OESA-2026-4248

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Source

https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2026-4248

Import Source

https://repo.openeuler.org/security/data/osv/OESA-2026-4248.json

JSON Data

https://api.osv.dev/v1/vulns/OESA-2026-4248

Upstream

CVE (4)

Published

2026-10-16T11:58:34Z

Modified

2026-10-16T12:15:17Z

Severity

7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS Calculator

Summary

libX11 security update

Details

Core X11 protocol client library.

Security Fix(es):

A malicious X server could exploit a buffer overflow in libX11 before 1.8.14 during handling of XkbGetMap overflowing the key_sym_map.(CVE-2026-88806)

An out-of-bounds read vulnerability in libX11's XIM (X Input Method) attribute parser in libX11 before 1.8.14 could be used by malicious X servers to crash attached X clients.(CVE-2026-94283)

An out-of-bounds read vulnerability in libX11's XIM trigger-key registration parser in libX11 before 1.8.14 could be used by malicious X servers to crash attached X clients.(CVE-2026-94284)

An out-of-bounds read in libX11's byte-oriented codeset parser in libX11 before 1.8.14 could be used by malicious X servers to crash attached X clients.(CVE-2026-94285)

Database specific

{
    "severity":  "High"
}

References

Affected packages

openEuler:24.03-LTS-SP3 / libX11

Package

Name: libX11
Purl: pkg:rpm/openEuler/libX11&distro=openEuler-24.03-LTS-SP3

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0 Unknown introduced version / All previous versions are affected

Fixed

1.8.7-4.oe2403sp3

Ecosystem specific

{
    "aarch64":  [
        "libX11-1.8.7-4.oe2403sp3.aarch64.rpm",
        "libX11-debuginfo-1.8.7-4.oe2403sp3.aarch64.rpm",
        "libX11-debugsource-1.8.7-4.oe2403sp3.aarch64.rpm",
        "libX11-devel-1.8.7-4.oe2403sp3.aarch64.rpm"
    ],
    "noarch":  [
        "libX11-help-1.8.7-4.oe2403sp3.noarch.rpm"
    ],
    "src":  [
        "libX11-1.8.7-4.oe2403sp3.src.rpm"
    ],
    "x86_64":  [
        "libX11-1.8.7-4.oe2403sp3.x86_64.rpm",
        "libX11-debuginfo-1.8.7-4.oe2403sp3.x86_64.rpm",
        "libX11-debugsource-1.8.7-4.oe2403sp3.x86_64.rpm",
        "libX11-devel-1.8.7-4.oe2403sp3.x86_64.rpm"
    ]
}

Database specific

source

"https://repo.openeuler.org/security/data/osv/OESA-2026-4248.json"