CVE catalog

CVE-2020-8597

lwIP vulnerabilities

Severity: Critical · CVSS 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published: Feb 3, 2020, 11:15:00 PM UTC
Source: [NVD] · [CVE record]
EPSS: 19.93% · Oct 25, 2026

eap.c in pppd in ppp 2.4.2 through 2.4.8 has an rhostname buffer overflow in the eap_request and eap_response functions.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	ppp	sid	`2.5.2-1+2`	fixed
Debian	ppp	forky	`2.5.2-1+2`	fixed
Debian	ppp	trixie	`2.5.2-1+1`	fixed
Debian	ppp	bookworm	`2.4.9-1+1.1`	fixed
Debian	lwip	sid	`2.2.1+dfsg1-9`	fixed
Debian	lwip	forky	`2.2.1+dfsg1-8`	fixed
Debian	lwip	trixie	`2.2.1+dfsg1-1+deb13u1`	fixed
Debian	lwip	bookworm	`2.1.3+dfsg1-2`	fixed
Ubuntu	lwip	noble	`2.2.0+dfsg1-6.1ubuntu0.1~esm1`	fixed
Ubuntu	liblwip-dev	noble	`2.2.0+dfsg1-6.1ubuntu0.1~esm1`	fixed
Ubuntu	liblwip-doc	noble	`2.2.0+dfsg1-6.1ubuntu0.1~esm1`	fixed
Ubuntu	liblwip0t64	noble	`2.2.0+dfsg1-6.1ubuntu0.1~esm1`	fixed
Ubuntu	ppp	noble	`2.4.8-1+1`	fixed
Alpine	ppp	3.10	`2.4.7-r7`	fixed
Alpine	ppp	3.11	`2.4.7-r7`	fixed
Alpine	ppp	3.12	`2.4.8-r1`	fixed
Alpine	ppp	3.13	`2.4.8-r1`	fixed
Alpine	ppp	3.14	`2.4.8-r1`	fixed
Alpine	ppp	3.15	`2.4.8-r1`	fixed
Alpine	ppp	3.16	`2.4.8-r1`	fixed
Alpine	ppp	3.17	`2.4.8-r1`	fixed
Alpine	ppp	3.18	`2.4.8-r1`	fixed
Alpine	ppp	3.19	`2.4.8-r1`	fixed
Alpine	ppp	3.20	`2.4.8-r1`	fixed
Alpine	ppp	3.21	`2.4.8-r1`	fixed
Alpine	ppp	3.22	`2.4.8-r1`	fixed
Alpine	ppp	3.23	`2.4.8-r1`	fixed
Alpine	ppp	3.24	`2.4.8-r1`	fixed
Alpine	ppp	3.8	`2.4.7-r7`	fixed
Alpine	ppp	3.9	`2.4.7-r7`	fixed
Ubuntu	ppp	pro	`2.4.5-5.1ubuntu2`	vulnerable
Ubuntu	ppp	pro	`2.4.5-5.1ubuntu2.1`	vulnerable
Ubuntu	ppp	pro	`2.4.5-5.1ubuntu2.2`	vulnerable
Ubuntu	ppp	pro	`2.4.5-5.1ubuntu2.3`	vulnerable
Ubuntu	ppp	pro	`2.4.5-5.1ubuntu2.3+esm1`	fixed
Ubuntu	ppp	16.04	`2.4.6-3.1ubuntu1`	vulnerable
Ubuntu	ppp	16.04	`2.4.7-1+1ubuntu1`	vulnerable
Ubuntu	ppp	16.04	`2.4.7-1+2ubuntu1`	vulnerable
Ubuntu	ppp	16.04	`2.4.7-1+2ubuntu1.16.04.1`	vulnerable
Ubuntu	ppp	16.04	`2.4.7-1+2ubuntu1.16.04.2`	fixed
Ubuntu	ppp	18.04	`2.4.7-1+2ubuntu1`	vulnerable
Ubuntu	ppp	18.04	`2.4.7-1+4ubuntu1`	vulnerable
Ubuntu	ppp	18.04	`2.4.7-1+4ubuntu3`	vulnerable
Ubuntu	ppp	18.04	`2.4.7-2+1ubuntu1`	vulnerable
Ubuntu	ppp	18.04	`2.4.7-2+2ubuntu1`	vulnerable
