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A new vulnerability with increased severity was disclosed for Red Hat Enterprise Linux (CVE-2026-96280) https://vuldb.com/vuln/410957
00000104
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CVE-2026-96280
LOWCVSS 7.5 · HIGHSignal is active with 1 mentions in latest observed window
Immediate actions
- Track advisory updates for patch or workaround availability
Recommended action window: Monitor and triage in normal cycle
NVD description
The OCI delta stream parser read sizes as guint64 but passed them to GLib I/O and allocation functions expecting gsize (32 bits on 32-bit systems), causing undersized allocations while subsequent operations use the original 64-bit size, leading to heap buffer overflows. An attacker controlling an OCI registry can craft a delta stream that triggers this during flatpak install/update, potentially achieving code execution on 32-bit systems.
0.0/ 10 priority
Sources & remediation
Other references
Weakness type (CWE)
CWE-197
Priority
LOW
Exploitation
NONE
PoC
NONE
Patch
NONE
Momentum
NONE
Threat summary
- 1 mentions across 1 observed day
What's happening
- 1 total mentions across 1 day
Deep dive
Activity timeline1 mentions / 1d
Referenced assets1 URL
By indicator