Medium severity · published Sep 18, 2026
CVE-2026-93311
Freedesktop Poppler SampledFunction Function.cc integer overflow
4.3
CVSS
0.6%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 47% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PO
Poppler · Freedesktop
26.07.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-93311
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-93311
github.com
https://github.com/r1ck9-2q/cve_summit/blob/main/Shift-exponent-undefined-behavior-in-SampledFunction-Function.cc-376.md
gitlab.freedesktop.org
https://gitlab.freedesktop.org/poppler/poppler/-/work_items/1758
vuldb.com
https://vuldb.com/cve/CVE-2026-93311
vuldb.com
https://vuldb.com/submit/942344
vuldb.com
https://vuldb.com/vuln/406609
vuldb.com
https://vuldb.com/vuln/406609/cti
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