CVE-2025-14512: glib. This vulnerability · Integer Overflow
Source GCVE Database
Not known to be exploited · CVSS 6.5 Medium : upgrade to 2.86.3 when convenient.
Data as of 26 Oct 2026, 12:29 UTC
- EPSS
- 0.5% chance of exploitation in 30 days – higher than 47% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 2.86.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HExploitation evidence
Disclosed: evidence found.
CVE published 11 Dec 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Upgrade glib to 2.86.3.
Patches and advisories
- access.redhat.com/errata/RHSA-2026:7461 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:58981 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:29197 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:25096 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:22634 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:21275 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:19567 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:19565 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:19524 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:19523 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:19460 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:19459 (opens in a new tab)
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| GNOMEglib | Affected
| Fixed in
|
Red Hatredhat/glibpkg:rpm/redhat/glibOther threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
A fix is available in GLib version 2.88.0 and later. Users should apply the official patches provided by Red Hat as referenced in their security advisories. No additional mitigation steps are indicated by the vendor.
Description
A heap buffer overflow and denial-of-service (DoS) vulnerability exists in GLib's GIO escape_byte_string() function due to an integer overflow when processing malicious file or remote filesystem attribute values. This flaw affects GLib versions prior to 2.88.0. The vulnerability has a medium severity rating with a CVSS score of 6.5. Red Hat has released patches addressing this issue in version 2.88.0.
References
- nvd.nist.gov/vuln/detail/CVE-2025-14512 (opens in a new tab)
- gitlab.gnome.org/GNOME/glib/-/issues/3845 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2421339 (opens in a new tab)
- access.redhat.com/security/cve/CVE-2025-14512 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:7461 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:58981 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:29197 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:25096 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:22634 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:21275 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:19567 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:19565 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:19524 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:19523 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:19460 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:19459 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:19457 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:19452 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:19361 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:19148 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:15953 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:15969 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:15971 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:72502 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:74674 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:82888 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:82857 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:82372 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:82354 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:82347 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:82322 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:82304 (opens in a new tab)