Ubuntu	ppp	18.04	`2.4.7-2+2ubuntu1.1`	vulnerable
Ubuntu	ppp	18.04	`2.4.7-2+2ubuntu1.2`	fixed
Ubuntu	ppp	20.04	`2.4.7-2+4.1ubuntu4`	vulnerable
Ubuntu	ppp	20.04	`2.4.7-2+4.1ubuntu5`	fixed
Ubuntu	lwip	pro	`2.1.2-3`	vulnerable
Ubuntu	lwip	pro	`2.1.2-5.1`	vulnerable
Ubuntu	lwip	pro	`2.1.2+dfsg1-1`	vulnerable
Ubuntu	lwip	pro	`2.1.2+dfsg1-4`	vulnerable
Ubuntu	lwip	pro	`2.1.2+dfsg1-4ubuntu0.1~esm1`	fixed
Ubuntu	ppp	16.04	`2.4.6-3.1ubuntu1`	vulnerable
Ubuntu	ppp	16.04	`2.4.7-1+1ubuntu1`	vulnerable
Ubuntu	ppp	16.04	`2.4.7-1+2ubuntu1`	vulnerable
Ubuntu	ppp	16.04	`2.4.7-1+2ubuntu1.16.04.1`	vulnerable
Ubuntu	ppp	16.04	`2.4.7-1+2ubuntu1.16.04.2`	fixed
Ubuntu	ppp	18.04	`2.4.7-1+2ubuntu1`	vulnerable
Ubuntu	ppp	18.04	`2.4.7-1+4ubuntu1`	vulnerable
Ubuntu	ppp	18.04	`2.4.7-1+4ubuntu3`	vulnerable
Ubuntu	ppp	18.04	`2.4.7-2+1ubuntu1`	vulnerable
Ubuntu	ppp	18.04	`2.4.7-2+2ubuntu1`	vulnerable
Ubuntu	ppp	18.04	`2.4.7-2+2ubuntu1.1`	vulnerable
Ubuntu	ppp	18.04	`2.4.7-2+2ubuntu1.2`	fixed
Ubuntu	ppp	pro	`2.4.5-5.1ubuntu2`	vulnerable
Ubuntu	ppp	pro	`2.4.5-5.1ubuntu2.1`	vulnerable
Ubuntu	ppp	pro	`2.4.5-5.1ubuntu2.2`	vulnerable
Ubuntu	ppp	pro	`2.4.5-5.1ubuntu2.3`	vulnerable
Ubuntu	ppp	pro	`2.4.5-5.1ubuntu2.3+esm1`	fixed
Opensuse	ppp	tumbleweed	`2.4.8-3.6`	fixed
Suse	ppp	linux enterprise point of sale 11 sp3	`2.4.5.git-2.32.3.1`	fixed
Suse	ppp	linux enterprise server 11 sp4-ltss	`2.4.5.git-2.32.3.1`	fixed
Suse	ppp	hpe helion openstack 8	`2.4.7-4.3.1`	fixed
Suse	ppp	openstack cloud 7	`2.4.7-4.3.1`	fixed
Suse	ppp	openstack cloud 8	`2.4.7-4.3.1`	fixed
Suse	ppp	openstack cloud crowbar 8	`2.4.7-4.3.1`	fixed
Suse	ppp	linux enterprise desktop 12 sp4	`2.4.7-4.3.1`	fixed
Suse	ppp	linux enterprise server for sap applications 12 sp1	`2.4.7-4.3.1`	fixed
Suse	ppp	linux enterprise server for sap applications 12 sp2	`2.4.7-4.3.1`	fixed
Suse	ppp	linux enterprise server for sap applications 12 sp3	`2.4.7-4.3.1`	fixed
Suse	ppp	linux enterprise software development kit 12 sp4	`2.4.7-4.3.1`	fixed
Suse	ppp	linux enterprise software development kit 12 sp5	`2.4.7-4.3.1`	fixed
Suse	ppp	linux enterprise server 12 sp1-ltss	`2.4.7-4.3.1`	fixed
Suse	ppp	linux enterprise server 12 sp2-ltss	`2.4.7-4.3.1`	fixed
Suse	ppp	linux enterprise server 12 sp2-bcl	`2.4.7-4.3.1`	fixed
