Integer Overflow Vulnerability in Freedesktop Poppler Product
CVE-2026-93314

5.3MEDIUM

Key Information:

Vendor

Freedesktop

Status
Poppler
Vendor
CVE Published:
18 September 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-93314?

An integer overflow vulnerability has been identified in Freedesktop Poppler, specifically in the function FoFiTrueType::mapCodeToGID within the file fofi/FoFiTrueType.cc. This vulnerability arises from a manipulation of the argument segCnt, leading to potential security risks when exploited. The attack can be executed remotely, raising concerns for users and administrators alike. To mitigate this issue, it is crucial to apply the patch identified with the hash ed2a5538cf0a8d3ff908191eda9b73f91a5f952a, which addresses the underlying problem.

Affected Version(s)

Poppler 26.07.0

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-93314 - Proof of Concept

References

https://vuldb.com/vuln/406613
vdb-entrytechnical-description
https://vuldb.com/vuln/406613/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-93314
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

r1ck99 (VulDB User)
.