CVE-2025-6052

Description

A flaw was found in how GLib’s GString manages memory when adding data to strings. If a string is already very large, combining it with more input can cause a hidden overflow in the size calculation. This makes the system think it has enough memory when it doesn’t. As a result, data may be written past the end of the allocated memory, leading to crashes or memory corruption.

CVSS v3.1 Score

3.7

LOW

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

Weakness Type (CWE)

CWE-190 Integer Overflow

Affected Products

Vendor	Product	Versions
gnome	glib	2.75.3 — 2.84.3

References

Other References

https://access.redhat.com/security/cve/CVE-2025-6052 https://bugzilla.redhat.com/show_bug.cgi?id=2372666 https://cert-portal.siemens.com/productcert/html/ssa-032379.html

Frequently Asked Questions

What is CVE-2025-6052? +

A flaw was found in how GLib’s GString manages memory when adding data to strings. If a string is already very large, combining it with more input can cause a hidden overflow in the size calculation. This makes the system think it has enough memory when it doesn’t. As a result, data may be written past the end of the allocated memory, leading to crashes or memory corruption. It has a CVSS v3.1 base score of 3.7 (LOW).

How severe is CVE-2025-6052? +

CVE-2025-6052 has a CVSS v3.1 score of 3.7 out of 10, rated LOW. This is a low-severity vulnerability with limited impact.

What products are affected by CVE-2025-6052? +

CVE-2025-6052 affects products from gnome, specifically: glib. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-6052? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

Related Vulnerabilities

CVE-2025-2574

Out-of-bounds array write in Xpdf 4.05 and earlier, due to incorrect integer overflow checking in the PostScript function interpreter code.

CVE-2025-46333

z2d is a pure Zig 2D graphics library. Versions of z2d after `0.5.1` and up to and including `0.6.0`, when …

CVE-2024-30212

If a SCSI READ(10) command is initiated via USB using the largest LBA (0xFFFFFFFF) with it's default block size of …

CVE-2025-52935

Integer Overflow or Wraparound vulnerability in dragonflydb dragonfly (src/redis/lua/struct modules). This vulnerability is associated with program files lua_struct.C. This issue …

CVE-2025-7709

An integer overflow exists in the FTS5 https://sqlite.org/fts5.html extension. It occurs when the size of an array of tombstone pointers …

CVE-2025-34297

KissFFT versions prior to the fix commit 1b083165 contain an integer overflow in kiss_fft_alloc() in kiss_fft.c on platforms where size_t …