Comparison Overview
Sigma Specialized Inspection

Sigma Specialized Inspection
N/A
Last Update: 03/01/2026
Since 1994, Sigma Specialized Inspection (SSI) has been a leading provider of high-quality inspection solutions across the Middle East. We offer a comprehensive suite of services, including Quality Control, Non-Destructive Testing, and Heat Treatment Services. Original...

Shell
York Road, London, SE1 7NA, GB
Last Update: 02/07/2026
Shell is a global group of energy and petrochemical companies, employing 96,000 people across 70+ countries. We serve around 1 million commercial and industrial customers, and around 33 million customers daily at our Shell-branded retail service stations. Our purpose i...
Compliance Ranges Comparison

Sigma Specialized Inspection







Shell






Benchmark & Cyber Underwriting Signals
Incidents vs Oil and Gas Industry Avg (This Year)
No incidents recorded for Sigma Specialized Inspection in 2026.
Incidents vs Oil and Gas Industry Avg (This Year)
Shell has 4.76% fewer incidents than the average of all companies with at least one recorded incident.
Incident History - Sigma Specialized Inspection (X = Date, Y = Severity)
Sigma Specialized Inspection cyber incidents detection timeline including parent company and subsidiaries.
Incident History - Shell (X = Date, Y = Severity)
Shell cyber incidents detection timeline including parent company and subsidiaries.
Notable Incidents

Sigma Specialized Inspection

Shell
FAQ
Latest Global CVEs
Deserialization of untrusted data in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.
The Bluetooth BAP Broadcast Assistant GATT client in subsys/bluetooth/audio/bap_broadcast_assistant.c reassembled remote Broadcast Receive State data into a single file-static net_buf_simple (att_buf, BT_ATT_MAX_ATTRIBUTE_LEN = 512 bytes) shared by all connection instances, while the BUSY flag, long-read handle, and reset/offset state were per-connection. When the device acts as a Broadcast Assistant connected to multiple Scan Delegator peripherals, notification and long-read callbacks from different connections interleave on the shared buffer: the append in notify_handler (net_buf_simple_add_mem at the not-busy branch) performs no tailroom check, so receive-state notifications from two or more delegators accumulate on the same 512-byte buffer and, with a sufficiently large configured ATT MTU (BT_L2CAP_TX_MTU up to 2000) and two-to-three concurrent connections, write past the buffer into adjacent .bss (net_buf_simple_add only asserts in debug builds). Even below the overflow threshold, one connection's net_buf_simple_reset zeroes the shared length while another connection's reassembly and GATT read offset are in flight, mixing one peer's data into another's parse. A malicious or compromised Scan Delegator (or two colluding peers) over BLE can trigger this, causing out-of-bounds writes (memory corruption / denial of service) and cross-connection data corruption. The fix moves the buffer into the per-connection instance struct so each connection reassembles into its own buffer. Affects Zephyr releases shipping the Broadcast Assistant with the shared buffer, including v4.4.0 and earlier.
ImageMagick before 7.1.2-26 contains a memory leak vulnerability in the VIFF encoder when memory allocation fails. Attackers can trigger allocation failures by processing specially crafted VIFF images to exhaust available memory and cause denial of service.
ImageMagick before 7.1.2-26 contains a use-after-free vulnerability in the FormatMagickCaption method when memory allocation fails. Attackers can trigger memory allocation failures to cause a dangling pointer to reference freed memory, potentially enabling denial of service or code execution.
ImageMagick before 7.1.2-26 contains a policy bypass vulnerability in the APNG encoder and external delegates due to missing validation checks. Attackers can write files to disallowed paths by bypassing configured policy restrictions through the APNG encoding process.