CVE-2026-116267EUVD-2026-112299GHSA-4HX4-Q2MP-7H24
MIME::Parser versions before 5.521 for Perl allow memory exhaustion via indented error messages from a truncated, deeply nested message
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 5.521
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
MIME::Parser, a Perl module for parsing email messages, is affected. A specially crafted, truncated, deeply nested message can cause the parser to consume excessive memory, potentially exhausting available resources.
Summarized by anthropic/claude-haiku-5.5. Verify details against the original sources.
Read the original 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.
Timeline
- CVE published
- First seen by cve.now
Affected versions
- MIME-tools
fixed in 5.521