MIME::Parser versions before 5.521 for Perl allow memory exhaustion via indented error messages from a truncated, deeply nested message.
Each stored parser diagnostic is indented by three spaces per nesting level. When a message nested N levels deep ends without its closing boundaries, every level logs an error at its own depth, so the stored diagnostics grow with the square of N. The defaults place no limit on nesting depth.
Each stored parser diagnostic is indented by three spaces per nesting level. When a message nested N levels deep ends without its closing boundaries, every level logs an error at its own depth, so the stored diagnostics grow with the square of N. The defaults place no limit on nesting depth.
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Advisories
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Fixes
Solution
Upgrade to MIME-tools 5.521 or later.
Workaround
No workaround given by the vendor.
References
| Link | Providers |
|---|---|
| https://metacpan.org/release/DSKOLL/MIME-tools-5.521/changes |
|
History
Wed, 28 Oct 2026 17:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | MIME::Parser versions before 5.521 for Perl allow memory exhaustion via indented error messages from a truncated, deeply nested message. Each stored parser diagnostic is indented by three spaces per nesting level. When a message nested N levels deep ends without its closing boundaries, every level logs an error at its own depth, so the stored diagnostics grow with the square of N. The defaults place no limit on nesting depth. | |
| Title | MIME::Parser versions before 5.521 for Perl allow memory exhaustion via indented error messages from a truncated, deeply nested message | |
| Weaknesses | CWE-407 | |
| References |
|
Projects
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Status: PUBLISHED
Assigner: CPANSec
Published:
Updated: 2026-10-28T17:32:45.677Z
Reserved: 2026-10-25T18:05:02.235Z
Link: CVE-2026-116267
No data.
Status : Received
Published: 2026-10-28T18:17:13.123
Modified: 2026-10-28T18:17:13.123
Link: CVE-2026-116267
No data.
OpenCVE Enrichment
Updated: 2026-10-28T19:00:23Z
Weaknesses