Description
In Xpdf 4.05 (and earlier), a PDF object loop in a CMap, via the "UseCMap" entry, leads to infinite recursion and a stack overflow.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Xpdf | Xpdf | ≤ 4.05 | — |
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.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | ipe +1 | No fix yet | — |
| Ubuntu 26.04 LTS | ipe +1 | No fix yet | — |
| Ubuntu 25.10 | ipe +1 | No fix yet | — |
| Ubuntu 24.04 LTS | ipe +1 | No fix yet | — |
| Ubuntu 22.04 LTS | ipe +1 | No fix yet | — |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | ipe | No fix yet | — |
| Ubuntu 18.04 LTS | ipe +1 | No fix yet | — |
| Ubuntu 16.04 LTS | ipe +1 | No fix yet | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP7 | poppler | 0.79.0-150200.3.49.1 | SUSE-SU-2025:4439-1, SUSE-SU-2025:4434-1 |
| SLES 15 SP7 | poppler-qt5 +1 | 24.03.0-150600.3.27.1 | SUSE-SU-2025:4434-1 |
| SLES 15 SP6 | poppler +2 | 24.03.0-150600.3.27.1 | SUSE-SU-2025:4434-1 |
| SLES 12 SP5 | poppler +1 | 0.43.0-16.70.1 | SUSE-SU-2026:0081-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 16.0 | poppler +1 | 25.04.0-160000.4.1 | SUSE-SU-2026:20911-1 |
| SLES 16.0 | poppler +1 | 25.04.0-160000.4.1 | SUSE-SU-2026:20911-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | poppler | 25.09.1-4.1 | openSUSE-SU-2025:15812-1 |
| openSUSE Leap 16.0 | poppler +2 | 25.04.0-160000.4.1 | openSUSE-SU-2026:20397-1 |
| openSUSE Leap 15.6 | poppler +2 | 24.03.0-150600.3.27.1 | SUSE-SU-2025:4434-1 |
Advisories 7
- SUSE-SU-2026:20911-1 Security update for poppler SUSE / openSUSE Security Updates · Apr 2, 2026
- WID-SEC-2025-2325 xpdf: Schwachstelle ermöglicht Denial of Service BSI CERT-Bund (WID) · Apr 1, 2026
- openSUSE-SU-2026:20397-1 Security update for poppler SUSE / openSUSE Security Updates · Mar 29, 2026
- openSUSE-SU-2025:15812-1 libpoppler-cpp2-25.09.1-4.1 on GA media SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2026:0081-1 Security update for poppler SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2025:4434-1 Security update for poppler SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2025:4439-1 Security update for poppler SUSE / openSUSE Security Updates · Mar 23, 2026