# DEBIAN-CVE-2020-27507: kamailio security update

DEBIAN-CVE-2020-27507, released March 15, 2023, fixes 1 CVE in kamailio (version 5.4.2-1). None of them is reported as exploited. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/fix/linux/debian-cve-2020-27507
- Platform: Linux
- Released: Mar 15, 2023
- Priority: Urgent (Closes CVE-2020-27507, rated Critical)
- CVEs: 1, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://security-tracker.debian.org/tracker/CVE-2020-27507

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [kamailio](https://patchblox.com/security/data/product/linux/kamailio.md) | Debian 12.15 (bookworm) | 5.4.2-1 |
| [kamailio](https://patchblox.com/security/data/product/linux/kamailio.md) | Debian 13.5 (trixie) | 5.4.2-1 |
| [kamailio](https://patchblox.com/security/data/product/linux/kamailio.md) | Debian 14 | 5.4.2-1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2020-27507](https://patchblox.com/security/data/cve/CVE-2020-27507.md) | Urgent | kamailio: The Kamailio SIP before 5.5.0 server mishandles INVITE requests with duplicated fields and overlength tag, leading to... | 9.8 | 0.0118 |  |

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