Home/CVE/An issue was discovered in GNOME GLib before 2.66.6 and 2.67.x before 2.67.3. The function g_bytes_new has an integer ov
CVE

CVE-2021-27219

An issue was discovered in GNOME GLib before 2.66.6 and 2.67.x before 2.67.3. The function g_bytes_new has an integer ov

An issue was discovered in GNOME GLib before 2.66.6 and 2.67.x before 2.67.3. The function g_bytes_new has an integer overflow on 64-bit platforms due to an implicit cast from 64 bits to 32 bits. The overflow could potentially lead to memory corruption.

HIGH · CVSS 7.5 EPSS 0.01091
Act now
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-681Incorrect Conversion between Numeric Types
▤

Affected Products & Versions

8
gnome glib< 2.66.6
gnome glib>= 2.67.0 and < 2.67.3
fedoraproject fedoraall versions
netapp active iq unified managerall versions
netapp cloud backupall versions
netapp e-series performance analyzerall versions
broadcom brocade fabric operating system firmwareall versions
debian linuxall versions
⚠

Public Exploits & PoCs

1
pocgitlab.gnome.org · 2319gitlab.gnome.org
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD15 Feb 2021 · 05:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
⚑

Vendor Advisories

23
suse-csafopenSUSE-SU-2024:10791-1
siemens-csafSSA-398330
rhsaRHSA-2021:2519Important
rhsaRHSA-2021:2522Important
rhsaRHBA-2021:2854Moderate
🔗

References & Sources

6
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://lists.apache.org/thread.html/rf9fa47ab66495c78bb4120b0754dd9531ca2ff0430f6685ac9b07772%40%3Cdev.mina.apache.org%3E
https://lists.debian.org/debian-lts-announce/2022/06/msg00006.htmlMailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2REA7RVKN7ZHRLJOEGBRQKJIPZQPAELZ/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JJMPNDO4GDVURYQFYKFOWY5HAF4FTEPN/
https://security.gentoo.org/glsa/202107-13Third Party Advisory
https://security.netapp.com/advisory/ntap-20210319-0004/Third Party Advisory
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