Vulnerability DatabaseCVE-2026-6244
Mend.io Vulnerability Database
The largest open source vulnerability database
What is a Vulnerability ID?
New vulnerability? Tell us about it!
CVE-2026-6244
Published:September 05, 2026
Updated:September 22, 2026
libpcap BPF interpreter for the 'div #k' and 'mod #k' ALU instructions does not check whether the immediate value is zero. In particular uncommon use cases a crafted filter program can cause a division by zero.
Affected Packages
https://github.com/the-tcpdump-group/libpcap.git (GITHUB):
Affected version(s) >=libpcap-0.5.1 <libpcap-1.10.7
Fix Suggestion:
Update to version libpcap-1.10.7
Related Resources (4)
https://github.com/the-tcpdump-group/libpcap/
https://nvd.nist.gov/vuln/detail/CVE-2026-6244
https://github.com/the-tcpdump-group/libpcap/commit/98bb921b141aa642faedbf2ac510541c76499a19
https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/6xxx/CVE-2026-6244.json
Do you need more information?
Contact Us
CVSS v4
Base Score:
6.8
Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
5.5
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Divide By Zero
CWE-369
EPSS
Base Score:
0.10