Integer Overflow in Freedesktop Poppler Affects Local Security Features
CVE-2026-102620

4.8MEDIUM

Key Information:

Vendor

Freedesktop

Status
Poppler
Vendor
CVE Published:
29 September 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-102620?

A critical vulnerability has been identified in Freedesktop Poppler versions 26.06.0, 26.07.0, and 26.08.0, stemming from an integer overflow in the FoFiTrueType::cvtSfnts function located in fofi/FoFiTrueType.cc. This flaw enables local attackers to potentially execute malicious code. The vulnerability has been publicly disclosed, and it is advisable for users to apply the available patch (commit: 245d3c6823377755f2c1d5fdddd010279c6ed94d) to mitigate risks associated with this exploit.

Affected Version(s)

Poppler 26.06.0

Poppler 26.07.0

Poppler 26.08.0

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-2026-102620 - Proof of Concept

References

https://vuldb.com/vuln/411410
vdb-entrytechnical-description
https://vuldb.com/vuln/411410/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-102620
third-party-advisory

CVSS V4

Score:
4.8
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

r1ck99 (VulDB User)
.