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Fencer Vulns
low 3.3

CVE-2026-102621 json

Freedesktop Poppler SplashClip.cc clipToPath integer overflow

published 2026-09-29 40 d ago modified 2026-09-30 39 d ago also EUVD-2026-89437

cvss
3.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.1%
EPSS 0.1% chance of exploitation in 30 days, percentile 1%
public exploits
0
none known

Summary

A vulnerability was identified in Freedesktop Poppler up to 26.08.0. Affected is the function SplashClip::clipToPath of the file splash/SplashClip.cc. Such manipulation leads to integer overflow. The attack can only be performed from a local environment. The exploit is publicly available and might be used. Upgrading to version 26.09.0 is able to address this issue. The name of the patch is 323c91036d99926a8b90dc14329f7b40aece22f8. It is recommended to upgrade the affected component.

Patch / fix

  • Freedesktop Poppler 26.09.0
  • poppler Debian 14 26.07.0-3

debian advisories DEBIAN-CVE-2026-102621

  • 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-2026-102621

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 26.08.0-1.2.hum1
  • poppler-cpp hummingbird 1 26.08.0-1.2.hum1
  • poppler-qt6 hummingbird 1 26.08.0-1.2.hum1
  • poppler-glib hummingbird 1 26.08.0-1.2.hum1
  • poppler-utils hummingbird 1 26.08.0-1.2.hum1

red hat advisories RHSA-2026:74469

  • poppler openSUSE Tumbleweed 26.09.0-3.1

opensuse advisories openSUSE-SU-2026:11968-1

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-2026-102621 updated cvss 3.3

poppler: poppler: Denial of Service via integer overflow in SplashClip

  • Red Hat Enterprise Linux 6 poppler, poppler-qt, poppler-qt4, poppler-glib, poppler-utils, poppler 24.02.0-10.el10
    affected: workaround, no fix planned “Do not open untrusted PDF files with applications that use the poppler library for rendering.”
  • Red Hat Enterprise Linux 7 poppler, poppler-qt, poppler-cpp, poppler-glib, poppler-demos, poppler-utils, +5 more Red Hat Enterprise Linux 8 poppler, poppler-cpp, poppler-qt5, poppler-glib, poppler-utils, poppler 24.02.0-10.el10 Red Hat Enterprise Linux 9 poppler, poppler-cpp, poppler-qt5, poppler-glib, poppler-utils, poppler 24.02.0-10.el10 Red Hat Enterprise Linux 10 poppler 24.02.0-10.el10
    affected: workaround, no fix available “Do not open untrusted PDF files with applications that use the poppler library for rendering.”
  • Red Hat Hardened Images poppler 26.08.0-1.2.hum1, poppler-cpp 26.08.0-1.2.hum1, poppler-qt6 26.08.0-1.2.hum1, poppler-glib 26.08.0-1.2.hum1, poppler-utils 26.08.0-1.2.hum1
    fixed: vendor fix “Do not open untrusted PDF files with applications that use the poppler library for rendering.” RHSA-2026:74469

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
none
Automatable
no
Technical impact
partial
Assessed
39 d ago

Exploit prediction

0.11% chance of exploitation in the next 30 days, higher than 1% 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-SplashClip-clipToPath-SplashClip.cc-214.md referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 4.0 4.8 CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
CNA 3.1 3.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
CNA 3.0 3.3 CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
CNA 2.0 1.7 AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:OF/RC:C
CNA 4.0 1.9 CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/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 3.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CNA 2.0 1.7 AV:L/AC:L/Au:S/C:N/I:N/A:P

Affected products

  • Freedesktop Poppler

Classification

Weakness

References

Sources

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