Glib: off-by-one error in glib/gkeyfile.c via "g_key_file_get_locale_string_list"
Noroxi assessment
Priority: Monitor (action score 34/100)
- The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
- Probability of exploitation in the next 30 days: 0.48% (FIRST EPSS).
- Anyone who can reach it over the internet can trigger it. No account or password is required. No user action is required. No special conditions are required; it is repeatable.
- According to CISA the attack is automatable: targets can be found by mass scanning.
- Fixed version: GNOME GLib 2.88.1; azl3 glib 2.78.6-9 on Azure Linux 3.0 2.78.6-10.
Low priority for now. Upgrade to GNOME GLib 2.88.1; azl3 glib 2.78.6-9 on Azure Linux 3.0 2.78.6-10 or later.
Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it
Primary sources: NVD · CVE.org · FIRST EPSS
A flaw was found in GLib. An off-by-one error can occur in the g_key_file_get_locale_string_list function in the gkeyfile.c file when loading a key file with an empty value. This flaw can cause an out-of-bounds access of 1 byte or a denial of service when the out-of-bounds access crosses a page boundary.
- EUVD-2026-40316
- ALSA-2026:49512
- ALSA-2026:55440
- ALSA-2026:57015
- ALSA-2026:61766
- openSUSE-SU-2026:21410-1
- RHSA-2026:49512
- RHSA-2026:55440
- RHSA-2026:57015
- RHSA-2026:61766
- RHSA-2026:65762
- RHSA-2026:65763
- RHSA-2026:65767
- RHSA-2026:65768
- RHSA-2026:65769
- RHSA-2026:65770
- RHSA-2026:65771
- RHSA-2026:65773
- RLSA-2026:49512
- RLSA-2026:55440
- Published
- Jun 30, 2026
- Updated
- Oct 15, 2026
- EPSS
- 0.4% · 40th percentile
- CWE
- CWE-193
Report tools
Action score
34
Monitor
Low priority for now.
- CVSS
- 34 / 40 · 8.6 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 0.4%
CISA SSVC decision
- Exploitation
- proof of concept
- Automatable
- yes
- Technical impact
- partial
Vulnrichment: CISA's decision-tree inputs.
CNA vs NVD score
- NVD
- 8.6
- CNA · redhat
- 7.3
- 1.3 point gap
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.
Get told when this record changes
- Not in KEV: no record of exploitation in the wild
- No public exploit code on record
- A fix has been released
If any of these changes, we'll tell you in the daily email digest.
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Noroxi analysis
What does it mean in your environment?
The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.
We use this product, ask for helpAffected systems
Is your version affected?
Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.
| Vendor | Product | CPE |
|---|---|---|
| gnome | glib | cpe:2.3:a:gnome:glib |
| redhat | enterprise linux | cpe:2.3:o:redhat:enterprise_linux |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- gnome glibbefore 2.88.1
- redhat enterprise linux10.0
- redhat enterprise linux6.0
- redhat enterprise linux7.0
- redhat enterprise linux8.0
- redhat enterprise linux9.0
Versions reported by the vendor
Affected version ranges reported by the assigning authority (redhat). Independent of NVD's CPE analysis and usually ahead of it.
