gnuplot v5.5 was discovered to contain a buffer overflow via the function plotrequest().
Priority HIGH 82CWE-120Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-120 and the CVSS impact.
Summary
gnuplot v5.5 was discovered to contain a buffer overflow via the function plotrequest().
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.01021 63rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
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
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 yet |
| Red Hat Enterprise Linux 8 | Affected | No fix yet |
Timeline
- 2026-10-02 Threatist record created from CVE-2020-25969
- 2026-10-03 Alias added: GHSA-8536-57cw-wqg3
References
More Gnuplot vulnerabilities
- TI-2020-15549 com_line() in command.c in gnuplot 5.4 leads to an out-of-bounds-write from strncpy()… CVSS 3.1CRITICAL 9.8
- TI-2018-13799 An issue was discovered in cairo.trm in Gnuplot 5.2.5. CVSS 3.0HIGH 7.8
- TI-2018-13798 An issue was discovered in post.trm in Gnuplot 5.2.5. CVSS 3.0HIGH 7.8
- TI-2018-13797 An issue was discovered in datafile.c in Gnuplot 5.2.5. CVSS 3.0HIGH 7.8
- TI-2020-15593 gnuplot 5.5 is affected by double free when executing print_set_output. CVSS 3.1HIGH 7.8
- TI-2017-07064 An uninitialized stack variable vulnerability in load_tic_series() in set.c in gnuplot… CVSS 3.0HIGH 7.8
Sources
- CVE-2020-25969 · CVE Program
- CVE-2020-25969 · NVD
- FIRST EPSS
- GHSA-8536-57cw-wqg3 · GitHub Advisory Database · CC BY 4.0
- CVE-2020-25969 · Red Hat security data · CC BY 4.0
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