ALT-PU-2026-12314

Высокий

ALT-PU-2026-12314: package libXfont update to version 1.5.4-alt3

Источник

errata.altlinux.org

Дата публикации

06.08.2026

Дата обновления

06.08.2026

Устраненные уязвимости

ALT Linux branch p11

ALT Container

ALT Education

ALT Workstation

ALT Workstation K

ALT Server

ALT Virtualization PVE Edition

Описание

This update upgrades libXfont to version 1.5.4-alt3.

Устраненные уязвимости1

CVE-2026-56002

Высокий 8.8

Дата публикации: 08.07.2026

CWE-122

A heap bufferflow in pcfReadFont() due to missing glyph bounds checking in libXfont2 before 2.0.8 allows attackers authenticated as X client to execute code within the X server.

CVSS 3.1

Высокий 8.8

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

Attack vector: Network
Complexity: Low
Privileges: Low
User interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: High
Availability: High

Ссылки

CVE-2026-56002 https://nvd.nist.gov/vuln/detail/CVE-2026-56002

Ссылки1

ALT-PU-2026-12314 https://errata.altlinux.org/ALT-PU-2026-12314

Связанные уязвимости

CVE-2026-56002

CVSS3: 8.8

ubuntu

4 месяца назад

A heap bufferflow in pcfReadFont() due to missing glyph bounds checking in libXfont2 before 2.0.8 allows attackers authenticated as X client to execute code within the X server.

CVE-2026-56002

CVSS3: 7.3

redhat

4 месяца назад

A heap bufferflow in pcfReadFont() due to missing glyph bounds checking in libXfont2 before 2.0.8 allows attackers authenticated as X client to execute code within the X server.

CVE-2026-56002

CVSS3: 8.8

nvd

4 месяца назад

A heap bufferflow in pcfReadFont() due to missing glyph bounds checking in libXfont2 before 2.0.8 allows attackers authenticated as X client to execute code within the X server.

CVE-2026-56002

CVSS3: 8.5

msrc

4 месяца назад

libXfont2 PCF Font Parsing Heap Buffer Overflow

CVE-2026-56002

CVSS3: 8.8

debian

4 месяца назад

A heap bufferflow in pcfReadFont() due to missing glyph bounds checkin ...