What is CVE-2026-116124?

CVE-2026-116124 is a medium-severity vulnerability in GNOME Libgsf, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 6.3/10. Published 2026-10-26.

How severe is CVE-2026-116124?

Medium severity. CVSS v3 base score is 6.3 out of 10.

Buffer overflow in GNOME Libgsf

CVE-2026-116124

A security vulnerability has been detected in GNOME libgsf up to 1.14.60. The impacted element is the function ole_info_read_metabat of the file gsf/gsf-infile-msole.c of the component OLE2 Parser. The manipulation leads to heap-based buffer overflow. The attack can be initiated remotely. The identifier of the patch is a8e25560b74f84c3f86df6ca0ac59195fa5af68a. It is recommended to apply a patch to fix this issue.

Vulnerability class: Buffer Overflow

Published 2026-10-26 · last modified 2026-10-26.

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

GNOME Libgsf — versions 1.14.0, 1.14.1, 1.14.10

Weakness classification (CWE)

References

vuldb.com/vuln/426192 (technical-description, vdb-entry)
vuldb.com/vuln/426192/cti (signature, permissions-required)
vuldb.com/cve/CVE-2026-116124 (third-party-advisory)
vuldb.com/submit/1004965 (third-party-advisory)
gitlab.gnome.org/GNOME/libgsf/-/commit/a8e25560b74f84c3f86df6ca0ac59195fa5af68a (patch, broken-link)
www.gnome.org/ (product)

Frequently asked questions

What is CVE-2026-116124?: CVE-2026-116124 is a medium-severity vulnerability in GNOME Libgsf, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 6.3/10. Published 2026-10-26.
How severe is CVE-2026-116124?: Medium severity. CVSS v3 base score is 6.3 out of 10.