TI-2020-14503 Aliases CVE-2020-23258 GHSA-f97q-33hc-5qr8

An issue found in Jsish v.3.0.11 allows a remote attacker to cause a denial of service…

LOW 35CWE-787Published 2023-04-04 · Updated 2025-02-13

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Denial of service
Confidentiality · integrity · availability: None · None · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.

Summary

An issue found in Jsish v.3.0.11 allows a remote attacker to cause a denial of service via the Jsi_ValueIsNumber function in ./src/jsiValue.c file.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00999 62nd 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: None
Automatable: No
Technical impact: Partial

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

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:jsish:jsish:3.0.11:::::::*	3.0.11	Vulnerable	Jsish

cpe:2.3:a:jsish:jsish:3.0.11:*:*:*:*:*:*:* Versions 3.0.11 Vulnerable ·Jsish

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2020-23258
2026-10-03 Alias added: GHSA-f97q-33hc-5qr8

References

Exploit 1

https://github.com/pcmacdon/jsish/issues/12

Other 1

https://jsish.org/fossil/jsi2/tktview?name=2ba1d89d32

TI-2025-40399 A type confusion in jsish 2.0 allows incorrect control flow during execution of the… CVSS 3.1CRITICAL 9.8
TI-2024-16031 Jsish v3.5.0 (commit 42c694c) was discovered to contain a stack-overflow via the… CVSS 3.1CRITICAL 9.8
TI-2024-16033 Jsish v3.5.0 (commit 42c694c) was discovered to contain a use-after-free via the SplitChar at ./src/jsiUtils.c. CVSS 3.1CRITICAL 9.8
TI-2020-14504 An issue found in Jsish v.3.0.11 and before allows an attacker to cause a denial of… CVSS 3.1HIGH 7.5
TI-2024-16032 Jsish v3.5.0 was discovered to contain a heap-buffer-overflow in ./src/jsiUtils.c. CVSS 3.1CRITICAL 9.8
TI-2020-14415 Integer overflow vulnerability in function Jsi_ObjSetLength in jsish before 3.0.6, allows… CVSS 3.1CRITICAL 9.8

See all 52 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences