Ubuntu USN · USN-8467-1

Perl vulnerabilities

Published: Wed, 24 Jun 2026 13:14

CVE-2026-8376

Summary

Several security issues were fixed in Perl.

Details

It was discovered that Perl's Archive::Tar module incorrectly handled symlink and hardlink targets during extraction. An attacker could use this issue to read or overwrite arbitrary files outside the extraction directory. (CVE-2026-42496) It was discovered that Perl had a heap buffer overflow when compiling regular expressions with a repeated fixed string on 32-bit builds. An attacker could use this issue to cause a denial of service or possibly execute arbitrary code. (CVE-2026-8376)

Recommended actions per Ubuntu release

StackPatch playbook auto-generated per release codename and per affected package.

Ubuntu bionic

perl→5.26.1-6ubuntu0.7+esm2apt_upgrade
Standard apt upgrade. Install 5.26.1-6ubuntu0.7+esm2 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y perl
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
libperl-dev→5.26.1-6ubuntu0.7+esm2apt_upgrade
Standard apt upgrade. Install 5.26.1-6ubuntu0.7+esm2 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y libperl-dev
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
libperl5.26→5.26.1-6ubuntu0.7+esm2apt_upgrade
Standard apt upgrade. Install 5.26.1-6ubuntu0.7+esm2 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y libperl5.26
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
perl→5.26.1-6ubuntu0.7+esm2apt_upgrade
Standard apt upgrade. Install 5.26.1-6ubuntu0.7+esm2 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y perl
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
perl-base→5.26.1-6ubuntu0.7+esm2apt_upgrade
Standard apt upgrade. Install 5.26.1-6ubuntu0.7+esm2 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y perl-base
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
perl-debug→5.26.1-6ubuntu0.7+esm2apt_upgrade
Standard apt upgrade. Install 5.26.1-6ubuntu0.7+esm2 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y perl-debug
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
perl-doc→5.26.1-6ubuntu0.7+esm2apt_upgrade
Standard apt upgrade. Install 5.26.1-6ubuntu0.7+esm2 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y perl-doc
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
perl-modules-5.26→5.26.1-6ubuntu0.7+esm2apt_upgrade
Standard apt upgrade. Install 5.26.1-6ubuntu0.7+esm2 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y perl-modules-5.26
```
Most apt upgrades restart their service automatically. needrestart lists anything else.

Ubuntu focal

perl→5.30.0-9ubuntu0.5+esm2apt_upgrade
Standard apt upgrade. Install 5.30.0-9ubuntu0.5+esm2 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y perl
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
libperl-dev→5.30.0-9ubuntu0.5+esm2apt_upgrade
Standard apt upgrade. Install 5.30.0-9ubuntu0.5+esm2 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y libperl-dev
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
libperl5.30→5.30.0-9ubuntu0.5+esm2apt_upgrade
Standard apt upgrade. Install 5.30.0-9ubuntu0.5+esm2 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y libperl5.30
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
perl→5.30.0-9ubuntu0.5+esm2apt_upgrade
Standard apt upgrade. Install 5.30.0-9ubuntu0.5+esm2 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y perl
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
perl-base→5.30.0-9ubuntu0.5+esm2apt_upgrade
Standard apt upgrade. Install 5.30.0-9ubuntu0.5+esm2 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y perl-base
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
perl-debug→5.30.0-9ubuntu0.5+esm2apt_upgrade
Standard apt upgrade. Install 5.30.0-9ubuntu0.5+esm2 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y perl-debug
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
perl-doc→5.30.0-9ubuntu0.5+esm2apt_upgrade
Standard apt upgrade. Install 5.30.0-9ubuntu0.5+esm2 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y perl-doc
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
perl-modules-5.30→5.30.0-9ubuntu0.5+esm2apt_upgrade
Standard apt upgrade. Install 5.30.0-9ubuntu0.5+esm2 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y perl-modules-5.30
```
Most apt upgrades restart their service automatically. needrestart lists anything else.

Ubuntu trusty

perl→5.18.2-2ubuntu1.7+esm7apt_upgrade
Standard apt upgrade. Install 5.18.2-2ubuntu1.7+esm7 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y perl
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
libcgi-fast-perl→5.18.2-2ubuntu1.7+esm7apt_upgrade
Standard apt upgrade. Install 5.18.2-2ubuntu1.7+esm7 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y libcgi-fast-perl
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
libperl-dev→5.18.2-2ubuntu1.7+esm7apt_upgrade
Standard apt upgrade. Install 5.18.2-2ubuntu1.7+esm7 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y libperl-dev
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
libperl5.18→5.18.2-2ubuntu1.7+esm7apt_upgrade
Standard apt upgrade. Install 5.18.2-2ubuntu1.7+esm7 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y libperl5.18
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
perl→5.18.2-2ubuntu1.7+esm7apt_upgrade
Standard apt upgrade. Install 5.18.2-2ubuntu1.7+esm7 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y perl
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
perl-base→5.18.2-2ubuntu1.7+esm7apt_upgrade
Standard apt upgrade. Install 5.18.2-2ubuntu1.7+esm7 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y perl-base
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
perl-debug→5.18.2-2ubuntu1.7+esm7apt_upgrade
Standard apt upgrade. Install 5.18.2-2ubuntu1.7+esm7 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y perl-debug
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
perl-doc→5.18.2-2ubuntu1.7+esm7apt_upgrade
Standard apt upgrade. Install 5.18.2-2ubuntu1.7+esm7 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y perl-doc
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
perl-modules→5.18.2-2ubuntu1.7+esm7apt_upgrade
Standard apt upgrade. Install 5.18.2-2ubuntu1.7+esm7 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y perl-modules
```
Most apt upgrades restart their service automatically. needrestart lists anything else.

Ubuntu xenial

perl→5.22.1-9ubuntu0.9+esm2apt_upgrade
Standard apt upgrade. Install 5.22.1-9ubuntu0.9+esm2 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y perl
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
libperl-dev→5.22.1-9ubuntu0.9+esm2apt_upgrade
Standard apt upgrade. Install 5.22.1-9ubuntu0.9+esm2 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y libperl-dev
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
libperl5.22→5.22.1-9ubuntu0.9+esm2apt_upgrade
Standard apt upgrade. Install 5.22.1-9ubuntu0.9+esm2 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y libperl5.22
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
perl→5.22.1-9ubuntu0.9+esm2apt_upgrade
Standard apt upgrade. Install 5.22.1-9ubuntu0.9+esm2 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y perl
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
perl-base→5.22.1-9ubuntu0.9+esm2apt_upgrade
Standard apt upgrade. Install 5.22.1-9ubuntu0.9+esm2 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y perl-base
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
perl-debug→5.22.1-9ubuntu0.9+esm2apt_upgrade
Standard apt upgrade. Install 5.22.1-9ubuntu0.9+esm2 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y perl-debug
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
perl-doc→5.22.1-9ubuntu0.9+esm2apt_upgrade
Standard apt upgrade. Install 5.22.1-9ubuntu0.9+esm2 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y perl-doc
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
perl-modules-5.22→5.22.1-9ubuntu0.9+esm2apt_upgrade
Standard apt upgrade. Install 5.22.1-9ubuntu0.9+esm2 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y perl-modules-5.22
```
Most apt upgrades restart their service automatically. needrestart lists anything else.

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