VulnSocial

CVE-2020-8597Patch(canonical / debian_linux)

LOWCVSS 9.8 · CRITICAL

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Patch canonical debian_linux systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

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.

canonical CVEsBack to dashboard
1.5/ 10 priority

Sources & remediation

Patch / fix
Vendor / third-party advisories
Other references
Weakness type (CWE)
CWE-120

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • debian_linux
  • pfc100
  • pfc200
  • pfc_firmware

Threat summary

  • Patch or workaround signal is available
  • 1 mentions across 1 observed day

What's happening

  • Patch or workaround mentioned in 1 signal
  • Technical details provided in 1 signal
  • 1 total mentions across 1 day

Affected systems

Vendors
canonicaldebianpoint-to-point_protocol_projectwago
Products
debian_linuxpfc100pfc200pfc_firmwarepoint-to-point_protocolubuntu_linux

8 versions affected across 6 products

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-06-12: 1Patch / Workaround · 2026-06-12: 1Technical Details · 2026-06-12: 106-12
Signal classification1 categories
Patch
1100.0%
Referenced assets1 URL
Full discourse1 post
  • ThreatCluster@threatcluster
    Patch

    Ubuntu released USN-8423-1 fixing multiple lwIP flaws, including buffer overflows in EAP auth and SNMPv3 (CVE-2020-8597, CVE-2026-8836) affecting Ubuntu 20.04, 22.04, 24.04 and 26.04 LTS, Ubuntu security notice said. https://threatcluster.io/cluster/multiple-lwip-vulnerabilities-affecting-ubuntu-2004-lts-583cddc9

    Post summary

    Ubuntu announced USN-8423-1 to patch multiple lwIP buffer overflow flaws (CVE-2020-8597, CVE-2026-8836) affecting several LTS releases; no exploitation or PoC details were provided.

    0000054
    330 followersView on X
CPE platform detail11 entries

11 of 11 entries

PartVendorProductVersionTarget SWTarget HW
OScanonicalubuntu_linux12.04--
OScanonicalubuntu_linux14.04--
OScanonicalubuntu_linux16.04--
OScanonicalubuntu_linux18.04--
OScanonicalubuntu_linux19.04--
OSdebiandebian_linux10.0--
OSdebiandebian_linux9.0--
Apppoint-to-point_protocol_projectpoint-to-point_protocol---
HWwagopfc100---
HWwagopfc200---
OSwagopfc_firmware---

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