Bug 2560528 (CVE-2026-116124)

Summary: CVE-2026-116124 libgsf: libgsf: Arbitrary code execution via heap-based buffer overflow in OLE2 parser
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: high Docs Contact:
Priority: high    
Version: unspecifiedCC: rhel-process-autobot, watson-tool-maintainers
Target Milestone: ---Keywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in libgsf. A heap-based buffer overflow vulnerability exists in the OLE2 document parser within the ole_info_read_metabat function. A remote attacker could exploit this flaw by enticing a user to open a specially crafted file. Successful exploitation could lead to arbitrary code execution or cause an application crash, resulting in a Denial of Service (DoS).
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
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Bug Depends On: 2565117    
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Description OSIDB Bzimport 2026-10-26 06:31:40 UTC
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.