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A Buffer Overflow issue was discovered in Kamailio before 4.4.7, 5.0.x before 5.0.6, and 5.1.x before 5.1.2. A specially crafted REGISTER message with a malformed branch or From tag triggers an off-by-one heap-based buffer overflow in the tmx_check_pretran function in modules/tmx/tmx_pretran.c.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade kamailio | Apr 3, 2018 | Mar 20, 2018 |
| Debian | — | Upgrade kamailio | Mar 25, 2018 | Mar 20, 2018 |
| Freebsd | — | Upgrade kamailio | May 10, 2018 | May 6, 2018 |
| Ubuntu | — | Upgrade kamailio | Jan 17, 2020 | Mar 20, 2018 |
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