CVE-2026-82560
Publication date 19 September 2026
Last updated 11 November 2026
Ubuntu priority
Cvss 3 Severity Score
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.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| perl | 26.10 stonking |
Fixed in 5.42.3-1ubuntu0.1
|
| 26.04 LTS resolute |
Fixed in 5.40.1-7ubuntu0.4
|
|
| 24.04 LTS noble |
Fixed in 5.38.2-3.2ubuntu0.7
|
|
| 22.04 LTS jammy |
Fixed in 5.34.0-3ubuntu1.10
|
|
| 20.04 LTS focal |
Fixed in 5.30.0-9ubuntu0.5+esm5
|
|
| 18.04 LTS bionic |
Fixed in 5.26.1-6ubuntu0.7+esm5
|
|
| 16.04 LTS xenial |
Fixed in 5.22.1-9ubuntu0.9+esm5
|
|
| 14.04 LTS trusty |
Fixed in 5.18.2-2ubuntu1.7+esm10
|
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CVSS version: CVSS v3.0
Base score
7.5 · High
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References
Related Ubuntu Security Notices (USN)
- USN-9006-1
- Perl vulnerability
- 9 November 2026
Other references
- https://www.cve.org/CVERecord?id=CVE-2026-82560
- https://lists.security.metacpan.org/cve-announce/msg/43682367/
- 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