CVE-2026-93314: Freedesktop Poppler FoFiTrueType.cc mapCodeToGID integer overflow
A vulnerability was determined in Freedesktop Poppler 26.07.0. This affects the function FoFiTrueType::mapCodeToGID of the file fofi/FoFiTrueType.cc. Executing a manipulation of the argument segCnt can lead to integer overflow. The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized. This patch is called ed2a5538cf0a8d3ff908191eda9b73f91a5f952a. It is advisable to implement a patch to correct this issue.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Freedesktop Popplerto a version that resolves this vulnerability.Fixed in 26.07.0Patch ed2a5538cf0a8d3ff908191eda9b73f91a5f952a - Compensating control
Because the issue is exploitable remotely and publicly disclosed, restrict network access to Poppler/processing endpoints (e.g., management and any service that parses PDFs) to trusted clients only until the patch is applied.
Event History
Frequently Asked Questions
What does an attacker need to exploit this issue?
An attacker needs to induce processing of input that manipulates the segCnt argument in FoFiTrueType::mapCodeToGID. The issue is remotely reachable and requires user interaction, but no privileges are required.
Is public exploit information available?
Yes. The exploit has been publicly disclosed and may be used.
What should be done to remediate the issue?
Apply patch ed2a5538cf0a8d3ff908191eda9b73f91a5f952a. The provided data identifies Freedesktop Poppler 26.07.0 as affected.