PT-2026-4915 · Gnome+2 · Glib+2

Treeplus · Published 2025-12-16 · Updated 2026-02-23 · CVE-2026-1484

Positive Technologies (AI Summary)

CVSS v3.1

4.2

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions GLib (affected versions not specified)

Description A flaw exists in the GLib Base64 encoding routine when handling very large input data. The issue stems from the incorrect use of integer types during length calculation, potentially leading to miscalculation of buffer boundaries. This can result in memory writes outside the allocated buffer. Applications utilizing GLib to process untrusted or extremely large Base64 input may experience crashes or unpredictable behavior.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

LPE

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

AZL-75467

AZL-75920

BDU:2026-05065

CVE-2026-1484

ECHO-5566-E5F1-09D5

OESA-2026-1292

OPENSUSE-SU-2026:10111-1

OPENSUSE-SU-2026:20150-1

SUSE-SU-2026:0355-1

SUSE-SU-2026:0372-1

SUSE-SU-2026:0373-1

SUSE-SU-2026:20210-1

SUSE-SU-2026:20221-1

SUSE-SU-2026:20446-1

SUSE-SU-2026:20493-1

USN-8017-1

Affected Products

Glib

Linuxmint

Ubuntu

References · 65

• https://ubuntu.com/security/CVE-2026-1485 · Vendor Advisory
• https://osv.dev/vulnerability/ROOT-OS-DEBIAN-13-CVE-2026-1484 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2026:20150-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:20446-1 · Vendor Advisory
• https://osv.dev/vulnerability/BELL-CVE-2026-1484 · Vendor Advisory
• https://osv.dev/vulnerability/AZL-75920 · Vendor Advisory
• https://osv.dev/vulnerability/AZL-75467 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se47-bulletin-2026-0518SE47 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:20493-1 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-1484 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-1485 · Security Note
• https://bdu.fstec.ru/vul/2026-05065 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-1484 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2026-1484 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se17-bulletin-2026-0421SE17 · Vendor Advisory