Vulnerability DatabaseCVE-2026-75883
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CVE-2026-75883
Published:September 18, 2026
Updated:November 04, 2026
A flaw was found in pppd. A remote attacker could exploit a buffer overflow vulnerability in the PEAP response handling. By sending a specially crafted PEAP Request packet, an attacker could cause the pppd process to corrupt global static data, leading to incorrect behavior or a system crash.
Affected Packages
https://github.com/ppp-project/ppp.git (GITHUB):
Affected version(s) >=v2.5.0 <v2.5.4
Fix Suggestion:
Update to version v2.5.4
Related Resources (6)
https://nvd.nist.gov/vuln/detail/CVE-2026-75883
https://github.com/interchange/interchange/
https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/75xxx/CVE-2026-75883.json
https://github.com/ppp-project/ppp/security/advisories/GHSA-rwr9-4vx8-vc35
https://access.redhat.com/security/cve/CVE-2026-75883
https://bugzilla.redhat.com/show_bug.cgi?id=2538346
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CVSS v4
Base Score:
7.6
Attack Vector
ADJACENT
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.8
Attack Vector
ADJACENT
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
NONE
Weakness Type (CWE)
Heap-based Buffer Overflow
CWE-122
Buffer Copy without Checking Size of Input
CWE-120
EPSS
Base Score:
0.18