Description
An issue was discovered in QPDF before 7.0.0. There is an infinite loop due to looping xref tables in QPDF.cc.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | qpdf | 7.0.0-1 | — |
| Debian 13 | qpdf | 7.0.0-1 | — |
| Debian 12 | qpdf | 7.0.0-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | qpdf | 8.0.2-3~16.04.1 | USN-3638-1 |
| Ubuntu 14.04 LTS | qpdf | 8.0.2-3~14.04.1 | USN-3638-1 |
Advisories 1
- USN-3638-1 qpdf vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026