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CVE-2026-116124

MEDIUM 5.3

Published 2026-10-26 · Last modified 2026-10-26

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.

NO EXPLOITATION SIGNALS

No known exploitation, public exploit, or elevated probability at this time. Track for changes.

Exploitation likelihood

0.4%chance of exploitation in 30 days · 37th percentile

○ In CISA KEV ○ Catalogued PoC

Impact if exploited

5.3CVSS 4.0 · MEDIUM

  • ConfidentialityLow
  • IntegrityLow
  • AvailabilityLow

What an attacker needs

  • ✓Access: Reachable over the network — no local access needed
  • ✓Privileges: No account or privileges required
  • ⚠User interaction: Succeeds with passive user activity
  • ✓Complexity: No special conditions — reliably repeatable
  • ✓Requirements: No special attack requirements

✓ lowers the bar for an attacker · ⚠ raises it

Proof of concept

No public PoC is currently catalogued.

Search for new PoCs

Search GitHub now — results may be empty or unverified.

Tracked sources are checked daily for recent CVEs, including PoCs published after the original disclosure. A later release appears after a tracked source lists it and a refresh succeeds.

Data snapshot:

Affected

Vendors Gnome

Products Libgsf

Weakness (CWE)

  • CWE-122: Heap-based Buffer Overflow
  • CWE-119: Memory Corruption

CVSS vector

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:X

References and research data (JSON)

Vendor product assessments

  • libgsf-devel as a component of Red Hat Enterprise Linux 10 · known affected

    Vendor assessment for this product only.

    pkg:rpm/redhat/libgsf-devel

    • none available: Affected
    Red Hat · CVE-2026-116124 · Updated 2026-10-26T07:04:10+00:00
  • libgsf.src as a component of Red Hat Enterprise Linux 10 · known affected

    Vendor assessment for this product only.

    pkg:rpm/redhat/[email protected]?arch=src

    • none available: Affected
    Red Hat · CVE-2026-116124 · Updated 2026-10-26T07:04:10+00:00
  • libgsf-devel as a component of Red Hat Enterprise Linux 6 · known affected

    Vendor assessment for this product only.

    pkg:rpm/redhat/libgsf-devel

    • none available: Affected
    Red Hat · CVE-2026-116124 · Updated 2026-10-26T07:04:10+00:00
  • libgsf-gnome as a component of Red Hat Enterprise Linux 6 · known affected

    Vendor assessment for this product only.

    pkg:rpm/redhat/libgsf-gnome

    • none available: Affected
    Red Hat · CVE-2026-116124 · Updated 2026-10-26T07:04:10+00:00
  • libgsf-gnome-devel as a component of Red Hat Enterprise Linux 6 · known affected

    Vendor assessment for this product only.

    pkg:rpm/redhat/libgsf-gnome-devel

    • none available: Affected
    Red Hat · CVE-2026-116124 · Updated 2026-10-26T07:04:10+00:00
  • libgsf-python as a component of Red Hat Enterprise Linux 6 · known affected

    Vendor assessment for this product only.

    pkg:rpm/redhat/libgsf-python

    • none available: Affected
    Red Hat · CVE-2026-116124 · Updated 2026-10-26T07:04:10+00:00
  • libgsf.src as a component of Red Hat Enterprise Linux 6 · known affected

    Vendor assessment for this product only.

    pkg:rpm/redhat/[email protected]?arch=src

    • none available: Affected
    Red Hat · CVE-2026-116124 · Updated 2026-10-26T07:04:10+00:00
  • libgsf as a component of Red Hat Enterprise Linux 7 · known affected

    Vendor assessment for this product only.

    pkg:rpm/redhat/libgsf

    • none available: Affected
    Red Hat · CVE-2026-116124 · Updated 2026-10-26T07:04:10+00:00
  • libgsf-devel as a component of Red Hat Enterprise Linux 7 · known affected

    Vendor assessment for this product only.

    pkg:rpm/redhat/libgsf-devel

    • none available: Affected
    Red Hat · CVE-2026-116124 · Updated 2026-10-26T07:04:10+00:00
  • libgsf.src as a component of Red Hat Enterprise Linux 7 · known affected

    Vendor assessment for this product only.

    pkg:rpm/redhat/[email protected]?arch=src

    • none available: Affected
    Red Hat · CVE-2026-116124 · Updated 2026-10-26T07:04:10+00:00
  • libgsf-devel as a component of Red Hat Enterprise Linux 8 · known affected

    Vendor assessment for this product only.

    pkg:rpm/redhat/libgsf-devel

    • none available: Affected
    Red Hat · CVE-2026-116124 · Updated 2026-10-26T07:04:10+00:00
  • libgsf.src as a component of Red Hat Enterprise Linux 8 · known affected

    Vendor assessment for this product only.

    pkg:rpm/redhat/[email protected]?arch=src

    • none available: Affected
    Red Hat · CVE-2026-116124 · Updated 2026-10-26T07:04:10+00:00
  • libgsf-devel as a component of Red Hat Enterprise Linux 9 · known affected

    Vendor assessment for this product only.

    pkg:rpm/redhat/libgsf-devel

    • none available: Affected
    Red Hat · CVE-2026-116124 · Updated 2026-10-26T07:04:10+00:00
  • libgsf.src as a component of Red Hat Enterprise Linux 9 · known affected

    Vendor assessment for this product only.

    pkg:rpm/redhat/[email protected]?arch=src

    • none available: Affected
    Red Hat · CVE-2026-116124 · Updated 2026-10-26T07:04:10+00:00

All CVSS metrics

  • MEDIUM 5.3 v4.0 · CNA Primary
    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:X
  • MEDIUM 6.3 v3.1 · CNA Primary
    CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C
  • MEDIUM 6.3 v3.0 · CNA Primary
    CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C
  • HIGH 7.5 v2.0 · CNA Primary
    AV:N/AC:L/Au:N/C:P/I:P/A:P/E:ND/RL:OF/RC:C

References

Patches & mitigations

Advisories

Technical & other

Sources: NVD · CVE.org · EPSS