TI-2026-62922 Aliases CVE-2026-93311 GHSA-9p2x-92wc-v6h2

Freedesktop Poppler SampledFunction Function.cc integer overflow

MEDIUM 63CWE-189Published 2026-09-18 · Updated 2026-09-22

Key facts

Attack vector: Network
Privileges required: None
User interaction: Passive
Attack complexity: Low
Attack requirements: None
Impact type: —
Confidentiality · integrity · availability: None · None · Low
Fix status: Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA and Red Hat.

Summary

A vulnerability was detected in Freedesktop Poppler 26.07.0. This issue affects the function SampledFunction::SampledFunction of the file poppler/Function.cc of the component SampledFunction. The manipulation of the argument BitsPerSample results in integer overflow. The attack may be performed from remote. The exploit is now public and may be used. The project was informed of the problem early through a bug report but has not responded yet.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00562 46th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by the CNA

Fix Fixed Red Hat: 1 advisory

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: Yes
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Freedesktop	Poppler	26.07.0	—	No fix listed	CNA

Poppler VendorFreedesktop Affected 26.07.0 Fixed in — No fix listed CNA

CPE names CNA · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:freedesktop:poppler::::::::	—	—	Freedesktop

cpe:2.3:a:freedesktop:poppler:*:*:*:*:*:*:*:* Versions — — ·Freedesktop

Remediation

Red Hat 1 advisory

RHSA-2026:82452 Released 2026-10-13 · Red Hat rating Moderate
Red Hat Hardened Images RPMs Security Update
- Red Hat Hardened Images poppler-26.08.0-1.5.hum1@aarch64, poppler-26.08.0-1.5.hum1@s390x, poppler-26.08.0-1.5.hum1@src +28

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

Product	Status	Plan or fix
Red Hat Hardened Images	Fixed	RHSA-2026:82452

Not affected: 5 products

Red Hat Enterprise Linux 10
Red Hat Enterprise Linux 6
Red Hat Enterprise Linux 7
Red Hat Enterprise Linux 8
Red Hat Enterprise Linux 9

Timeline

2026-10-02 Threatist record created from CVE-2026-93311
2026-10-03 Alias added: GHSA-9p2x-92wc-v6h2
2026-10-14 Fix available: RHSA-2026:82452 · Red Hat
2026-10-15 Fix available: Red Hat Hardened Images · Red Hat

References

Exploit 1

https://github.com/r1ck9-2q/cve_summit/blob/main/Shift-exponent-undefined-behavior-in-SampledFunction-Function.cc-376.md

Other 1

https://gitlab.freedesktop.org/poppler/poppler/-/work_items/1758

TI-2021-11232 Integer overflow in Apple macOS KEVCVSS 3.1HIGH 7.8
TI-2026-37034 In libinput before 1.30.4 and 1.31.x before 1.31.3, libinput-device-group unescaped phys… CVSS 3.1CRITICAL 9.8
TI-2022-03721 When xdg-mail is configured to use thunderbird for mailto URLs, improper parsing of the… CVSS 3.1HIGH 7.4
TI-2025-32126 An issue in the pdfseparate utility of freedesktop poppler v25.04.0 allows attackers to… CVSS 3.1MEDIUM 6.5
TI-2022-20347 An issue was discovered in D-Bus before 1.12.24, 1.13.x and 1.14.x before 1.14.4, and… CVSS 3.1MEDIUM 6.5
TI-2022-17985 An issue was discovered in Poppler 22.08.0. CVSS 3.1MEDIUM 6.5

See all 158 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences