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CVE

CVE-2023-32636

A flaw was found in glib, where the gvariant deserialization code is vulnerable to a denial of service introduced by add

A flaw was found in glib, where the gvariant deserialization code is vulnerable to a denial of service introduced by additional input validation added to resolve CVE-2023-29499. The offset table validation may be very slow. This bug does not affect any released version of glib but does affect glib distributors who followed the guidance of glib developers to backport the initial fix for CVE-2023-29499.

MEDIUM · CVSS 4.7 EPSS 0.00165
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-400Uncontrolled Resource Consumption
CWE-502Deserialization of Untrusted Data
▤

Affected Products & Versions

1
gnome glib< 2.74.4
▣

Scoring & Timeline

4.7
MEDIUM · CVSS v3.1 · secalert@redhat.com
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 NVD14 Sep 2023 · 08:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

8
msrcCVE-2023-32636
siemens-csafSSA-398330
usnUSN-6165-2
suse-csafSUSE-SU-2023:3535-1
usnUSN-6165-1
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://gitlab.gnome.org/GNOME/glib/-/issues/2841Issue TrackingVendor Advisory
https://https://discourse.gnome.org/t/multiple-fixes-for-gvariant-normalisation-issues-in-glib/12835Broken Link
https://security.netapp.com/advisory/ntap-20231110-0002/Third Party Advisory
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