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Fencer Vulns
medium 6.3

CVE-2026-93314 json

Freedesktop Poppler FoFiTrueType.cc mapCodeToGID integer overflow

published 2026-09-18 52 d ago modified 2026-09-22 48 d ago also EUVD-2026-82624

cvss
6.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 15%
public exploits
0
none known

Summary

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.

Patch / fix

  • poppler Debian 14 26.07.0-3

debian advisories DEBIAN-CVE-2026-93314

  • poppler Ubuntu 22.04 LTS 22.02.0-2ubuntu0.14
  • poppler Ubuntu 24.04 LTS 24.02.0-1ubuntu9.10
  • poppler Ubuntu 26.04 LTS 26.01.0-2ubuntu0.2

ubuntu advisories UBUNTU-CVE-2026-93314

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • poppler hummingbird 1 26.08.0-1.hum1
  • poppler-cpp hummingbird 1 26.08.0-1.hum1
  • poppler-qt6 hummingbird 1 26.08.0-1.hum1
  • poppler-glib hummingbird 1 26.08.0-1.hum1
  • poppler-utils hummingbird 1 26.08.0-1.hum1

red hat advisories RHSA-2026:58482

  • poppler openSUSE Tumbleweed 26.09.0-2.1

opensuse advisories openSUSE-SU-2026:11885-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2026-93314 updated cvss 6.3

poppler: Poppler: Remote integer overflow vulnerability

  • Red Hat Hardened Images poppler 26.08.0-1.hum1, poppler-cpp 26.08.0-1.hum1, poppler-qt6 26.08.0-1.hum1, poppler-glib 26.08.0-1.hum1, poppler-utils 26.08.0-1.hum1
    fixed: vendor fix RHSA-2026:58482
  • Red Hat Enterprise Linux 6 poppler, poppler-qt, poppler-qt4, poppler-glib, poppler-utils Red Hat Enterprise Linux 7 poppler, poppler-qt, poppler-cpp, poppler-glib, poppler-demos, poppler-utils, +4 more Red Hat Enterprise Linux 8 poppler, poppler-cpp, poppler-qt5, poppler-glib, poppler-utils Red Hat Enterprise Linux 9 poppler, poppler-cpp, poppler-qt5, poppler-glib, poppler-utils Red Hat Enterprise Linux 10 poppler
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
48 d ago

Exploit prediction

0.24% chance of exploitation in the next 30 days, higher than 15% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/r1ck9-2q/cve_summit/blob/main/Signed-integer-overflow-in-FoFiTrueType-mapCodeToGID-FoFiTrueType.cc-608.md referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 4.0 5.3 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
CNA 3.1 6.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
CNA 3.0 6.3 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
CNA 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:OF/RC:C
CNA 4.0 2.1 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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CNA 3.1 6.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
CNA 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

  • Freedesktop Poppler

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.