Suse	ppp	linux enterprise server 12 sp3-ltss	`2.4.7-4.3.1`	fixed
Suse	ppp	linux enterprise server 12 sp3-bcl	`2.4.7-4.3.1`	fixed
Suse	ppp	linux enterprise server 12 sp4	`2.4.7-4.3.1`	fixed
Suse	ppp	linux enterprise server for sap applications 12 sp4	`2.4.7-4.3.1`	fixed
Suse	ppp	linux enterprise server 12 sp5	`2.4.7-4.3.1`	fixed
Suse	ppp	linux enterprise server for sap applications 12 sp5	`2.4.7-4.3.1`	fixed
Suse	ppp	enterprise storage 5	`2.4.7-4.3.1`	fixed
Opensuse	ppp	leap 15.1	`2.4.7-lp151.5.3.1`	fixed
Suse	ppp	linux enterprise module for desktop applications 15	`2.4.7-5.3.1`	fixed
Suse	ppp	linux enterprise module for desktop applications 15 sp1	`2.4.7-5.3.1`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	ppp	source	sid	`2.4.8-1+1`	not yet assigned	Not reported	[950618]
Debian	ppp	source	forky	`2.4.8-1+1`	not yet assigned	Not reported	[950618]
Debian	ppp	source	trixie	`2.4.8-1+1`	not yet assigned	Not reported	[950618]
Debian	ppp	source	bookworm	`2.4.8-1+1`	not yet assigned	Not reported	[950618]
Debian	lwip	source	sid	`2.1.2+dfsg1-5`	not yet assigned	Not reported	[951291]
Debian	lwip	source	forky	`2.1.2+dfsg1-5`	not yet assigned	Not reported	[951291]
Debian	lwip	source	trixie	`2.1.2+dfsg1-5`	not yet assigned	Not reported	[951291]
Debian	lwip	source	bookworm	`2.1.2+dfsg1-5`	not yet assigned	Not reported	[951291]
Ubuntu	lwip	deb	noble	`2.2.0+dfsg1-6.1ubuntu0.1~esm1`	Not reported	Not reported	Not reported
Ubuntu	liblwip-dev	deb	noble	`2.2.0+dfsg1-6.1ubuntu0.1~esm1`	Not reported	Not reported	Not reported
Ubuntu	liblwip-doc	deb	noble	`2.2.0+dfsg1-6.1ubuntu0.1~esm1`	Not reported	Not reported	Not reported
Ubuntu	liblwip0t64	deb	noble	`2.2.0+dfsg1-6.1ubuntu0.1~esm1`	Not reported	Not reported	Not reported
Ubuntu	ppp	deb	noble	`2.4.8-1+1`	Not reported	Not reported	Not reported
Alpine	ppp	apk	3.10	`2.4.7-r7`	Not reported	ALPINE-CVE-2020-8597	Not reported
Alpine	ppp	apk	3.11	`2.4.7-r7`	Not reported	ALPINE-CVE-2020-8597	Not reported
Alpine	ppp	apk	3.12	`2.4.8-r1`	Not reported	ALPINE-CVE-2020-8597	Not reported
Alpine	ppp	apk	3.13	`2.4.8-r1`	Not reported	ALPINE-CVE-2020-8597	Not reported
Alpine	ppp	apk	3.14	`2.4.8-r1`	Not reported	ALPINE-CVE-2020-8597	Not reported