GNOME GLib
- before 2.88.1affected · semver
Red Hat Cert Manager support for Red Hat OpenShift release 1.17
- 1791371080 and laternot affected · rpm
- 1791371069 and laternot affected · rpm
- 1791788287 and laternot affected · rpm
- 1791378395 and laternot affected · rpm
- 1791970484 and laternot affected · rpm
Red Hat Cert Manager support for Red Hat OpenShift release 1.18
- 1791459707 and laternot affected · rpm
- 1791459711 and laternot affected · rpm
- 1791459759 and laternot affected · rpm
- 1789029076 and laternot affected · rpm
- 1791966259 and laternot affected · rpm
Red Hat Cert Manager support for Red Hat OpenShift release 1.19
- 1788348522 and laternot affected · rpm
- 1788348571 and laternot affected · rpm
- 1788348571 and laternot affected · rpm
- 1788348594 and laternot affected · rpm
Red Hat Cert Manager support for Red Hat OpenShift release 1.20
- 1790223279 and laternot affected · rpm
- 1790223719 and laternot affected · rpm
- 1790272426 and laternot affected · rpm
- 1790589998 and laternot affected · rpm
- 1790589912 and laternot affected · rpm
- 1790589914 and laternot affected · rpm
- 1790589855 and laternot affected · rpm
- 1790598593 and laternot affected · rpm
Red Hat Red Hat AI Inference Server 3.2
- 1790621714 and laternot affected · rpm
- 1790621718 and laternot affected · rpm
- 1790621713 and laternot affected · rpm
Red Hat Red Hat AI Inference Server 3.5
- 1791425869 and laternot affected · rpm
- 1791427182 and laternot affected · rpm
- 1791803821 and laternot affected · rpm
- 1791473631 and laternot affected · rpm
- 1791818357 and laternot affected · rpm
- 1791473614 and laternot affected · rpm
Red Hat Red Hat Discovery 2
- 1788205779 and laternot affected · rpm
- 1788206196 and laternot affected · rpm
Red Hat Red Hat Enterprise Linux 10
- 0:2.80.4-12.el10_2.21 and laternot affected · rpm
- all versionsaffected
Red Hat Red Hat Enterprise Linux 10.0 Extended Update Support
- 0:2.80.4-4.el10_0.17 and laternot affected · rpm
Red Hat Red Hat Enterprise Linux 6
- all versionsaffected
Red Hat Red Hat Enterprise Linux 7 Extended Lifecycle Support
- 0:2.56.1-13.el7_9.1 and laternot affected · rpm
Package-level exposure
OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.
| Ecosystem | Package | Affected range | Fix |
|---|---|---|---|
| AlmaLinux:10 | glib2 | before 2.80.4-12.el10_2.21 | 2.80.4-12.el10_2.21 |
| AlmaLinux:10 | glib2-devel | before 2.80.4-12.el10_2.21 | 2.80.4-12.el10_2.21 |
| AlmaLinux:10 | glib2-doc | before 2.80.4-12.el10_2.21 | 2.80.4-12.el10_2.21 |
| AlmaLinux:10 | glib2-static | before 2.80.4-12.el10_2.21 | 2.80.4-12.el10_2.21 |
| AlmaLinux:10 | glib2-tests | before 2.80.4-12.el10_2.21 | 2.80.4-12.el10_2.21 |
| AlmaLinux:8 | glib2 | before 2.56.4-177.el8_10 | 2.56.4-177.el8_10 |
| AlmaLinux:8 | glib2-devel | before 2.56.4-177.el8_10 | 2.56.4-177.el8_10 |
| AlmaLinux:8 | glib2-doc | before 2.56.4-177.el8_10 | 2.56.4-177.el8_10 |
| AlmaLinux:8 | glib2-fam | before 2.56.4-177.el8_10 | 2.56.4-177.el8_10 |
| AlmaLinux:8 | glib2-static | before 2.56.4-177.el8_10 | 2.56.4-177.el8_10 |
| AlmaLinux:8 | glib2-tests | before 2.56.4-177.el8_10 | 2.56.4-177.el8_10 |
| AlmaLinux:8 | mingw32-glib2 | before 2.70.1-9.el8_10 | 2.70.1-9.el8_10 |
| AlmaLinux:8 | mingw32-glib2-static | before 2.70.1-9.el8_10 | 2.70.1-9.el8_10 |
| AlmaLinux:8 | mingw64-glib2 | before 2.70.1-9.el8_10 | 2.70.1-9.el8_10 |
| AlmaLinux:8 | mingw64-glib2-static | before 2.70.1-9.el8_10 | 2.70.1-9.el8_10 |
| AlmaLinux:9 | glib2 | before 2.68.4-19.el9_8.9 | 2.68.4-19.el9_8.9 |
| AlmaLinux:9 | glib2-devel | before 2.68.4-19.el9_8.9 | 2.68.4-19.el9_8.9 |
| AlmaLinux:9 | glib2-doc | before 2.68.4-19.el9_8.9 | 2.68.4-19.el9_8.9 |
| AlmaLinux:9 | glib2-static | before 2.68.4-19.el9_8.9 | 2.68.4-19.el9_8.9 |
| AlmaLinux:9 | glib2-tests | before 2.68.4-19.el9_8.9 | 2.68.4-19.el9_8.9 |
| Debian:12 | glib2.0 | all versions | — |
| Debian:13 | glib2.0 | before 2.84.4-3~deb13u4 | 2.84.4-3~deb13u4 |
| Debian:14 | glib2.0 | before 2.88.1-2 | 2.88.1-2 |
| openSUSE:Leap 16.0 | glib2 | before 2.84.4-160000.4.1 | 2.84.4-160000.4.1 |
+96
Same product
gnome: all recordsOther highest-scoring records for the same primary product.
