CVE-2026-93314 — Poppler
MEDIUMCVE-2026-93314 is a medium-severity (CVSS 6.3) Integer Overflow vulnerability in freedesktop poppler. No vendor fix is recorded yet; mitigation options are listed below.
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…
Description
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 Products
popplerfreedesktopDetection & mitigation playbook
Vendor / applianceDetect
Inventory every freedesktop poppler deployment and check each version against the affected-products list above. Because the exploit targets the running system rather than your application code, also watch for remote code execution at the network and runtime layer — O3 flags the exploit behaviour from runtime telemetry and egress traffic even before a vulnerable build is confirmed.
Remediation status
No patch has shipped for CVE-2026-93314 yet — track the freedesktop poppler advisory for a fixed release and apply the workarounds below in the meantime.
Mitigate without a patch
Cut exposure now: restrict the management/admin interface to trusted networks, segment the device, and apply the vendor's recommended configuration mitigations and any WAF/IPS signature. O3's runtime protection blocks the exploit chain at execution, holding the line on unpatched or end-of-life systems until you can patch.
How O3 protects you
O3 detects and blocks CVE-2026-93314 exploitation at runtime: eBPF exploit-chain detection, plus L7 egress monitoring that catches the post-exploitation callback and severs the attacker's outbound channel.
Tailored to CVE-2026-93314. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.
Frequently Asked Questions
Is CVE-2026-93314 being exploited in your environment?
O3's eBPF runtime sensors and L7 egress monitoring detect and block the CVE-2026-93314 exploit chain at execution — protecting unpatched and end-of-life systems until the vendor patch is applied.