Alpine	ppp	apk	3.15	`2.4.8-r1`	Not reported	ALPINE-CVE-2020-8597	Not reported
Alpine	ppp	apk	3.16	`2.4.8-r1`	Not reported	ALPINE-CVE-2020-8597	Not reported
Alpine	ppp	apk	3.17	`2.4.8-r1`	Not reported	ALPINE-CVE-2020-8597	Not reported
Alpine	ppp	apk	3.18	`2.4.8-r1`	Not reported	ALPINE-CVE-2020-8597	Not reported
Alpine	ppp	apk	3.19	`2.4.8-r1`	Not reported	ALPINE-CVE-2020-8597	Not reported
Alpine	ppp	apk	3.20	`2.4.8-r1`	Not reported	ALPINE-CVE-2020-8597	Not reported
Alpine	ppp	apk	3.21	`2.4.8-r1`	Not reported	ALPINE-CVE-2020-8597	Not reported
Alpine	ppp	apk	3.22	`2.4.8-r1`	Not reported	ALPINE-CVE-2020-8597	Not reported
Alpine	ppp	apk	3.23	`2.4.8-r1`	Not reported	ALPINE-CVE-2020-8597	Not reported
Alpine	ppp	apk	3.24	`2.4.8-r1`	Not reported	ALPINE-CVE-2020-8597	Not reported
Alpine	ppp	apk	3.8	`2.4.7-r7`	Not reported	ALPINE-CVE-2020-8597	Not reported
Alpine	ppp	apk	3.9	`2.4.7-r7`	Not reported	ALPINE-CVE-2020-8597	Not reported
Ubuntu	ppp	deb	pro	`2.4.5-5.1ubuntu2.3+esm1`	Not reported	UBUNTU-CVE-2020-8597	Not reported
Ubuntu	ppp	deb	16.04	`2.4.7-1+2ubuntu1.16.04.2`	Not reported	UBUNTU-CVE-2020-8597	Not reported
Ubuntu	ppp	deb	18.04	`2.4.7-2+2ubuntu1.2`	Not reported	UBUNTU-CVE-2020-8597	Not reported
Ubuntu	ppp	deb	20.04	`2.4.7-2+4.1ubuntu5`	Not reported	UBUNTU-CVE-2020-8597	Not reported
Ubuntu	lwip	deb	pro	`2.1.2+dfsg1-4ubuntu0.1~esm1`	Not reported	UBUNTU-CVE-2020-8597	Not reported
Ubuntu	ppp	deb	16.04	`2.4.7-1+2ubuntu1.16.04.2`	Not reported	USN-4288-1	Not reported
Ubuntu	ppp	deb	18.04	`2.4.7-2+2ubuntu1.2`	Not reported	USN-4288-1	Not reported
Ubuntu	ppp	deb	pro	`2.4.5-5.1ubuntu2.3+esm1`	Not reported	USN-4288-2	Not reported
Opensuse	ppp	rpm	tumbleweed	`2.4.8-3.6`	Not reported	OPENSUSE-SU-2024:11191-1	Not reported
Suse	ppp	rpm	linux enterprise point of sale 11 sp3	`2.4.5.git-2.32.3.1`	Not reported	SUSE-SU-2020:14292-1	Not reported
Suse	ppp	rpm	linux enterprise server 11 sp4-ltss	`2.4.5.git-2.32.3.1`	Not reported	SUSE-SU-2020:14292-1	Not reported
Suse	ppp	rpm	hpe helion openstack 8	`2.4.7-4.3.1`	Not reported	SUSE-SU-2020:0490-1	Not reported
Suse	ppp	rpm	openstack cloud 7	`2.4.7-4.3.1`	Not reported	SUSE-SU-2020:0490-1	Not reported
Suse	ppp	rpm	openstack cloud 8	`2.4.7-4.3.1`	Not reported	SUSE-SU-2020:0490-1	Not reported
