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Poppler CVE-2026-93311

| EUVDEUVD-2026-82612 LOW
Integer Overflow or Wraparound (CWE-190)
2026-09-18 VulDB GHSA-9p2x-92wc-v6h2
2.1
CVSS 4.0 · Vendor: VulDB

Severity by source

Vendor (VulDB) PRIMARY
2.1 MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
vuln.today AI
4.3 MEDIUM

PDF can be delivered remotely (AV:N) but the victim must open it (UI:R); the integer overflow yields only a parser crash, so C:N/I:N/A:L.

3.1 AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
4.0 AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

Primary rating from Vendor (VulDB).

CVSS VectorVendor: VulDB

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
P
Scope
X

Lifecycle Timeline

4
Analysis Generated
Sep 18, 2026 - 01:29 vuln.today
Severity Changed
Sep 18, 2026 - 01:22 NVD
MEDIUM LOW
CVSS changed
Sep 18, 2026 - 01:22 NVD
5.3 (MEDIUM) 2.1 (LOW)
CVE Published
Sep 18, 2026 - 00:30 cve.org
LOW 2.1

DescriptionCVE.org

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.

AnalysisAI

Integer overflow in Freedesktop Poppler 26.07.0's SampledFunction::SampledFunction (poppler/Function.cc) allows unauthenticated remote attackers to crash PDF-rendering applications by supplying a crafted PDF with an oversized BitsPerSample value, resulting in an availability-only denial of service. Exploitation requires a victim to open or render the malicious file (UI:P/UI:R), and publicly available exploit code exists; the issue is not confirmed as actively exploited in CISA KEV. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
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Delivery
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Exploit
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Execution
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Impact
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Vulnerability AssessmentAI

Exploitation Exploitation requires a victim to process an attacker-crafted PDF whose SampledFunction contains an oversized BitsPerSample value that triggers the integer overflow / shift undefined behavior in SampledFunction::SampledFunction (poppler/Function.cc). … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment This is a low-severity, availability-only defect and the signals are internally consistent rather than conflicting. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation No vendor-released patch identified at time of analysis; the upstream bug report (https://gitlab.freedesktop.org/poppler/poppler/-/work_items/1758) had not received a project response when this analysis was written, and no fixed version is listed in the available references. … Detailed patch versions, workarounds, and compensating controls in full report.

Threat intelligence, references, and detailed analysis are available after sign-in.

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CVE-2017-14518 HIGH POC
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In Poppler 0.59.0, a floating point exception exists in the isImageInterpolationRequired() function in Splash.cc via a c

CVE-2017-14520 HIGH POC
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In Poppler 0.59.0, a floating point exception occurs in Splash::scaleImageYuXd() in Splash.cc, which may lead to a poten

CVE-2022-38784 HIGH POC
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Poppler prior to and including 22.08.0 contains an integer overflow in the JBIG2 decoder (JBIG2Stream::readTextRegionSeg

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CVE-2026-93311 vulnerability details – vuln.today

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