CVE-2026-108822: Buffer Overflow in Kamailio
Description
CVE-2026-108822 is a buffer overflow vulnerability in Kamailio affecting versions 6.0.0 through 6.0.7 and 6.1.0 through 6.1.3. The flaw exists in the isup_get_calling_party function within the sipt module's ss7_parser.c file. This vulnerability can be triggered remotely by manipulating the argument length, leading to a buffer overflow condition. The issue is fixed in Kamailio versions 6.0.8 and 6.1.4.
CVSS v4.0
Score 6.9medium
Affected software
Kamailio
pkg:github/kamailio/kamailiocpe:2.3:a:kamailio:kamailio:*:*:*:*:*:*:*:*Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
A buffer overflow vulnerability was identified in Kamailio's sipt module, specifically in the isup_get_calling_party function of src/modules/sipt/ss7_parser.c. The vulnerability arises from improper handling of the argument length, allowing an attacker to cause a buffer overflow remotely. This affects Kamailio versions 6.0.0 through 6.0.7 and 6.1.0 through 6.1.3. The issue is resolved by upgrading to versions 6.0.8 or 6.1.4, with the patch identified by commit 3667bebf8d0bea07ed16218fd921d07db87aeb21.
Potential Impact
Successful exploitation of this vulnerability could lead to a buffer overflow, which may allow an attacker to cause a denial of service or potentially execute arbitrary code remotely. The CVSS 4.0 base score is 6.9 (medium severity), indicating a significant but not critical risk. No known exploits are reported in the wild at this time.
Mitigation Recommendations
Upgrade Kamailio to version 6.0.8 or 6.1.4 to apply the official fix for this buffer overflow vulnerability. No additional mitigation steps are indicated by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-10-11T10:48:14.654Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6accb0952cdf04f65680cc91
Added to database: 10/12/2026, 10:04:05 UTC
Last enriched: 10/12/2026, 10:18:17 UTC
Last updated: 10/12/2026, 18:57:56 UTC
Views: 20
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