CVE-2026-58012
HIGH
MEDIUM
Priority: 0.04
BB Relevance:
76/100
Published: 2026-06-30
Modified: 2026-10-29
First seen: 2026-10-29
Status: active
Attack Surface
Network
Low Complexity
No Auth
No Interaction
CVSS Vector Breakdown
AV:
Network
AC:
Low
PR:
None
UI:
None
S:
Unchanged
C:
Low
I:
None
A:
High
Description
A flaw was found in GLib. A buffer over-read can occur in the g_regex_replace function when used with the `G_REGEX_RAW` compile flag and case-change replacement escapes because the string_append function processes matched substrings using UTF-8 functions that assume valid UTF-8 input, even when the string is treated as raw bytes. This vulnerability can cause a minor information disclosure of 1-5 bytes and a denial of service when the buffer over-read crosses a page boundary.
Weakness Classification (1)
Affected Software (9)
| Vendor | Product | Version |
|---|---|---|
| GNOME | GLib | 0 < 2.86.5 |
| GNOME | GLib | 0 < 2.88.1 |
| gnome | glib | < 2.86.5 |
| gnome | glib | 2.88.0 |
| redhat | enterprise_linux | 6.0 |
| redhat | enterprise_linux | 7.0 |
| redhat | enterprise_linux | 8.0 |
| redhat | enterprise_linux | 9.0 |
| redhat | enterprise_linux | 10.0 |
References & Advisories (78)
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