Use after free in ghostscript
Priority LOW 25CWE-416Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Partial Red Hat: 2 fixed, 3 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-416 and the CVSS impact.
Summary
A use after free was found in igc_reloc_struct_ptr() of psi/igc.c of ghostscript-9.25. A local attacker could supply a specially crafted PDF file to cause a denial of service.
Why it matters now
EPSS 0.00453 39th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Partial Red Hat: 1 advisoryRed Hat: 2 fixed, 3 without a fix
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 |
|---|---|---|---|---|---|
| — | ghostscript | 9.25 | — | No fix listed | CNA |
- ghostscript Vendor— Affected 9.25 Fixed in — No fix listed CNA
Remediation
Red Hat 1 advisory
- RHSA-2021:1852 Released 2021-05-18 · Red Hat rating Moderateghostscript security, bug fix, and enhancement update
- Red Hat CodeReady Linux Builder (v. 8) ghostscript-doc-9.27-1.el8, ghostscript-tools-dvipdf-9.27-1.el8, ghostscript-tools-fonts-9.27-1.el8 +2
- Red Hat Enterprise Linux AppStream (v. 8) ghostscript-9.27-1.el8, ghostscript-x11-9.27-1.el8, libgs-9.27-1.el8
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 5 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Will not fix |
| Red Hat CodeReady Linux Builder (v. 8) | Fixed | RHSA-2021:1852 |
| Red Hat Enterprise Linux AppStream (v. 8) | Fixed | RHSA-2021:1852 |
Not affected: 1 product
- Red Hat 3scale API Management Platform 2
Timeline
- 2026-10-02 Threatist record created from CVE-2020-14373
- 2026-10-03 Alias added: GHSA-qpgp-38q3-x9pp
References
Sources
- CVE-2020-14373 · CVE Program
- CVE-2020-14373 · NVD
- FIRST EPSS
- GHSA-qpgp-38q3-x9pp · GitHub Advisory Database · CC BY 4.0
- CVE-2020-14373 · 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