CVE-2026-80489

Publication date 31 August 2026

Last updated 17 September 2026

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

5.9 · Medium

Score breakdown

Description

EUC_JISX0213 converter hang in euc-jisx0213.c

Read the notes from the security team

Status

Package Ubuntu Release Status
glibc 26.04 LTS resolute
Fixed 2.43-2ubuntu2.4
24.04 LTS noble
Fixed 2.39-0ubuntu8.9
22.04 LTS jammy
Fixed 2.35-0ubuntu3.15
20.04 LTS focal
Needs evaluation
18.04 LTS bionic
Needs evaluation
16.04 LTS xenial
Needs evaluation
eglibc 26.04 LTS resolute Not in release
24.04 LTS noble Not in release
22.04 LTS jammy Not in release
14.04 LTS trusty
Needs evaluation

Notes

mdeslaur

test suite commits in CVE-2026-77117 also test this CVE

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
glibc

Severity score breakdown

CVSS version: CVSS v3.0

Base score 5.9 · Medium

Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

    • USN-8737-1
    • GNU C Library vulnerabilities
    • 8 September 2026
    • USN-8737-2
    • GNU C Library vulnerabilities
    • 10 September 2026

Other references

Access our resources on patching vulnerabilities