CVE-2023-3635

Q: How do I fix CVE-2023-3635?

Upgrade okio to 3.4.0 or later.

Q: Is CVE-2023-3635 being actively exploited?

Not that we know of. CVE-2023-3635 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 1.3% is the estimated probability that it will be exploited in the next 30 days. That is higher than 69% of all scored CVEs.

Q: How severe is CVE-2023-3635?

CVE-2023-3635 has a CVSS v3 base score of 5.9, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

Q: What does CVE-2023-3635 affect?

Published advisories record a fix for okio (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

MEDIUM

5.9

CVSS v3

NVD

Description

GzipSource does not handle an exception that might be raised when parsing a malformed gzip buffer. This may lead to denial of service of the Okio client when handling a crafted GZIP archive, by using the GzipSource class.

CWE-195 CWE-681

How to fix

Remediation Available

okioNVD

Affected:>= 2.0.0, < 3.4.0Fixed in:3.4.0CVE-2023-3635derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

1.25%probability of exploitation in 30 days

69thpercentile

Moderate risk: more likely to be exploited than 69% of all known CVEs.

References

Patch2

Related Vulnerabilities

Other CWE-195 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2022-43663	High	8.1	14%	-	-
CVE-2020-6096	High	8.1	5.4%	-	Fix
CVE-2011-3045	High	8.8	3.6%	-	Fix
CVE-2016-6560	High	8.6	1.7%	-	-
CVE-2020-1913	High	8.1	1.2%	-	-
CVE-2026-85441	High	7.5	0.7%	-	-

Common questions

How do I fix CVE-2023-3635?

Upgrade okio to 3.4.0 or later.

Is CVE-2023-3635 being actively exploited?

Not that we know of. CVE-2023-3635 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 1.3% is the estimated probability that it will be exploited in the next 30 days. That is higher than 69% of all scored CVEs.

How severe is CVE-2023-3635?

CVE-2023-3635 has a CVSS v3 base score of 5.9, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2023-3635 affect?

Published advisories record a fix for okio (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

Embed a live status badge for CVE-2023-3635

Markdown

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.