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.
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Affected Vendors & Products
References
History
Wed, 08 Jul 2026 16:30:00 +0000
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| Description | 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. | |
| Title | App::Ack versions before 3.10.0 for Perl allow memory exhaustion via an unbounded context value in a project .ackrc | |
| Weaknesses | CWE-770 | |
| References |
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Status: PUBLISHED
Assigner: CPANSec
Published:
Updated: 2026-07-08T17:31:33.218Z
Reserved: 2026-05-27T17:50:04.538Z
Link: CVE-2026-49146
Updated: 2026-07-08T17:31:33.218Z
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OpenCVE Enrichment
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