Vulnerability in Broadcom Brocade Fabric Operating System Firmware
CVE-2021-27218
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.041 (90.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 90.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.041 · newest: 0.041 · change: 0.000
Affected products
Weakness classification (CWE)
References
- gitlab.gnome.org/GNOME/glib/-/merge_requests/1942 (Patch, Vendor Advisory)
- gitlab.gnome.org/GNOME/glib/-/merge_requests/1944 (Patch, Vendor Advisory)
- lists.apache.org/thread.html/rf9fa47ab66495c78bb4120b0754dd9531ca2ff0430f6685ac… (mailing-list)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- security.netapp.com/advisory/ntap-20210319-0004/ (Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a4508… (mailing-list)
- lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698… (mailing-list)
- security.gentoo.org/glsa/202107-13 (vendor-advisory, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2022/06/msg00006.html (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-27218?
- CVE-2021-27218 is a high-severity vulnerability in Broadcom Brocade Fabric Operating System Firmware, classified under Incorrect Conversion between Numeric Types. CVSS score: 7.5/10. Published 2021-02-15.
- How severe is CVE-2021-27218?
- High severity. CVSS v3 base score is 7.5 out of 10.