Medium severity5.7NVD Advisory· Published Apr 20, 2021· Updated Jun 17, 2026
CVE-2021-30496
CVE-2021-30496
Description
The Telegram app 7.6.2 for iOS allows remote authenticated users to cause a denial of service (application crash) if the victim pastes an attacker-supplied message (e.g., in the Persian language) into a channel or group. The crash occurs in MtProtoKitFramework. NOTE: the vendor's perspective is that "this behavior can't be considered a vulnerability."
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Affected products
3- cpe:2.3:a:telegram:telegram:7.6.2:*:*:*:*:iphone_os:*:*
- Telegram/Telegram appdescription
- Range: 7.6.2
Patches
Vulnerability mechanics
References
2- gist.github.com/raminfp/bf64c2974ee6949787329749148a4b31nvdExploitThird Party Advisory
- t.me/joinchat/bJ9cnUosVh03ZTI0nvdVendor Advisory
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