CVE-2021-27218

HIGH

GNOME GLib <2.66.7 & <2.67.4 - Info Disclosure

Title source: llm

Description

An issue was discovered in GNOME GLib before 2.66.7 and 2.67.x before 2.67.4. If g_byte_array_new_take() was called with a buffer of 4GB or more on a 64-bit platform, the length would be truncated modulo 2**32, causing unintended length truncation.

References (10)

[Patch, Vendor Advisory] https://gitlab.gnome.org/GNOME/glib/-/merge_requests/1942

[Patch, Vendor Advisory] https://gitlab.gnome.org/GNOME/glib/-/merge_requests/1944

[Mailing List] https://lists.apache.org/thread.html/rf9fa47ab66495c78bb4120b0754dd9531ca2ff0430f6685ac9b07772%40%3Cdev.mina.apache.org%3E

[Mailing List, Third Party Advisory] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2REA7RVKN7ZHRLJOEGBRQKJIPZQPAELZ/

[Third Party Advisory] https://security.netapp.com/advisory/ntap-20210319-0004/

[Mailing List, Third Party Advisory] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JJMPNDO4GDVURYQFYKFOWY5HAF4FTEPN/

[Mailing List] https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E

[Mailing List] https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E

[Third Party Advisory] https://security.gentoo.org/glsa/202107-13

[Mailing List, Third Party Advisory] https://lists.debian.org/debian-lts-announce/2022/06/msg00006.html

Scores

CVSS v3 7.5

EPSS 0.0521

EPSS Percentile 90.0%

Attack Vector NETWORK

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

Details

CWE

CWE-681

Status published

Products (8)

broadcom/brocade_fabric_operating_system_firmware

debian/debian_linux 9.0

fedoraproject/fedora 33

fedoraproject/fedora 34

gnome/glib < 2.66.7

netapp/active_iq_unified_manager

netapp/cloud_backup

netapp/e-series_performance_analyzer

Published Feb 15, 2021

Tracked Since Feb 18, 2026