Debian bullseye
Source: Debian Security Tracker
libextractor→ fixed in0.5.10-1urgency: mediumsudo apt-get install --only-upgrade -y libextractor
poppler→ fixed in0.4.5-1urgency: mediumsudo apt-get install --only-upgrade -y poppler
xpdf→ fixed in3.01-6urgency: mediumsudo apt-get install --only-upgrade -y xpdf