Red Hat Security Advisory: glib2 security update
A buffer underflow vulnerability in the GVariant parser of GLib can lead to heap corruption. This issue affects GLib versions used in Red Hat Enterprise Linux 7 Extended Lifecycle Support. The vulnerability is identified as CVE-2025-14087 and has been rated with moderate security impact by Red Hat Product Security. A security update for glib2 addressing this issue is available from Red Hat. No known exploits are reported in the wild at this time.
AI Analysis
Technical Summary
CVE-2025-14087 is a vulnerability in GLib's GVariant parser where a buffer underflow condition can cause heap corruption. GLib is a core library providing essential building blocks for C applications, including the GNOME object system and utility functions. This vulnerability affects Red Hat Enterprise Linux 7 Extended Lifecycle Support versions and related architectures (x86_64, s390x, ppc64, ppc64le). Red Hat has issued a security advisory (RHSA-2026:19566) with an update to glib2 that fixes this issue. The advisory rates the impact as moderate and provides updated packages for affected systems.
Potential Impact
The vulnerability can cause heap corruption due to a buffer underflow in the GVariant parser, potentially leading to application instability or crashes. Red Hat rates the security impact as moderate. There are no reports of active exploitation in the wild. The affected systems include Red Hat Enterprise Linux 7 Extended Lifecycle Support on multiple architectures.
Mitigation Recommendations
Red Hat has released an official security update for glib2 to address this vulnerability. Users of affected Red Hat Enterprise Linux 7 Extended Lifecycle Support systems should apply the provided glib2 update packages as detailed in Red Hat advisory RHSA-2026:19566. Patch status is confirmed as available. No additional mitigation steps are indicated by the vendor.
Red Hat Security Advisory: glib2 security update
Description
A buffer underflow vulnerability in the GVariant parser of GLib can lead to heap corruption. This issue affects GLib versions used in Red Hat Enterprise Linux 7 Extended Lifecycle Support. The vulnerability is identified as CVE-2025-14087 and has been rated with moderate security impact by Red Hat Product Security. A security update for glib2 addressing this issue is available from Red Hat. No known exploits are reported in the wild at this time.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2025-14087 is a vulnerability in GLib's GVariant parser where a buffer underflow condition can cause heap corruption. GLib is a core library providing essential building blocks for C applications, including the GNOME object system and utility functions. This vulnerability affects Red Hat Enterprise Linux 7 Extended Lifecycle Support versions and related architectures (x86_64, s390x, ppc64, ppc64le). Red Hat has issued a security advisory (RHSA-2026:19566) with an update to glib2 that fixes this issue. The advisory rates the impact as moderate and provides updated packages for affected systems.
Potential Impact
The vulnerability can cause heap corruption due to a buffer underflow in the GVariant parser, potentially leading to application instability or crashes. Red Hat rates the security impact as moderate. There are no reports of active exploitation in the wild. The affected systems include Red Hat Enterprise Linux 7 Extended Lifecycle Support on multiple architectures.
Mitigation Recommendations
Red Hat has released an official security update for glib2 to address this vulnerability. Users of affected Red Hat Enterprise Linux 7 Extended Lifecycle Support systems should apply the provided glib2 update packages as detailed in Red Hat advisory RHSA-2026:19566. Patch status is confirmed as available. No additional mitigation steps are indicated by the vendor.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2026:19566
- Cve Count
- 1
- Additional Cves
- []
- Cvss Version
- null
Threat ID: 6a16097de29bf47b5064989e
Added to database: 5/26/2026, 8:58:37 PM
Last enriched: 5/26/2026, 10:50:34 PM
Last updated: 5/27/2026, 4:59:15 AM
Views: 2
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