Description
A flaw was found in the way dic_unserialize function of glusterfs does not handle negative key length values. An attacker could use this flaw to read memory from other locations into the stored dict value.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Red Hat | glusterfs: | — | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | glusterfs | 4.1.4-1 | — |
| Debian 13 | glusterfs | 4.1.4-1 | — |
| Debian 12 | glusterfs | 4.1.4-1 | — |
| Debian 9 | glusterfs | 3.8.8-1+deb9u1 | DLA-2806-1 |
| Debian 8 | glusterfs | 3.5.2-2+deb8u4 | DLA-1510-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 18.04 LTS | glusterfs | 3.13.2-1ubuntu1+esm1 | USN-4770-1 |
| Ubuntu Pro 16.04 LTS | glusterfs | 3.7.6-1ubuntu1+esm1 | USN-4770-1 |
| Ubuntu Pro 14.04 LTS | glusterfs | 3.4.2-1ubuntu1+esm1 | USN-4770-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7 | glusterfs +9 | 3.12.2-18.el7 | RHSA-2018:3242, RHSA-2018:2607 |
| RHEL 7 | imgbased +1 | 1.0.29-1.el7ev | RHSA-2018:3470 |
| RHEL 7 | redhat-release-virtualization-host +1 | 4.2-7.3.el7 | RHSA-2018:3470 |
| RHEL 7 | redhat-virtualization-host +1 | 4.2-20181026.0.el7_6 | RHSA-2018:3470 |
| RHEL 6 | glusterfs +8 | 3.12.2-18.el6 | RHSA-2018:2892 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Gluster Storage 3 | glusterfs +9 | 3.12.2-18.el6 | RHSA-2018:2608, RHSA-2018:2607 |
| Red Hat Gluster Storage 3 | glusterfs-events +3 | 3.12.2-18.el6rhs | RHSA-2018:2608, RHSA-2018:2607 |
| Red Hat Gluster Storage 3 | glusterfs-resource-agents | 3.12.2-18.el7rhgs | RHSA-2018:2607 |
| Red Hat Gluster Storage 3 | redhat-release-server | 6Server-6.10.0.24.el6rhs | RHSA-2018:2608, RHSA-2018:2607 |
| Red Hat Gluster Storage 3 | redhat-storage-server | 3.4.0.0-1.el6rhs | RHSA-2018:2608, RHSA-2018:2607 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.1 | glusterfs | 3.12.15-lp151.3.3.1 | openSUSE-SU-2020:0079-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | glusterfs +9 | 3.12.2-18.amzn2 | ALAS2-2018-1128 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | glusterfs +9 | 3.12.2-18.el7 | ELSA-2018-3242 |
Advisories 11
- RHSA-2018:2607 Red Hat Security Advisory: Red Hat Gluster Storage security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jul 25, 2026
- RHSA-2018:3470 Red Hat Security Advisory: Red Hat Virtualization security and bug fix update Red Hat Security Advisories (RHSA) · Jul 1, 2026
- RHSA-2018:3242 Red Hat Security Advisory: glusterfs security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jul 1, 2026
- RHSA-2018:2892 Red Hat Security Advisory: glusterfs security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jul 1, 2026
- RHSA-2018:2608 Red Hat Security Advisory: Red Hat Gluster Storage security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jul 1, 2026
- USN-4770-1 glusterfs vulnerabilities Ubuntu Security Notices (USN) · Jun 29, 2026
- DLA-2806-1 glusterfs - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-1510-1 glusterfs - security update Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2020:0079-1 Security update for glusterfs SUSE / openSUSE Security Updates · Feb 4, 2026
- ALAS2-2018-1128 Moderate: glusterfs security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Dec 19, 2018
- ELSA-2018-3242 Moderate: glusterfs security, bug fix, and enhancement update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Nov 5, 2018
References
- https://review.gluster.org/#/c/glusterfs/+/21067/
- RHSA-2018:2607 vendor-advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10911
- [debian-lts-announce] 20180920 [SECURITY] [DLA 1510-1] glusterfs security update mailing-list
- RHSA-2018:2608 vendor-advisory
- RHSA-2018:3470 vendor-advisory
- RHSA-2018:2892 vendor-advisory
- RHSA-2018:3242 vendor-advisory
- GLSA-201904-06 vendor-advisory
- openSUSE-SU-2020:0079 vendor-advisory
- [debian-lts-announce] 20211101 [SECURITY] [DLA 2806-1] glusterfs security update mailing-list