What’s Vulnerable › Vulnerabilities

CVE-2015-2740

• Severity: critical (CVSS 10.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 5.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2015-07-06 · updated 2026-06-17
• Weakness: CWE-119

Description

Buffer overflow in the nsXMLHttpRequest::AppendToResponseText function in Mozilla Firefox before 39.0, Firefox ESR 31.x before 31.8 and 38.x before 38.1, and Thunderbird before 38.1 might allow remote attackers to cause a denial of service or have unspecified other impact via unknown vectors.

Affected products

• Canonical Ubuntu Linux: 12.04, 14.04, 14.10, 15.04
• Debian Linux: 7.0, 8.0
• Mozilla Firefox: through 38.1.0; 31.0, 31.1.0, 31.1.1, 31.3.0, 31.5.1, 31.5.2 (+2)
• Mozilla Firefox ESR: 31.1, 31.2, 31.3, 31.4, 31.5, 31.6.0 (+1)
• Mozilla Thunderbird: through 38.0.1
• Novell Suse Linux Enterprise Desktop: 12.0
• Novell Suse Linux Enterprise Server: 11-sp4, 12.0
• Novell Suse Linux Enterprise Software Development Kit: 12.0
• Oracle Corporation Solaris Operating System: 11.3

References

• http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00025.html
• http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00031.html
• http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00033.html
• http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00034.html
• http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00021.html
• http://rhn.redhat.com/errata/RHSA-2015-1207.html
• http://rhn.redhat.com/errata/RHSA-2015-1455.html
• http://www.debian.org/security/2015/dsa-3300
• http://www.debian.org/security/2015/dsa-3324
• http://www.mozilla.org/security/announce/2015/mfsa2015-66.html
• http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
• http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html

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