A stack-based buffer overflow within GNOME gcab through 0.7.4 can be exploited by…
Priority LOW 38CWE-787Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-787 and the CVSS impact.
Summary
A stack-based buffer overflow within GNOME gcab through 0.7.4 can be exploited by malicious attackers to cause a crash or, potentially, execute arbitrary code via a crafted .cab file.
Why it matters now
EPSS 0.02185 82nd percentileScored 2026-11-07
Fix Fixed Red Hat: 1 advisory
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 15
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:fedoraproject:fedora:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Fedoraproject |
| cpe:2.3:a:gnome:gcab:*:*:*:*:*:*:*:* | up to 0.7.4 | Vulnerable | GNOME |
| cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* | 16.04 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:* | 17.10 | Vulnerable | Canonical |
| cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | 9.0 | Vulnerable | Debian |
| cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:*:*:*:*:*:*:* | 7.4 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:* | 7.6 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server_eus:7.4:*:*:*:*:*:*:* | 7.4 | Vulnerable | Red Hat |
- cpe:2.3:o:fedoraproject:fedora:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Fedoraproject
- cpe:2.3:a:gnome:gcab:*:*:*:*:*:*:*:* Versions up to 0.7.4 Vulnerable ·GNOME
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* Versions 16.04 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:* Versions 17.10 Vulnerable ·Canonical
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian
- cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:*:*:*:*:*:*:* Versions 7.4 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:* Versions 7.6 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_server_eus:7.4:*:*:*:*:*:*:* Versions 7.4 Vulnerable ·Red Hat
Show 5 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:* | 7.5 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:* | 7.6 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server_tus:7.4:*:*:*:*:*:*:* | 7.4 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:* | 7.6 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | Red Hat |
- cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:* Versions 7.5 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:* Versions 7.6 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_server_tus:7.4:*:*:*:*:*:*:* Versions 7.4 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:* Versions 7.6 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
Remediation
Red Hat 1 advisory
- RHSA-2018:0350 Released 2018-02-26 · Red Hat rating Importantgcab security update
- Red Hat Enterprise Linux Client (v. 7) gcab-0.7-4.el7_4, libgcab1-0.7-4.el7_4
- Red Hat Enterprise Linux Client Optional (v. 7) gcab-0.7-4.el7_4, libgcab1-devel-0.7-4.el7_4
- Red Hat Enterprise Linux ComputeNode (v. 7) gcab-0.7-4.el7_4, libgcab1-0.7-4.el7_4
- Red Hat Enterprise Linux ComputeNode Optional (v. 7) gcab-0.7-4.el7_4, libgcab1-devel-0.7-4.el7_4
- Red Hat Enterprise Linux Server (v. 7) gcab-0.7-4.el7_4, libgcab1-0.7-4.el7_4, libgcab1-0.7-4.el7_4.ppc
- Red Hat Enterprise Linux Server Optional (v. 7) gcab-0.7-4.el7_4, libgcab1-devel-0.7-4.el7_4, libgcab1-devel-0.7-4.el7_4.ppc
- Red Hat Enterprise Linux Workstation (v. 7) gcab-0.7-4.el7_4, libgcab1-0.7-4.el7_4
- Red Hat Enterprise Linux Workstation Optional (v. 7) gcab-0.7-4.el7_4, libgcab1-devel-0.7-4.el7_4
- Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) gcab-0.7-4.el7_4, libgcab1-0.7-4.el7_4
- Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) gcab-0.7-4.el7_4, libgcab1-devel-0.7-4.el7_4
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux Client (v. 7) | Fixed | RHSA-2018:0350 |
| Red Hat Enterprise Linux Client Optional (v. 7) | Fixed | RHSA-2018:0350 |
| Red Hat Enterprise Linux ComputeNode (v. 7) | Fixed | RHSA-2018:0350 |
| Red Hat Enterprise Linux ComputeNode Optional (v. 7) | Fixed | RHSA-2018:0350 |
| Red Hat Enterprise Linux Server (v. 7) | Fixed | RHSA-2018:0350 |
| Red Hat Enterprise Linux Server Optional (v. 7) | Fixed | RHSA-2018:0350 |
| Red Hat Enterprise Linux Workstation (v. 7) | Fixed | RHSA-2018:0350 |
| Red Hat Enterprise Linux Workstation Optional (v. 7) | Fixed | RHSA-2018:0350 |
| Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) | Fixed | RHSA-2018:0350 |
| Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) | Fixed | RHSA-2018:0350 |
Not affected: 1 product
- Red Hat Enterprise Linux 8
Timeline
- 2026-10-02 Threatist record created from CVE-2018-5345
- 2026-10-03 Alias added: GHSA-28gw-xjhw-6cm5
References
Sources
- CVE-2018-5345 · CVE Program
- CVE-2018-5345 · NVD
- FIRST EPSS
- GHSA-28gw-xjhw-6cm5 · GitHub Advisory Database · CC BY 4.0
- CVE-2018-5345 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences