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Adobe Patches Critical Vulnerability in ColdFusion

Adobe announced on Tuesday the availability of security hotfixes for versions 10 and 11 of ColdFusion, the company’s web and mobile application development platform.

According to Adobe, ColdFusion 11 Update 9 and earlier, and ColdFusion 10 Update 20 and earlier for all platforms are affected by a critical vulnerability that can lead to information disclosure. The company has pointed out that the ColdFusion 2016 release is not affected by the flaw.

The issue, discovered by Dawid Golunski of, is related to parsing specially crafted XML entities. The vulnerability is tracked as CVE-2016-4264 and it has been assigned a priority rating of “2,” which indicates that while the product has historically been at elevated risk, a malicious exploit is unlikely to be created in the near future.

The flaw has been patched with the release of ColdFusion 11 Update 10 and ColdFusion 10 Update 21. In addition to installing the patches, users have been advised to apply secure configuration settings and follow the instructions in the ColdFusion lockdown guide.

This is the third round of hotfixes released this year by Adobe for ColdFusion. In May, the company released hotfixes for ColdFusion 10, 11 and the 2016 release to patch three vulnerabilities, including issues related to wild card certificates, Java deserialization and cross-site scripting (XSS).

In June, the company issued a hotfix to resolve an input validation flaw that could have been leveraged for reflected XSS attacks.

While there haven’t been any reports about ColdFusion vulnerabilities being exploited in the wild in the past period, in 2013, hackers leveraged a ColdFusion flaw in several attacks, including ones designed to infect Microsoft IIS servers with malware.

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Eduard Kovacs (@EduardKovacs) is a contributing editor at SecurityWeek. He worked as a high school IT teacher for two years before starting a career in journalism as Softpedia’s security news reporter. Eduard holds a bachelor’s degree in industrial informatics and a master’s degree in computer techniques applied in electrical engineering.