- CVE-2019-12450file_copy_fallback in gio/gfile.c in GNOME GLib 2.15.0 through 2.61.1 does not properly restrict file permissions while a copy operation is 40Plan
- CVE-2018-16428In GNOME GLib 2.56.1, g_markup_parse_context_end_parse() in gmarkup.c has a NULL pointer dereference.40Plan
- CVE-2025-14087Glib: glib: buffer underflow in gvariant parser leads to heap corruption39Monitor
Published before and after this one in the same product
- ← EarlierCVE-2026-58012Jun 30, 2026 · Glib: buffer over-read in g_regex_replace() via glib/gregex.c:string_append() and g_utf8_next_char()32Monitor
- ← EarlierCVE-2026-58013Jun 30, 2026 · Glib: buffer over-read in glib/giochannel.c via "g_io_channel_read_line_backend"32Monitor
- Later →CVE-2026-58015Jun 30, 2026 · Glib: path traversal in glib/gio/gdbusauthmechanismsha1.c via keyring_lookup_entry and mechanism_client_data_receive30Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
| Product / package | Fixed version | Source |
|---|---|---|
| GNOME GLib | 2.88.1 | Vendor (CNA) |
| azl3 glib 2.78.6-9 on Azure Linux 3.0 | 2.78.6-10 · CBL-Mariner Releases | Microsoft (MSRC) |
| almalinux:glib2 | 2.68.4-19.el9_8.9 · AlmaLinux:9 | Package registry (OSV) |
| almalinux:glib2-devel | 2.68.4-19.el9_8.9 · AlmaLinux:9 | Package registry (OSV) |
| almalinux:glib2-doc | 2.68.4-19.el9_8.9 · AlmaLinux:9 | Package registry (OSV) |
| almalinux:glib2-fam | 2.56.4-177.el8_10 · AlmaLinux:8 | Package registry (OSV) |
| almalinux:glib2-static | 2.68.4-19.el9_8.9 · AlmaLinux:9 | Package registry (OSV) |
| almalinux:glib2-tests | 2.68.4-19.el9_8.9 · AlmaLinux:9 | Package registry (OSV) |
| almalinux:mingw32-glib2 | 2.70.1-9.el8_10 · AlmaLinux:8 | Package registry (OSV) |
| almalinux:mingw32-glib2-static | 2.70.1-9.el8_10 · AlmaLinux:8 | Package registry (OSV) |
| almalinux:mingw64-glib2 | 2.70.1-9.el8_10 · AlmaLinux:8 | Package registry (OSV) |
| almalinux:mingw64-glib2-static | 2.70.1-9.el8_10 · AlmaLinux:8 | Package registry (OSV) |
| debian:glib2.0 | 2.84.4-3~deb13u4 · Debian:13 | Package registry (OSV) |
| opensuse:glib2 | 2.84.4-160000.4.1 · openSUSE:Leap 16.0 | Package registry (OSV) |
| opensuse:glib2-doc | 2.84.4-160000.4.1 · openSUSE:Leap 16.0 | Package registry (OSV) |
| red hat:glib2-debuginfo | 0:2.68.4-19.el9_8.9 · Red Hat:enterprise_linux:9::appstream | Package registry (OSV) |
| red hat:glib2-debugsource | 0:2.68.4-19.el9_8.9 · Red Hat:enterprise_linux:9::appstream | Package registry (OSV) |
| red hat:glib2-devel | 0:2.68.4-19.el9_8.9 · Red Hat:enterprise_linux:9::appstream | Package registry (OSV) |
| red hat:glib2-devel-debuginfo | 0:2.68.4-19.el9_8.9 · Red Hat:enterprise_linux:9::appstream | Package registry (OSV) |
| red hat:glib2-doc | 0:2.68.4-19.el9_8.9 · Red Hat:enterprise_linux:9::appstream | Package registry (OSV) |
