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CVE-2025-6052

23
FAUCET Score

CVE-2025-6052 is a memory management flaw in GLib's GString component, affecting gnome glib. This vulnerability arises when appending data to an already large string, leading to an integer overflow in the size calculation and subsequent out-of-bounds write. With a CVSS score of 7.5 (HIGH), this vulnerability is network-exploitable with low attack complexity, potentially causing denial of service or memory corruption. Currently, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 2.75.3, <= 2.84.3CPE matchmatch criteria
cpe:2.3:a:gnome:glib:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

3.7LOW

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
LOW
Exploitability Score
2.2
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.42%
Probability of exploitation in next 30 days
EPSS Percentile
34.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0042 is in the 13th percentile among its peer group of 51,551 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (5)

microsoftpatch availablevia msrc
Product: 20272-17084Fixed in: 2.78.6-3
microsoftpatch availablevia msrc
Product: azl3 glib 2.78.6-3 on Azure Linux 3.0Fixed in: 2.78.6-3
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 10Fixed in: glib2
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 10Fixed in: mingw-glib2
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: mingw-glib2

Vendor Advisories (2)

redhatCVE-2025-6052Low

glib: Integer overflow in g_string_maybe_expand() leading to potential buffer overflow in GLib GString

Jun 13, 2025
microsoft2025-Jun/CVE-2025-6052Low

Glib: integer overflow in g_string_maybe_expand() leading to potential buffer overflow in glib gstring

Jun 10, 2025

References

cert-portal.siemens.com / productcert/html/ssa-032379.html
cert-portal.siemens.com / productcert/html/ssa-253495.html
access.redhat.com / security/cve/CVE-2025-6052
Third Party Advisory
bugzilla.redhat.com / show_bug.cgi
Issue TrackingThird Party Advisory