PETDANCE App::Ack up to 3.9.x Setting memory allocation

Summaryinfo

A vulnerability was found in PETDANCE App::Ack up to 3.9.x. It has been rated as problematic. Impacted is an unknown function of the component Setting Handler. Performing a manipulation results in memory allocation. This vulnerability is reported as CVE-2026-49146. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability, which was classified as problematic, was found in PETDANCE App::Ack up to 3.9.x. This affects an unknown function of the component Setting Handler. The manipulation with an unknown input leads to a memory allocation vulnerability. CWE is classifying the issue as CWE-789. The product allocates memory based on an untrusted, large size value, but it does not ensure that the size is within expected limits, allowing arbitrary amounts of memory to be allocated. This is going to have an impact on availability. The summary by CVE is:

App::Ack versions before 3.10.0 for Perl allow memory exhaustion via an unbounded context value in a project .ackrc. ack searches up the directory hierarchy from the current directory for a project .ackrc and loads its options. The -B and -C context options accepted any positive integer, and ack sized the before-context buffer to that value, so a project .ackrc setting --before-context=100000000 made ack allocate a buffer of 100 million elements. A project .ackrc committed to an untrusted repository can abort ack with an out-of-memory condition.

It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2026-49146 since 05/27/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 3.10.0 eliminates this vulnerability.

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Productinfo

Vendor

• PETDANCE

Name

• App::Ack

Version

• 3.0
• 3.1
• 3.2
• 3.3
• 3.4
• 3.5
• 3.6
• 3.7
• 3.8
• 3.9

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CPE 2.2info

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