QUALITIA Active Mail up to 6.60.050085 Request stack-based overflow

Summaryinfo

A vulnerability categorized as critical has been discovered in QUALITIA Active Mail up to 6.60.050085. The impacted element is an unknown function of the component Request Handler. Such manipulation leads to stack-based overflow. This vulnerability is uniquely identified as CVE-2025-42599. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability, which was classified as critical, has been found in QUALITIA Active Mail up to 6.60.050085. Affected by this issue is an unknown functionality of the component Request Handler. The manipulation with an unknown input leads to a stack-based overflow vulnerability. Using CWE to declare the problem leads to CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). Impacted is confidentiality, integrity, and availability. CVE summarizes:

Active! mail 6 BuildInfo: 6.60.05008561 and earlier contains a stack-based buffer overflow vulnerability. Receiving a specially crafted request created and sent by a remote unauthenticated attacker may lead to arbitrary code execution and/or a denial-of-service (DoS) condition.

The advisory is available at qualitia.com. This vulnerability is handled as CVE-2025-42599 since 04/16/2025. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 10/22/2025).

It is declared as attacked. This issue was added on 04/28/2025 to the CISA Known Exploited Vulnerabilities Catalog with a due date of 05/19/2025:

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Zero-Day.cz (993). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

• QUALITIA

Name

• Active Mail

Version

• 6.60.050085

CPE 2.3info

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• 🔍

CPE 2.2info

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• 🔍

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Entryinfo

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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