update to 12.6.2 (6655)

F-TGAND-SECRETCHAT-VECTOR-001

Public snapshot: 26 Sep 2026. Status, releases and attribution belong to each source below; none is inferred from another record.

Recorded evidence

—score not recorded

DrKLO/TelegramReported fixDrKLO/Telegram

update to 12.6.2 (6655)

fixed publicly

details

Finding IDs: F-TGAND-SECRETCHAT-VECTOR-001
Status: fixed publicly
Reported via: Telegram security contact
Note: public android commit fb98f157afb3 on 2026-04-05 (12.6.2) adds validateSize(...) checks in the affected Vector.java path and appears to close the reported secret-chat vector-size issue.

F-TGAND-SECRETCHAT-VECTOR-001: Input / state handling. Vector-size validation is added at the secret-chat decoding boundary. Reviewed 24 Sep 2026. Mechanism assessed by 1seal.

Mechanism source for F-TGAND-SECRETCHAT-VECTOR-001

Security area (1seal assessment): Availability. Rejecting invalid vector sizes prevents malformed secret-chat input from reaching excessive allocation or parser failure; native memory corruption is not established here. Reviewed 24 Sep 2026.

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How this page groups evidence

This identifier groups recorded evidence; it is not an additional CVE, independent-vulnerability count or guarantee of vendor confirmation. Fixed code, released versions, attribution and independent discovery are distinct claims. Absent metadata means not recorded, not disproved. Counting rules.