Description
A vulnerability was detected in Freedesktop Poppler 26.07.0. This issue affects the function SampledFunction::SampledFunction of the file poppler/Function.cc of the component SampledFunction. The manipulation of the argument BitsPerSample results in integer overflow. The attack may be performed from remote. The exploit is now public and may be used. The project was informed of the problem early through a bug report but has not responded yet.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Freedesktop | Poppler | 26.07.0 | — |
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 | poppler | 26.07.0-4 | — |
| Debian 13 | poppler | No fix yet | — |
| Debian 12 | poppler | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | poppler | No fix yet | — |
| Ubuntu 26.04 LTS | poppler | No fix yet | — |
| Ubuntu 24.04 LTS | poppler | No fix yet | — |
| Ubuntu 22.04 LTS | poppler | No fix yet | — |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 20.04 LTS | poppler | No fix yet | — |
| Ubuntu Pro 18.04 LTS | poppler | No fix yet | — |
| Ubuntu Pro 16.04 LTS | poppler | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Hardened Images 1 | poppler +9 | 26.08.0-1.5.hum1 | RHSA-2026:82452 |
Advisories 1
- RHSA-2026:82452 Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update Red Hat Security Advisories (RHSA) · Oct 14, 2026
References
- VDB-406609 | Freedesktop Poppler SampledFunction Function.cc integer overflow vdb-entry technical-description
- VDB-406609 | CTI Indicators (IOB, IOC, IOA) signature permissions-required
- CVE-2026-93311 | CVE Analysis and Report third-party-advisory
- Submit #942344 | freedesktop.org Poppler 26.07.0 Integer Overflow third-party-advisory
- https://gitlab.freedesktop.org/poppler/poppler/-/work_items/1758 related
- https://github.com/r1ck9-2q/cve_summit/blob/main/Shift-exponent-undefined-behavior-in-SampledFunction-Function.cc-376.md exploit