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

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-82560
StatePUBLISHED
AssignerCPANSec
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-19 16:16:32 UTC
Updated2026-09-19 21:16:27 UTC
DescriptionPod::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.

Risk And Classification

Problem Types: CWE-835 | CWE-835 CWE-835 Loop with Unreachable Exit Condition ('Infinite Loop')

References

ReferenceSourceLinkTags
metacpan.org/release/RRA/podlators-v6.1.1/changes 9b29abf9-4ab0-4765-b253-1875cd9b441e metacpan.org
github.com/rra/podlators/commit/70510174f69eb54aa6d617bde4e1402cd9b7c61f... 9b29abf9-4ab0-4765-b253-1875cd9b441e github.com
metacpan.org/release/RRA/podlators-v6.1.0/source/lib/Pod/Text.pm 9b29abf9-4ab0-4765-b253-1875cd9b441e metacpan.org
www.openwall.com/lists/oss-security/2026/09/19/6 af854a3a-2127-422b-91ae-364da2661108 www.openwall.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Additional Advisory Data

Solutions

CNA: Upgrade to podlators v6.1.1 or later.

Workarounds

CNA: Until a Perl release carries the fix, install podlators v6.1.1 or later, which takes precedence over the bundled copy.

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