Suse	ppp	rpm	openstack cloud crowbar 8	`2.4.7-4.3.1`	Not reported	SUSE-SU-2020:0490-1	Not reported
Suse	ppp	rpm	linux enterprise desktop 12 sp4	`2.4.7-4.3.1`	Not reported	SUSE-SU-2020:0490-1	Not reported
Suse	ppp	rpm	linux enterprise server for sap applications 12 sp1	`2.4.7-4.3.1`	Not reported	SUSE-SU-2020:0490-1	Not reported
Suse	ppp	rpm	linux enterprise server for sap applications 12 sp2	`2.4.7-4.3.1`	Not reported	SUSE-SU-2020:0490-1	Not reported
Suse	ppp	rpm	linux enterprise server for sap applications 12 sp3	`2.4.7-4.3.1`	Not reported	SUSE-SU-2020:0490-1	Not reported
Suse	ppp	rpm	linux enterprise software development kit 12 sp4	`2.4.7-4.3.1`	Not reported	SUSE-SU-2020:0490-1	Not reported
Suse	ppp	rpm	linux enterprise software development kit 12 sp5	`2.4.7-4.3.1`	Not reported	SUSE-SU-2020:0490-1	Not reported
Suse	ppp	rpm	linux enterprise server 12 sp1-ltss	`2.4.7-4.3.1`	Not reported	SUSE-SU-2020:0490-1	Not reported
Suse	ppp	rpm	linux enterprise server 12 sp2-ltss	`2.4.7-4.3.1`	Not reported	SUSE-SU-2020:0490-1	Not reported
Suse	ppp	rpm	linux enterprise server 12 sp2-bcl	`2.4.7-4.3.1`	Not reported	SUSE-SU-2020:0490-1	Not reported
Suse	ppp	rpm	linux enterprise server 12 sp3-ltss	`2.4.7-4.3.1`	Not reported	SUSE-SU-2020:0490-1	Not reported
Suse	ppp	rpm	linux enterprise server 12 sp3-bcl	`2.4.7-4.3.1`	Not reported	SUSE-SU-2020:0490-1	Not reported
Suse	ppp	rpm	linux enterprise server 12 sp4	`2.4.7-4.3.1`	Not reported	SUSE-SU-2020:0490-1	Not reported
Suse	ppp	rpm	linux enterprise server for sap applications 12 sp4	`2.4.7-4.3.1`	Not reported	SUSE-SU-2020:0490-1	Not reported
Suse	ppp	rpm	linux enterprise server 12 sp5	`2.4.7-4.3.1`	Not reported	SUSE-SU-2020:0490-1	Not reported
Suse	ppp	rpm	linux enterprise server for sap applications 12 sp5	`2.4.7-4.3.1`	Not reported	SUSE-SU-2020:0490-1	Not reported
Suse	ppp	rpm	enterprise storage 5	`2.4.7-4.3.1`	Not reported	SUSE-SU-2020:0490-1	Not reported
Opensuse	ppp	rpm	leap 15.1	`2.4.7-lp151.5.3.1`	Not reported	OPENSUSE-SU-2020:0286-1	Not reported
Suse	ppp	rpm	linux enterprise module for desktop applications 15	`2.4.7-5.3.1`	Not reported	SUSE-SU-2020:0489-1	Not reported
Suse	ppp	rpm	linux enterprise module for desktop applications 15 sp1	`2.4.7-5.3.1`	Not reported	SUSE-SU-2020:0489-1	Not reported