| red hat:mingw-glib2 | 0:2.70.1-9.el8_10 · Red Hat:enterprise_linux:8::crb | Package registry (OSV) |
| red hat:mingw32-glib2 | 0:2.70.1-9.el8_10 · Red Hat:enterprise_linux:8::crb | Package registry (OSV) |
| red hat:mingw32-glib2-debuginfo | 0:2.70.1-9.el8_10 · Red Hat:enterprise_linux:8::crb | Package registry (OSV) |
| red hat:mingw32-glib2-static | 0:2.70.1-9.el8_10 · Red Hat:enterprise_linux:8::crb | Package registry (OSV) |
| red hat:mingw64-glib2 | 0:2.70.1-9.el8_10 · Red Hat:enterprise_linux:8::crb | Package registry (OSV) |
| red hat:mingw64-glib2-debuginfo | 0:2.70.1-9.el8_10 · Red Hat:enterprise_linux:8::crb | Package registry (OSV) |
| red hat:mingw64-glib2-static | 0:2.70.1-9.el8_10 · Red Hat:enterprise_linux:8::crb | Package registry (OSV) |
| rocky linux:glib2 | 0:2.68.4-19.el9_8.9 · Rocky Linux:9 | Package registry (OSV) |
| rocky linux:mingw-glib2 | 0:2.70.1-9.el8_10 · Rocky Linux:8 | Package registry (OSV) |
| suse:glib2 | 2.84.4-160000.4.1 · SUSE:Linux Enterprise Server 16.0 | Package registry (OSV) |
+1
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- Anyone who can reach it over the internet can trigger it.
- No account or password is required.
- No user action is required.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- low · data can be read
- Integrity
- low · data or configuration can be modified
- Availability
- high · the service can be disrupted
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- Low
- Integrity impact
- Low
- Availability impact
- High
Weakness class (CWE)
CWE-193 · Off-by-one ErrorCVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
MITRE has no CAPEC/ATT&CK mapping for this CWE.
Change log
- Fix✗ → ✓
- SSVC exploitation— → poc
For records you follow, these changes also arrive as notifications. →
References
Show all references (19 more)Show less
- access.redhat.com/errata/RHSA-2026:55440
- access.redhat.com/errata/RHSA-2026:57015
- access.redhat.com/errata/RHSA-2026:58981
- access.redhat.com/errata/RHSA-2026:61766
- access.redhat.com/errata/RHSA-2026:61783
- access.redhat.com/errata/RHSA-2026:63135
- access.redhat.com/errata/RHSA-2026:63138
- access.redhat.com/errata/RHSA-2026:63140
- access.redhat.com/errata/RHSA-2026:65762
- access.redhat.com/errata/RHSA-2026:65763
- access.redhat.com/errata/RHSA-2026:65767
- access.redhat.com/errata/RHSA-2026:65768
- access.redhat.com/errata/RHSA-2026:65769
- access.redhat.com/errata/RHSA-2026:65770
- access.redhat.com/errata/RHSA-2026:65771
- access.redhat.com/errata/RHSA-2026:65773
- access.redhat.com/errata/RHSA-2026:66018
- access.redhat.com/errata/RHSA-2026:66357
- access.redhat.com/errata/RHSA-2026:70586
Vendor advisories and official records. Exploit/PoC links are deliberately left out.