CVE-2020-8597
ppp: eap.c in pppd in ppp 2.4.2 through 2.4.8 has an rhostname buffer overflowin the eap_request and eap_response functions.
CVE-2020-8597 is fixed in 4 products on 1 platform, first by ppp 2.4.7-2+2ubuntu1.2, released February 3, 2020. It is not reported as exploited. Patch Radar priority: High.
High
CVSS
9.8
Medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.1993
97th percentile
eap.c in pppd in ppp 2.4.2 through 2.4.8 has an rhostname buffer overflowin the eap_request and eap_response functions.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| liblwip0 · Ubuntu 20.04 LTS (focal) | 2.1.2+dfsg1-4ubuntu0.1~esm1 | liblwip0 2.1.2+dfsg1-4ubuntu0.1~esm1 | May 18, 2026 |
| network-scripts-ppp · RHEL 8 | 0:2.4.7-26.el8_1 | RHSA-2020:0633 | Feb 27, 2020 |
| ppp · RHEL 8 | 0:2.4.7-26.el8_1 | RHSA-2020:0633 | Feb 27, 2020 |
| ppp · Ubuntu 18.04.6 LTS (bionic) | 2.4.7-2+2ubuntu1.2 | ppp 2.4.7-2+2ubuntu1.2 | Feb 3, 2020 |
| ppp · Ubuntu 20.04 LTS (focal) | 2.4.7-2+4.1ubuntu5 | ppp 2.4.7-2+4.1ubuntu5 | Feb 3, 2020 |
| ppp · Ubuntu 24.10 (oracular) | 2.4.7-2+4.1ubuntu5 | ppp 2.4.7-2+4.1ubuntu5 | Jan 16, 2026 |
| ppp · Ubuntu 25.04 (plucky) | 2.4.7-2+4.1ubuntu5 | ppp 2.4.7-2+4.1ubuntu5 | Jan 16, 2026 |
| ppp · ol 8 | 0:2.4.7-26.el8_1 | ELSA-2020-0633 | Feb 27, 2020 |
| ppp-devel · RHEL 8 | 0:2.4.7-26.el8_1 | RHSA-2020:0633 | Feb 27, 2020 |
| ppp-devel · ol 8 | 0:2.4.7-26.el8_1 | ELSA-2020-0633 | Feb 27, 2020 |
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