CVE-2026-82560

Description

Pod::Text versions before 6.1.1 for Perl allow CPU and memory exhaustion formatting a POD document whose =over nesting drives the margin to the output width. Each =over adds its indent to the margin, which wrap() subtracts from the output width to get the space available for text. When that space reaches zero, the line-splitting substitution matches the empty string, and the loop consumes no input while appending the margin padding on every pass. Formatting an attacker-supplied POD document never returns, and the output grows until memory is exhausted.

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Weakness Type (CWE)

CWE-835 CWE-835

References

Other References

https://github.com/rra/podlators/commit/70510174f69eb54aa6d617bde4e1402cd9b7c61f.patch https://metacpan.org/release/RRA/podlators-v6.1.0/source/lib/Pod/Text.pm#L245-261 https://metacpan.org/release/RRA/podlators-v6.1.1/changes http://www.openwall.com/lists/oss-security/2026/09/19/6

Frequently Asked Questions

What is CVE-2026-82560? +

Pod::Text versions before 6.1.1 for Perl allow CPU and memory exhaustion formatting a POD document whose =over nesting drives the margin to the output width. Each =over adds its indent to the margin, which wrap() subtracts from the output width to get the space available for text. When that space reaches zero, the line-splitting substitution matches the empty string, and the loop consumes no input while appending the margin padding on every pass. Formatting an attacker-supplied POD document never returns, and the output grows until memory is exhausted.

How do I check if I'm vulnerable to CVE-2026-82560? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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