CVE-2016-2385
Heap-based buffer overflow in the encode_msg function in encode_msg.c in the SEAS module in Kamailio (formerly OpenSER and SER) before 4.3.5 allows remote attackers to cause a denial of service (memory corruption and process crash) or possibly execute…
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 29.2%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.
Description
Heap-based buffer overflow in the encode_msg function in encode_msg.c in the SEAS module in Kamailio (formerly OpenSER and SER) before 4.3.5 allows remote attackers to cause a denial of service (memory corruption and process crash) or possibly execute arbitrary code via a large SIP packet.
- CVSS 3.0
- 9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 29.22% probability · 98th percentile
- Public exploits
- 1 in Exploit-DB · first 30 March 2016
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- debian/debian linux · kamailio/kamailio
- Source
- cve@mitre.org
EPSS moved from 27.0% on 21 September 2026 to 29.2% on 4 November 2026, peaking at 30.5% on 22 September 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://packetstormsecurity.com/files/136477/Kamailio-4.3.4-Heap-Overflow.htmlExploit
- http://www.debian.org/security/2016/dsa-3535
- http://www.debian.org/security/2016/dsa-3537
- http://www.kamailio.org/pub/kamailio/4.3.5/ChangeLog
- http://www.securityfocus.com/archive/1/537926/100/0/threaded
- https://census-labs.com/news/2016/03/30/kamailio-seas-heap-overflow/Exploit
- https://github.com/kamailio/kamailio/commit/f50c9c853e7809810099c970780c30b0765b0643Exploit
- https://www.exploit-db.com/exploits/39638/Exploit
- http://packetstormsecurity.com/files/136477/Kamailio-4.3.4-Heap-Overflow.htmlExploit
- http://www.debian.org/security/2016/dsa-3535
- http://www.debian.org/security/2016/dsa-3537
- http://www.kamailio.org/pub/kamailio/4.3.5/ChangeLog
- http://www.securityfocus.com/archive/1/537926/100/0/threaded
- https://census-labs.com/news/2016/03/30/kamailio-seas-heap-overflow/Exploit
- https://github.com/kamailio/kamailio/commit/f50c9c853e7809810099c970780c30b0765b0643Exploit
- https://www.exploit-db.com/exploits/39638/Exploit
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.