# Perl MIME-tools vulnerabilities

Source: https://junglewise.ai/threats/technologies/mime-tools  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 11 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/mime-tools.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 5 vulnerabilities in Perl MIME-tools: 0 in the last 7 days and 5 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-116272, was published on 28 October 2026. 5 vulnerabilities in the last four weeks, up from none in the four before.

## Counts

- Last 7 days: 0
- Last 30 days: 5
- Last 90 days: 5
- All time: 5 (0 critical, 0 exploited in the wild)

## About Perl MIME-tools

Perl library for creating, parsing, and manipulating MIME format messages and attachments.

## Latest Perl MIME-tools vulnerabilities

- [CVE-2026-116272: MIME-tools MIME::Parser duplicate boundary detection bypass with comments](https://junglewise.ai/threats/cve-2026-116272-mime-field-paramval-versions-before-5-521-for-perl-do-not-flag-a) (info, published 28 Oct 2026)
- [CVE-2026-116271: MIME-tools FileUnder symlink following directory reuse](https://junglewise.ai/threats/cve-2026-116271-mime-parser-fileunder-versions-before-5-521-for-perl-reuse-a-pre) (info, published 28 Oct 2026)
- [CVE-2026-116269: MIME-tools RFC 2231 language tag parsing empty filename](https://junglewise.ai/threats/cve-2026-116269-mime-field-paramval-versions-before-5-521-for-perl-turn-an-rfc) (info, published 28 Oct 2026)
- [CVE-2026-116268: MIME-tools ParamVal regex backtracking CPU exhaustion](https://junglewise.ai/threats/cve-2026-116268-mime-field-paramval-versions-before-5-521-for-perl-allow-cpu) (info, published 28 Oct 2026)
- [CVE-2026-116265: MIME::tools RFC 2231 boundary ambiguity check bypass](https://junglewise.ai/threats/cve-2026-116265-mime-field-paramval-versions-before-5-521-for-perl-do-not-flag) (info, published 28 Oct 2026)

## Most severe Perl MIME-tools vulnerabilities

- [CVE-2026-116272: MIME-tools MIME::Parser duplicate boundary detection bypass with comments](https://junglewise.ai/threats/cve-2026-116272-mime-field-paramval-versions-before-5-521-for-perl-do-not-flag-a) (info, published 28 Oct 2026)
- [CVE-2026-116271: MIME-tools FileUnder symlink following directory reuse](https://junglewise.ai/threats/cve-2026-116271-mime-parser-fileunder-versions-before-5-521-for-perl-reuse-a-pre) (info, published 28 Oct 2026)
- [CVE-2026-116269: MIME-tools RFC 2231 language tag parsing empty filename](https://junglewise.ai/threats/cve-2026-116269-mime-field-paramval-versions-before-5-521-for-perl-turn-an-rfc) (info, published 28 Oct 2026)
- [CVE-2026-116268: MIME-tools ParamVal regex backtracking CPU exhaustion](https://junglewise.ai/threats/cve-2026-116268-mime-field-paramval-versions-before-5-521-for-perl-allow-cpu) (info, published 28 Oct 2026)
- [CVE-2026-116265: MIME::tools RFC 2231 boundary ambiguity check bypass](https://junglewise.ai/threats/cve-2026-116265-mime-field-paramval-versions-before-5-521-for-perl-do-not-flag) (info, published 28 Oct 2026)

## Vulnerabilities per week

5 vulnerabilities in the last four weeks, up from none in the four before.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 5 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Other Perl technologies

- [Perl CGI](https://junglewise.ai/threats/technologies/perl-cgi): 13 vulnerabilities
- [Perl HTTP::Body](https://junglewise.ai/threats/technologies/http-body): 3 vulnerabilities
- [Perl DBI](https://junglewise.ai/threats/technologies/perl-dbi): 3 vulnerabilities
- [Perl Web::Simple](https://junglewise.ai/threats/technologies/web-simple): 3 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Perl MIME-tools vulnerabilities", https://junglewise.ai/threats/technologies/mime-tools, 11 November 2026.