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CVE-2026-15169 is an out-of-bounds write in Wireshark's UMTS FP E-DCH Type-2 dissector, in dissect_e_dch_t2_or_common_channel_info(). While processing packet-controlled MAC-is SDU descriptors, the dissector increments a per-PDU count without enforcing the inner array limit of 16 before storing LCH-ID and length values. An attacker can maintain the descriptor continuation flag across sufficient descriptors to write beyond the static subframes storage into adjacent global memory. The affected releases are Wireshark 4.6.0 through 4.6.6 and 4.4.0 through 4.4.16.
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No public exploit code observed for this vulnerability.
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6 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A Wireshark vulnerability addressed by Debian DSA-6471; the advisory states the set of flaws could cause denial of service or arbitrary-code execution.
Referenced as part of the Wireshark 4.6.8 advisory/plugin CVE list, but not described individually in the content.
A denial-of-service crash vulnerability in Wireshark's UMTS FP protocol dissector that can be triggered by malformed network packets or malformed packet trace files.
An out-of-bounds write / global-buffer-overflow in Wireshark's UMTS FP E-DCH Type-2 dissector function `dissect_e_dch_t2_or_common_channel_info()`. A crafted capture file can cause writes past the static `subframes[16]` array, leading to memory corruption and at minimum a crash when opened in Wireshark, TShark, or sharkd.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
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Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.