TI-2026-80263 Aliases CVE-2026-116124 GHSA-gmh9-5j2c-j4q8

Heap-based buffer overflow in GNOME libgsf OLE2 parser

LOW 24CWE-119Published 2026-10-26 · Updated 2026-10-29

Key facts

Attack vector: Network
Privileges required: None
User interaction: Passive
Attack complexity: Low
Attack requirements: None
Impact type: —
Confidentiality · integrity · availability: Low · Low · Low
Fix status: No fix listed

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

Summary

GNOME libgsf up to 1.14.60 contains a heap-based buffer overflow in the function ole_info_read_metabat of the OLE2 parser in gsf/gsf-infile-msole.c. The flaw lets the code write past the end of a heap buffer (CWE-122). A remote attacker can trigger it, but user interaction is required.

Written with Claude Haiku 5.5 from the sources below · 2026-11-02

Description from the CNA

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00426 37th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
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
GNOME	libgsf	1.14.0; 1.14.1; 1.14.2; 1.14.3; 1.14.4; 1.14.5; 1.14.6; 1.14.7; 1.14.8; 1.14.9; 1.14.10; 1.14.11; 1.14.12; 1.14.13; 1.14.14; 1.14.15; 1.14.16; 1.14.17; 1.14.18; 1.14.19; 1.14.20; 1.14.21; 1.14.22; 1.14.23; 1.14.24; 1.14.25; 1.14.26; 1.14.27; 1.14.28; 1.14.29; 1.14.30; 1.14.31; 1.14.32; 1.14.33; 1.14.34; 1.14.35; 1.14.36; 1.14.37; 1.14.38; 1.14.39; 1.14.40; 1.14.41; 1.14.42; 1.14.43; 1.14.44; 1.14.45; 1.14.46; 1.14.47; 1.14.48; 1.14.49; 1.14.50; 1.14.51; 1.14.52; 1.14.53; 1.14.54; 1.14.55; 1.14.56; 1.14.57; 1.14.58; 1.14.59; 1.14.60	—	No fix listed	CNA

libgsf VendorGNOME Affected 1.14.0; 1.14.1; 1.14.2; 1.14.3; 1.14.4; 1.14.5; 1.14.6; 1.14.7; 1.14.8; 1.14.9; 1.14.10; 1.14.11; 1.14.12; 1.14.13; 1.14.14; 1.14.15; 1.14.16; 1.14.17; 1.14.18; 1.14.19; 1.14.20; 1.14.21; 1.14.22; 1.14.23; 1.14.24; 1.14.25; 1.14.26; 1.14.27; 1.14.28; 1.14.29; 1.14.30; 1.14.31; 1.14.32; 1.14.33; 1.14.34; 1.14.35; 1.14.36; 1.14.37; 1.14.38; 1.14.39; 1.14.40; 1.14.41; 1.14.42; 1.14.43; 1.14.44; 1.14.45; 1.14.46; 1.14.47; 1.14.48; 1.14.49; 1.14.50; 1.14.51; 1.14.52; 1.14.53; 1.14.54; 1.14.55; 1.14.56; 1.14.57; 1.14.58; 1.14.59; 1.14.60 Fixed in — No fix listed CNA

CPE names CNA · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:gnome:libgsf::::::::	—	—	GNOME

cpe:2.3:a:gnome:libgsf:*:*:*:*:*:*:*:* Versions — — ·GNOME

Remediation

The sources list no fixed version for GNOME libgsf. The fix is upstream patch a8e25560b74f84c3f86df6ca0ac59195fa5af68a, and it is recommended to apply it. Red Hat lists Red Hat Enterprise Linux 7, 8, 9 and 10 as affected with no fix available.

Written with Claude Haiku 5.5 from the sources below · 2026-11-02

Vendor assessments

Red Hat

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

Product	Status	Plan or fix
Red Hat Enterprise Linux 10	Affected	No fix yet
Red Hat Enterprise Linux 7	Affected	No fix yet
Red Hat Enterprise Linux 8	Affected	No fix yet
Red Hat Enterprise Linux 9	Affected	No fix yet

Not affected: 1 product

Red Hat Enterprise Linux 6

Timeline

2026-10-26 Threatist record created from CVE-2026-116124
2026-10-26 Affected versions changed · Red Hat
2026-10-26 CVSS score added · Red Hat
2026-10-27 Alias added: GHSA-gmh9-5j2c-j4q8
2026-10-29 CISA SSVC decision points changed
2026-11-02 Affected versions changed · Red Hat

References

Patch 1

https://gitlab.gnome.org/GNOME/libgsf/-/commit/a8e25560b74f84c3f86df6ca0ac59195fa5af68a

Other 1

https://www.gnome.org/

TI-2023-23091 Gnome-maps: gnome maps is vulnerable to a code injection attack (similar to xss) via its service.json CVSS 3.1CRITICAL 9.8
TI-2026-41775 Glib: off-by-one error in glib/gkeyfile.c via "g_key_file_get_locale_string_list" CVSS 3.1HIGH 8.6
TI-2026-41772 Glib: out-of-bounds read in glib/gdatetime.c:g_date_time_get_ymd via invalid gdatetime CVSS 3.1HIGH 7.5
TI-2026-03716 Libsoup: libsoup: denial of service via use-after-free in http/2 server CVSS 3.1HIGH 7.5
TI-2024-28393 Integer overflow in GNOME G Structured File Library CVSS 3.1HIGH 8.4
TI-2024-24253 Integer overflow in GNOME G Structured File Library CVSS 3.1HIGH 8.4

See all 402 →

Sources

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