TI-2020-14322 Aliases CVE-2020-22283 GHSA-8gr9-6mc8-jj84

A buffer overflow vulnerability in the icmp6_send_response_with_addrs_and_netif()…

LOW 36CWE-120Published 2021-07-22 · Updated 2024-08-04

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: High · None · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

A buffer overflow vulnerability in the icmp6_send_response_with_addrs_and_netif() function of Free Software Foundation lwIP version git head allows attackers to access sensitive information via a crafted ICMPv6 packet.

Why it matters now

EPSS 0.01416 72nd percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:lwip_project:lwip:-:::::::*	not specified by NVD	Vulnerable	Lwip Project

cpe:2.3:a:lwip_project:lwip:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Lwip Project

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2020-22283
2026-10-03 Alias added: GHSA-8gr9-6mc8-jj84

References

Patch 1

https://savannah.nongnu.org/bugs/index.php?58553

Other 1

[debian-lts-announce] 20231118 [SECURITY] [DLA 3655-1] lwip security update

TI-2020-14323 A buffer overflow vulnerability in the zepif_linkoutput() function of Free Software… CVSS 3.1HIGH 7.5
TI-2014-04018 resolv.c in the DNS resolver in uIP, and dns.c in the DNS resolver in lwIP 1.4.1 and… CVSS 2.0MEDIUM 4.3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences