A global buffer overflow in the genmp_writefontmacro_latex component in genmp.c of…
Priority LOW 26CWE-120Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Will not fix Red Hat: no fix planned
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-120 and the CVSS impact.
Summary
A global buffer overflow in the genmp_writefontmacro_latex component in genmp.c of fig2dev 3.2.7b allows attackers to cause a denial of service (DOS) via converting a xfig file into mp format.
Why it matters now
EPSS 0.00661 51st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Will not fix Red Hat: no fix planned
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 · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:fig2dev_project:fig2dev:3.2.7b:*:*:*:*:*:*:* | 3.2.7b | Vulnerable | Fig2dev Project |
- cpe:2.3:a:fig2dev_project:fig2dev:3.2.7b:*:*:*:*:*:*:* Versions 3.2.7b Vulnerable ·Fig2dev Project
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Out of support scope |
Timeline
- 2026-10-02 Threatist record created from CVE-2020-21678
- 2026-10-03 Alias added: GHSA-52q9-xmqx-qqh8
- 2026-10-07 EPSS moved to the 50th–90th percentile
References
More Fig2dev Project Fig2dev vulnerabilities
- TI-2025-22408 fig2dev float point exception CVSS 3.1MEDIUM 6.6
- TI-2018-11540 A buffer underwrite vulnerability in get_line() (read.c) in fig2dev 3.2.7a allows an… CVSS 3.0HIGH 7.8
- TI-2025-29121 Xfig: xfig: stack-overflow allows possible code execution via local input manipulation CVSS 3.1HIGH 7.8
- TI-2021-02512 Memory corruption in fig2dev CVSS 3.1HIGH 7.1
- TI-2025-22410 fig2dev heap-buffer overflow CVSS 3.1MEDIUM 6.6
- TI-2025-22409 fig2dev segmentation fault CVSS 3.1MEDIUM 6.6
Sources
- CVE-2020-21678 · CVE Program
- CVE-2020-21678 · NVD
- FIRST EPSS
- GHSA-52q9-xmqx-qqh8 · GitHub Advisory Database · CC BY 4.0
- CVE-2020-21678 · 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