Vulnerability · Published Sep 18, 2026 · Assigned by VulDB
CVE-2026-93311Freedesktop Poppler SampledFunction Function.cc integer overflow
Medium 4.3
In plain English
A medium-severity integer overflow in Poppler from Freedesktop. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 47% of all known vulnerabilities).
Official 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 packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | poppler | no fix listed | DEBIAN-CVE-2026-93311 |
| Debian:13 | poppler | no fix listed | DEBIAN-CVE-2026-93311 |
| Debian:14 | poppler | no fix listed | DEBIAN-CVE-2026-93311 |
| Ubuntu:22.04:LTS | poppler | no fix listed | UBUNTU-CVE-2026-93311 |
| Ubuntu:24.04:LTS | poppler | no fix listed | UBUNTU-CVE-2026-93311 |
| Ubuntu:26.04:LTS | poppler | no fix listed | UBUNTU-CVE-2026-93311 |
| Ubuntu:26.10 | poppler | no fix listed | UBUNTU-CVE-2026-93311 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Freedesktop | Poppler | 26.07.0 |
Weakness: CWE-190, CWE-189 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
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