CVE-2026-75883
Pppd: pppd: buffer overflow in peap response handling leads to data corruption or denial of service.
Statance checks for CVE-2026-75883. Connected servers are checked automatically against the fixed versions their distribution or package ecosystem has published for it, including app dependency lockfiles. Check my servers ↗
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What happened?
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 software and versions
| Software | Version information | Fixed version |
|---|---|---|
| pppRed Hat | Default status: affected | See vendor advisory |
| pppRed Hat | Default status: affected | See vendor advisory |
| pppRed Hat | Default status: affected | See vendor advisory |
| pppRed Hat | Default status: affected | See vendor advisory |
| pppRed Hat | Default status: affected | See vendor advisory |
Version information comes from the source record and can include unaffected products and exceptions. Distribution packages may contain backported fixes: an older upstream version alone does not prove a server is affected.
Is it being exploited?
This CVE was not listed in the CISA catalogue at our last retrieval. This does not establish that exploitation is absent.
How to respond
- Confirm the product, installed package version, and any configuration requirements in the vendor advisory.
- Follow the vendor’s remediation or workaround guidance in the references below. Structured fixed-version data is unavailable here; the publisher’s description may include a fix or workaround.
- Restart affected services if required, then verify the running version. Known exploitation may warrant investigation as well as patching.