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Published: 29 September 2022

There is a use-after-free issue in JBIG2Stream::close() located in in Xpdf 4.04. It can be triggered by sending a crafted PDF file to (for example) the pdfimages binary. It allows an attacker to cause Denial of Service or possibly have unspecified other impact.


xpdf in Debian uses poppler, which is not affected or fixed



Cvss 3 Severity Score


Score breakdown


Package Release Status
Launchpad, Ubuntu, Debian
kinetic Ignored
(end of life, was needs-triage)
bionic Needs triage

focal Needs triage

jammy Needs triage

trusty Does not exist

upstream Needs triage

xenial Needs triage

mantic Needs triage

lunar Ignored
(end of life, was needs-triage)
Launchpad, Ubuntu, Debian
focal Does not exist

jammy Not vulnerable
(code not present)
kinetic Not vulnerable
(code not present)
trusty Does not exist

upstream Not vulnerable
(debian: Debian uses poppler, which is not affected)
xenial Not vulnerable
(code not present)
lunar Not vulnerable
(code not present)
bionic Not vulnerable
(code not present)
mantic Not vulnerable
(code not present)

Severity score breakdown

Parameter Value
Base score 7.8
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H