Vulnerability 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.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://github.com/r1ck9-2q/cve_summit/blob/main/Shift-exponent-undefined-behavi
- https://gitlab.freedesktop.org/poppler/poppler/-/work_items/1758
- https://vuldb.com/cve/CVE-2026-93311
- https://vuldb.com/submit/942344
- https://vuldb.com/vuln/406609
- https://vuldb.com/vuln/406609/cti
FAQ
What is CVE-2026-93311?
CVE-2026-93311 is a vulnerability with a CVSS score of 4.3 (MEDIUM). 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 mani...
How severe is CVE-2026-93311?
CVE-2026-93311 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-93311?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.