How severe is CVE-2019-1010177?

CVE-2019-1010177 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-1010177 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-1010177?

CVE-2019-1010177 affects Jsish. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-1010177?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2019-1010177 published?

CVE-2019-1010177 was published on 2019-07-24 and last updated on 2026-06-17.

CVE-2019-1010177

CVE-2019-1010177 is a critical-severity vulnerability in Jsish with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-416.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (80th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-416
Affected product: Jsish
Published: 2019-07-24
Last modified: 2026-06-17

Description

Jsish 2.4.70 2.047 is affected by: Use After Free. The impact is: denial of service and possibly arbitrary code execution. The component is: function Jsi_RegExpNew (jsi/jsiRegexp.c:39). The attack vector is: executing crafted javascript code. The fixed version is: after commit 48a66c798d.

Frequently asked questions

What is CVE-2019-1010177?: Jsish 2.4.70 2.047 is affected by: Use After Free. The impact is: denial of service and possibly arbitrary code execution. The component is: function Jsi_RegExpNew (jsi/jsiRegexp.c:39). The attack vector is: executing crafted javascript code. The fixed version is: after commit 48a66c798d.
How severe is CVE-2019-1010177?: CVE-2019-1010177 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-1010177 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-1010177?: CVE-2019-1010177 affects Jsish. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-1010177?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2019-1010177 published?: CVE-2019-1010177 was published on 2019-07-24 and last updated on 2026-06-17.

References

https://jsish.org/fossil/jsi/tktview?name=65c8965977

Affected products (1)

cpe:2.3:a:jsish:jsish:2.4.70_2.047:*:*:*:*:*:*:*

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CVE-2024-43102 — Critical (CVSS 10.0): Concurrent removals of certain anonymous shared memory mappings by using the UMTX_SHM_DESTROY sub-request of…
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