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Heap Overflow in OpenBSD's slaacd via Router Advertisement

In this blog post we analyze a heap overflow vulnerability we discovered in the IPv6 stack of OpenBSD, more specifically in its slaacd daemon. This issue, whose root cause can be found in the mishandling of Router Advertisement messages containing a DNSSL option with a malformed domain label, was patched by OpenBSD on March 21, 2022. A proof-of-concept to reproduce the vulnerability is provided.

https://blog.quarkslab.com/heap-overflow-in-openbsds-slaacd-via-router-advertisement.html

#security #network #slaacd

OpenBSD
Heap Overflow in OpenBSD's slaacd via Router Advertisement

In this blog post we analyze a heap overflow vulnerability we discovered in the IPv6 stack of OpenBSD, more specifically in its slaacd daemon. This issue, whose root cause can be found in the mishandling of Router Advertisement messages containing a DNSSL option with a malformed domain label, was patched by OpenBSD on March 21, 2022. A proof-of-concept to reproduce the vulnerability is provided.

https://blog.quarkslab.com/heap-overflow-in-openbsds-slaacd-via-router-advertisement.html

#security #network #slaacd
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Telegram new update brings infinite reactions, emoji statuses

Encrypted messaging app Telegram has announced that it is rolling out a new update that gives users more ways to use new emojis to express how they are feeling -- with infinite reactions and emoji statuses. The company said that premium users can pick reactions from an infinite selection of custom emojis. To make choosing from thousands of emojis easier, they can now attach up to three reactions per message.

Heap Overflow in OpenBSD's slaacd via Router Advertisement

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