Yelp vulnerability
Published: Tue, 11 Aug 2026 19:27
Summary
Yelp could be made to expose sensitive information.
Details
It was discovered that Yelp incorrectly handled certain crafted help documents due to an overly permissive Content Security Policy. An attacker could trick a user into opening a specially crafted document, possibly resulting in the disclosure of sensitive information.
Recommended actions per Ubuntu release
StackPatch playbook auto-generated per release codename and per affected package.
Ubuntu bionic
yelp→3.26.0-1ubuntu2+esm1apt_upgradeStandard apt upgrade. Install 3.26.0-1ubuntu2+esm1 from the apt repo.
sudo apt-get update sudo apt-get install --only-upgrade -y yelp
Most apt upgrades restart their service automatically. needrestart lists anything else.
libyelp-dev→3.26.0-1ubuntu2+esm1apt_upgradeStandard apt upgrade. Install 3.26.0-1ubuntu2+esm1 from the apt repo.
sudo apt-get update sudo apt-get install --only-upgrade -y libyelp-dev
Most apt upgrades restart their service automatically. needrestart lists anything else.
libyelp0→3.26.0-1ubuntu2+esm1apt_upgradeStandard apt upgrade. Install 3.26.0-1ubuntu2+esm1 from the apt repo.
sudo apt-get update sudo apt-get install --only-upgrade -y libyelp0
Most apt upgrades restart their service automatically. needrestart lists anything else.
yelp→3.26.0-1ubuntu2+esm1apt_upgradeStandard apt upgrade. Install 3.26.0-1ubuntu2+esm1 from the apt repo.
sudo apt-get update sudo apt-get install --only-upgrade -y yelp
Most apt upgrades restart their service automatically. needrestart lists anything else.
Ubuntu focal
yelp→3.36.2-0ubuntu1.1+esm1apt_upgradeStandard apt upgrade. Install 3.36.2-0ubuntu1.1+esm1 from the apt repo.
sudo apt-get update sudo apt-get install --only-upgrade -y yelp
Most apt upgrades restart their service automatically. needrestart lists anything else.
libyelp-dev→3.36.2-0ubuntu1.1+esm1apt_upgradeStandard apt upgrade. Install 3.36.2-0ubuntu1.1+esm1 from the apt repo.
sudo apt-get update sudo apt-get install --only-upgrade -y libyelp-dev
Most apt upgrades restart their service automatically. needrestart lists anything else.
libyelp0→3.36.2-0ubuntu1.1+esm1apt_upgradeStandard apt upgrade. Install 3.36.2-0ubuntu1.1+esm1 from the apt repo.
sudo apt-get update sudo apt-get install --only-upgrade -y libyelp0
Most apt upgrades restart their service automatically. needrestart lists anything else.
yelp→3.36.2-0ubuntu1.1+esm1apt_upgradeStandard apt upgrade. Install 3.36.2-0ubuntu1.1+esm1 from the apt repo.
sudo apt-get update sudo apt-get install --only-upgrade -y yelp
Most apt upgrades restart their service automatically. needrestart lists anything else.
Ubuntu jammy
yelp→42.1-1ubuntu0.2apt_upgradeStandard apt upgrade. Install 42.1-1ubuntu0.2 from the apt repo.
sudo apt-get update sudo apt-get install --only-upgrade -y yelp
Most apt upgrades restart their service automatically. needrestart lists anything else.
libyelp-dev→42.1-1ubuntu0.2apt_upgradeStandard apt upgrade. Install 42.1-1ubuntu0.2 from the apt repo.
sudo apt-get update sudo apt-get install --only-upgrade -y libyelp-dev
Most apt upgrades restart their service automatically. needrestart lists anything else.
libyelp0→42.1-1ubuntu0.2apt_upgradeStandard apt upgrade. Install 42.1-1ubuntu0.2 from the apt repo.
sudo apt-get update sudo apt-get install --only-upgrade -y libyelp0
Most apt upgrades restart their service automatically. needrestart lists anything else.
yelp→42.1-1ubuntu0.2apt_upgradeStandard apt upgrade. Install 42.1-1ubuntu0.2 from the apt repo.
sudo apt-get update sudo apt-get install --only-upgrade -y yelp
Most apt upgrades restart their service automatically. needrestart lists anything else.
