CVE-2013-1944

CVE-2013-1944 is a medium-severity vulnerability in Haxx Curl with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-200.

Key facts

• Severity: Medium (CVSS 2.0 base score 5.0)
• EPSS exploit prediction: 5% (91st percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-200
• Affected product: Haxx Curl
• Published: 2013-04-29
• Last modified: 2026-06-16

Description

The tailMatch function in cookie.c in cURL and libcurl before 7.30.0 does not properly match the path domain when sending cookies, which allows remote attackers to steal cookies via a matching suffix in the domain of a URL.

Frequently asked questions

What is CVE-2013-1944?

The tailMatch function in cookie.c in cURL and libcurl before 7.30.0 does not properly match the path domain when sending cookies, which allows remote attackers to steal cookies via a matching suffix in the domain of a URL.

How severe is CVE-2013-1944?

CVE-2013-1944 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2013-1944 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-1944?

CVE-2013-1944 primarily affects Haxx Curl. In total, 131 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-1944?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2013-1944 published?

CVE-2013-1944 was published on 2013-04-29 and last updated on 2026-06-16.

References

• http://curl.haxx.se/docs/adv_20130412.html
• http://lists.apple.com/archives/security-announce/2013/Oct/msg00004.html
• http://lists.fedoraproject.org/pipermail/package-announce/2013-April/102056.html
• http://lists.fedoraproject.org/pipermail/package-announce/2013-April/102711.html
• http://lists.fedoraproject.org/pipermail/package-announce/2013-May/104207.html
• http://lists.fedoraproject.org/pipermail/package-announce/2013-May/104598.html
• http://lists.fedoraproject.org/pipermail/package-announce/2013-May/105539.html
• http://lists.fedoraproject.org/pipermail/package-announce/2013-May/106606.html
• http://lists.opensuse.org/opensuse-updates/2013-06/msg00013.html
• http://lists.opensuse.org/opensuse-updates/2013-06/msg00016.html
• http://rhn.redhat.com/errata/RHSA-2013-0771.html
• http://secunia.com/advisories/53044
• http://secunia.com/advisories/53051
• http://secunia.com/advisories/53097
• http://www.debian.org/security/2012/dsa-2660
• http://www.mandriva.com/security/advisories?name=MDVSA-2013:151
• http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
• http://www.osvdb.org/92316
• http://www.securityfocus.com/bid/59058
• http://www.ubuntu.com/usn/USN-1801-1
• https://bugzilla.redhat.com/show_bug.cgi?id=950577
• https://github.com/bagder/curl/commit/2eb8dcf26cb37f09cffe26909a646e702dbcab66
• https://wiki.mageia.org/en/Support/Advisories/MGASA-2013-0121

Affected products (131)

• cpe:2.3:a:haxx:curl:*:*:*:*:*:*:*:*
• cpe:2.3:a:haxx:curl:6.0:*:*:*:*:*:*:*
• cpe:2.3:a:haxx:curl:6.1:*:*:*:*:*:*:*
• cpe:2.3:a:haxx:curl:6.1:beta:*:*:*:*:*:*
• cpe:2.3:a:haxx:curl:6.2:*:*:*:*:*:*:*
• cpe:2.3:a:haxx:curl:6.3:*:*:*:*:*:*:*
• cpe:2.3:a:haxx:curl:6.3.1:*:*:*:*:*:*:*
• cpe:2.3:a:haxx:curl:6.4:*:*:*:*:*:*:*
• cpe:2.3:a:haxx:curl:6.5:*:*:*:*:*:*:*
• cpe:2.3:a:haxx:curl:6.5.1:*:*:*:*:*:*:*
• cpe:2.3:a:haxx:curl:6.5.2:*:*:*:*:*:*:*
• cpe:2.3:a:haxx:curl:7.1:*:*:*:*:*:*:*
• cpe:2.3:a:haxx:curl:7.1.1:*:*:*:*:*:*:*
• cpe:2.3:a:haxx:curl:7.2:*:*:*:*:*:*:*
• cpe:2.3:a:haxx:curl:7.2.1:*:*:*:*:*:*:*
• cpe:2.3:a:haxx:curl:7.3:*:*:*:*:*:*:*
• cpe:2.3:a:haxx:curl:7.4:*:*:*:*:*:*:*
• cpe:2.3:a:haxx:curl:7.4.1:*:*:*:*:*:*:*
• cpe:2.3:a:haxx:curl:7.4.2:*:*:*:*:*:*:*
• cpe:2.3:a:haxx:curl:7.5.1:*:*:*:*:*:*:*
• cpe:2.3:a:haxx:curl:7.5.2:*:*:*:*:*:*:*
• cpe:2.3:a:haxx:curl:7.6:*:*:*:*:*:*:*
• cpe:2.3:a:haxx:curl:7.6.1:*:*:*:*:*:*:*
• cpe:2.3:a:haxx:curl:7.7:*:*:*:*:*:*:*
• cpe:2.3:a:haxx:curl:7.7.1:*:*:*:*:*:*:*
• cpe:2.3:a:haxx:curl:7.7.2:*:*:*:*:*:*:*
• cpe:2.3:a:haxx:curl:7.7.3:*:*:*:*:*:*:*
• cpe:2.3:a:haxx:curl:7.8:*:*:*:*:*:*:*
• cpe:2.3:a:haxx:curl:7.8.1:*:*:*:*:*:*:*
• cpe:2.3:a:haxx:curl:7.9:*:*:*:*:*:*:*
• cpe:2.3:a:haxx:curl:7.9.1:*:*:*:*:*:*:*
• cpe:2.3:a:haxx:curl:7.9.2:*:*:*:*:*:*:*
• cpe:2.3:a:haxx:curl:7.9.3:*:*:*:*:*:*:*
• cpe:2.3:a:haxx:curl:7.9.4:*:*:*:*:*:*:*
• cpe:2.3:a:haxx:curl:7.9.5:*:*:*:*:*:*:*
• cpe:2.3:a:haxx:curl:7.9.6:*:*:*:*:*:*:*
• cpe:2.3:a:haxx:curl:7.9.7:*:*:*:*:*:*:*
• cpe:2.3:a:haxx:curl:7.9.8:*:*:*:*:*:*:*
• cpe:2.3:a:haxx:curl:7.10:*:*:*:*:*:*:*
• cpe:2.3:a:haxx:curl:7.10.1:*:*:*:*:*:*:*

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