*:*:*
haxx libcurl 7.32.0 cpe:2.3:a:haxx:libcurl:7.32.0:*:*:*:*:*:*:*
haxx libcurl 7.33.0 cpe:2.3:a:haxx:libcurl:7.33.0:*:*:*:*:*:*:*
haxx libcurl 7.34.0 cpe:2.3:a:haxx:libcurl:7.34.0:*:*:*:*:*:*:*
haxx libcurl 7.35.0 cpe:2.3:a:haxx:libcurl:7.35.0:*:*:*:*:*:*:*
haxx libcurl 7.36.0 cpe:2.3:a:haxx:libcurl:7.36.0:*:*:*:*:*:*:*
haxx libcurl 7.37.0 cpe:2.3:a:haxx:libcurl:7.37.0:*:*:*:*:*:*:*
haxx libcurl 7.37.1 cpe:2.3:a:haxx:libcurl:7.37.1:*:*:*:*:*:*:*
haxx libcurl 7.38.0 cpe:2.3:a:haxx:libcurl:7.38.0:*:*:*:*:*:*:*
haxx libcurl 7.39 cpe:2.3:a:haxx:libcurl:7.39:*:*:*:*:*:*:*
haxx libcurl 7.40.0 cpe:2.3:a:haxx:libcurl:7.40.0:*:*:*:*:*:*:*
haxx libcurl 7.41.0 cpe:2.3:a:haxx:libcurl:7.41.0:*:*:*:*:*:*:*
hp system_management_homepage <= 7.5.3.1 cpe:2.3:a:hp:system_management_homepage:*:*:*:*:*:*:*:*
opensuse opensuse 13.1 cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:*
opensuse opensuse 13.2 cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*

References for CVE-2015-3145

URL Tags
http://advisories.mageia.org/MGASA-2015-0179.html Third Party Advisory
http://curl.haxx.se/docs/adv_20150422C.html Vendor Advisory
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10743
http://lists.apple.com/archives/security-announce/2015/Aug/msg00001.html Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155957.html Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-April/156250.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-May/156945.html Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-May/157017.html Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-May/157188.html Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2015-04/msg00057.html Third Party Advisory
http://www.debian.org/security/2015/dsa-3232 Third Party Advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2015:219 Third Party Advisory
http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html
http://www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html Third Party Advisory
http://www.securityfocus.com/bid/74303
http://www.securitytracker.com/id/1032232 Third Party Advisory VDB Entry
http://www.ubuntu.com/usn/USN-2591-1 Third Party Advisory
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05045763 Third Party Advisory
https://security.gentoo.org/glsa/201509-02
https://support.apple.com/kb/HT205031 Third Party Advisory
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