Ubuntu noble
yelp→42.2-1ubuntu0.24.04.2apt_upgradeStandard apt upgrade. Install 42.2-1ubuntu0.24.04.2 from the apt repo.
sudo apt-get update sudo apt-get install --only-upgrade -y yelp
Most apt upgrades restart their service automatically. needrestart lists anything else.
libyelp-dev→42.2-1ubuntu0.24.04.2apt_upgradeStandard apt upgrade. Install 42.2-1ubuntu0.24.04.2 from the apt repo.
sudo apt-get update sudo apt-get install --only-upgrade -y libyelp-dev
Most apt upgrades restart their service automatically. needrestart lists anything else.
libyelp0→42.2-1ubuntu0.24.04.2apt_upgradeStandard apt upgrade. Install 42.2-1ubuntu0.24.04.2 from the apt repo.
sudo apt-get update sudo apt-get install --only-upgrade -y libyelp0
Most apt upgrades restart their service automatically. needrestart lists anything else.
yelp→42.2-1ubuntu0.24.04.2apt_upgradeStandard apt upgrade. Install 42.2-1ubuntu0.24.04.2 from the apt repo.
sudo apt-get update sudo apt-get install --only-upgrade -y yelp
Most apt upgrades restart their service automatically. needrestart lists anything else.
Ubuntu resolute
yelp→49.0-5ubuntu0.1apt_upgradeStandard apt upgrade. Install 49.0-5ubuntu0.1 from the apt repo.
sudo apt-get update sudo apt-get install --only-upgrade -y yelp
Most apt upgrades restart their service automatically. needrestart lists anything else.
libyelp-1-0→49.0-5ubuntu0.1apt_upgradeStandard apt upgrade. Install 49.0-5ubuntu0.1 from the apt repo.
sudo apt-get update sudo apt-get install --only-upgrade -y libyelp-1-0
Most apt upgrades restart their service automatically. needrestart lists anything else.
libyelp-dev→49.0-5ubuntu0.1apt_upgradeStandard apt upgrade. Install 49.0-5ubuntu0.1 from the apt repo.
sudo apt-get update sudo apt-get install --only-upgrade -y libyelp-dev
Most apt upgrades restart their service automatically. needrestart lists anything else.
yelp→49.0-5ubuntu0.1apt_upgradeStandard apt upgrade. Install 49.0-5ubuntu0.1 from the apt repo.
sudo apt-get update sudo apt-get install --only-upgrade -y yelp
Most apt upgrades restart their service automatically. needrestart lists anything else.
Ubuntu xenial
yelp→3.18.1-1ubuntu4+esm1apt_upgradeStandard apt upgrade. Install 3.18.1-1ubuntu4+esm1 from the apt repo.
sudo apt-get update sudo apt-get install --only-upgrade -y yelp
Most apt upgrades restart their service automatically. needrestart lists anything else.
libyelp-dev→3.18.1-1ubuntu4+esm1apt_upgradeStandard apt upgrade. Install 3.18.1-1ubuntu4+esm1 from the apt repo.
sudo apt-get update sudo apt-get install --only-upgrade -y libyelp-dev
Most apt upgrades restart their service automatically. needrestart lists anything else.
libyelp0→3.18.1-1ubuntu4+esm1apt_upgradeStandard apt upgrade. Install 3.18.1-1ubuntu4+esm1 from the apt repo.
sudo apt-get update sudo apt-get install --only-upgrade -y libyelp0
Most apt upgrades restart their service automatically. needrestart lists anything else.
yelp→3.18.1-1ubuntu4+esm1apt_upgradeStandard apt upgrade. Install 3.18.1-1ubuntu4+esm1 from the apt repo.
sudo apt-get update sudo apt-get install --only-upgrade -y yelp
Most apt upgrades restart their service automatically. needrestart lists anything else.
Are YOU affected by USN-8627-1?
5-second check on your actual server. Reads /etc/os-release, uname -r, and dpkg-query; matches against the live USN + Debian Security Tracker feeds; tells you whether USN-8627-1 (and any other live CVE) applies. Anonymous, no signup.
curl https://mindsparkstack.com/scan.sh | bash
StackPatch runs this match against YOUR installed packages every hour
Free (3 servers) / from $9/mo (14-day free trial) / Solo $9/mo / Pro $29/mo / Team $79/mo. Indie pricing.