CVEvulnerability
CVE-2026-58012
8.2 HIGH
Official page ↗
- Status
- Modified
- Published
- 2026-06-30
- Last modified
- 2026-10-14
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
- CVSS 3.1 ([email protected])
- 8.2 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
- Weaknesses
- CWE-126
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.
Affected configurations
• 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
Related
Weakness · CWE (1)
- CWE-126 Buffer Over-read weakness
References
- https://access.redhat.com/errata/RHSA-2026:49512 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:55440 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:57015 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:58981 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:61766 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:61783 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:63135 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:63138 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:63140 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:65762 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:65763 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:65767 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:65768 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:65769 access.redhat.com
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- https://access.redhat.com/errata/RHSA-2026:73859 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:73909 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:73929 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:73930 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:73959 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:73960 access.redhat.com
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- https://access.redhat.com/errata/RHSA-2026:73962 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:74458 access.redhat.com
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- https://access.redhat.com/errata/RHSA-2026:74460 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:74461 access.redhat.com
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- https://access.redhat.com/errata/RHSA-2026:75654 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:75655 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:75657 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:75658 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:75659 access.redhat.com
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- https://access.redhat.com/errata/RHSA-2026:80771 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:82059 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:82061 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:82066 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:82304 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:82322 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:82336 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:82347 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:82354 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:82368 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:82371 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:82372 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:82415 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:82857 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:82888 access.redhat.com
- https://access.redhat.com/security/cve/CVE-2026-58012 Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2492247 Issue Tracking, Third Party Advisory
- https://gitlab.gnome.org/GNOME/glib/-/issues/3918 Exploit, Issue Tracking, Vendor Advisory