[Debian bug #950618][Debian bug #951291]

OpenFactory catalog packages

[openSUSE Tumbleweed]

[ppp-devel]Unknown
Source package: [ppp]
Details (1)
- 2.5.2-3.5 · x86_64 · tumbleweed
  Unknown · Fixed: 2.4.8-3.6
  Version impact unknown
  usn · ppp · opensuse · tumbleweed
[ppp-modem]Unknown
Source package: [ppp]
Details (1)
- 2.5.2-3.5 · noarch · tumbleweed
  Unknown · Fixed: 2.4.8-3.6
  Version impact unknown
  usn · ppp · opensuse · tumbleweed
[ppp]Fixed
Source package: [ppp]
Details (1)
- 2.5.2-3.5 · x86_64 · tumbleweed
  Fixed · Fixed: 2.4.8-3.6
  usn · ppp · opensuse · tumbleweed

[Debian 12 (Bookworm)]

[liblwip0]Fixed
Source package: [lwip]
Details (2)
- 2.1.3+dfsg1-2 · amd64 · bookworm
  Fixed · Fixed: 2.1.2+dfsg1-5
  usn · lwip · debian · bookworm; usn · lwip · debian · 12
- 2.1.3+dfsg1-2 · arm64 · bookworm
  Fixed · Fixed: 2.1.2+dfsg1-5
  usn · lwip · debian · bookworm; usn · lwip · debian · 12
[liblwip-dev]Fixed
Source package: [lwip]
Details (2)
- 2.1.3+dfsg1-2 · amd64 · bookworm
  Fixed · Fixed: 2.1.2+dfsg1-5
  usn · lwip · debian · bookworm; usn · lwip · debian · 12
- 2.1.3+dfsg1-2 · arm64 · bookworm
  Fixed · Fixed: 2.1.2+dfsg1-5
  usn · lwip · debian · bookworm; usn · lwip · debian · 12
[liblwip-doc]Fixed
Source package: [lwip]
Details (2)
- 2.1.3+dfsg1-2 · all · bookworm
  Fixed · Fixed: 2.1.2+dfsg1-5
  usn · lwip · debian · bookworm; usn · lwip · debian · 12
- 2.1.3+dfsg1-2 · all · bookworm
  Fixed · Fixed: 2.1.2+dfsg1-5
  usn · lwip · debian · bookworm; usn · lwip · debian · 12
[ppp]Fixed
Source package: [ppp]
Details (2)
- 2.4.9-1+1.1+b1 · amd64 · bookworm
  Fixed · Fixed: 2.4.8-1+1
  usn · ppp · debian · bookworm; usn · ppp · debian · 12
- 2.4.9-1+1.1+b1 · arm64 · bookworm
  Fixed · Fixed: 2.4.8-1+1
  usn · ppp · debian · bookworm; usn · ppp · debian · 12
[ppp-dev]Fixed
Source package: [ppp]
Details (2)
- 2.4.9-1+1.1 · all · bookworm
  Fixed · Fixed: 2.4.8-1+1
  usn · ppp · debian · bookworm; usn · ppp · debian · 12
- 2.4.9-1+1.1 · all · bookworm
  Fixed · Fixed: 2.4.8-1+1
  usn · ppp · debian · bookworm; usn · ppp · debian · 12

[Debian 13 (Trixie)]

[liblwip0t64]Fixed
Source package: [lwip]
Details (2)
- 2.2.1+dfsg1-1 · amd64 · trixie
  Fixed · Fixed: 2.1.2+dfsg1-5
  usn · lwip · debian · 13
- 2.2.1+dfsg1-1 · arm64 · trixie
  Fixed · Fixed: 2.1.2+dfsg1-5
  usn · lwip · debian · 13
[liblwip-dev]Fixed
Source package: [lwip]
Details (2)
- 2.2.1+dfsg1-1 · amd64 · trixie
  Fixed · Fixed: 2.1.2+dfsg1-5
  usn · lwip · debian · 13
- 2.2.1+dfsg1-1 · arm64 · trixie
  Fixed · Fixed: 2.1.2+dfsg1-5
  usn · lwip · debian · 13
[liblwip-doc]Fixed
Source package: [lwip]
Details (2)
- 2.2.1+dfsg1-1 · all · trixie
  Fixed · Fixed: 2.1.2+dfsg1-5
  usn · lwip · debian · 13
- 2.2.1+dfsg1-1 · all · trixie
  Fixed · Fixed: 2.1.2+dfsg1-5
  usn · lwip · debian · 13
[ppp]Fixed
Details (2)
- 2.5.2-1+1 · amd64 · trixie
  Fixed · Fixed: 2.4.8-1+1
  usn · ppp · debian · 13
- 2.5.2-1+1 · arm64 · trixie
  Fixed · Fixed: 2.4.8-1+1
  usn · ppp · debian · 13
[ppp-dev]Fixed
Source package: [ppp]
Details (2)
- 2.5.2-1+1 · all · trixie
  Fixed · Fixed: 2.4.8-1+1
  usn · ppp · debian · 13
- 2.5.2-1+1 · all · trixie
  Fixed · Fixed: 2.4.8-1+1
  usn · ppp · debian · 13

Observed: Oct 23, 2026, 5:53:32 PM UTC

References

[CISA cybersecurity advisories] · [Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX] · [Ubuntu Security Notices (USN)]