Is CVE-2019-17362 in the CISA KEV catalog?

No. CVE-2019-17362 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2019-17362?

CVE-2019-17362 has a CVSS v3 base score of 9.1 (CRITICAL).

What is the EPSS score for CVE-2019-17362?

CVE-2019-17362 has an EPSS score of 3.19% (87th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2019-17362?

Upgrade libtomcrypt on debian 11 to 1.18.2-3 or later. Fixes are available for 4 affected products.

CVE & CISA-KEV Catalog

CVE-2019-17362

CRITICALEPSS 87th pctl

9.1

CVSS v3

NVD

Description

In LibTomCrypt through 1.18.2, the der_decode_utf8_string function (in der_decode_utf8_string.c) does not properly detect certain invalid UTF-8 sequences. This allows context-dependent attackers to cause a denial of service (out-of-bounds read and crash) or read information from other memory locations via carefully crafted DER-encoded data.

CWE-125Out-of-bounds Read

How to fix

Remediation Available

libtomcryptDebian

Fixed in:1.18.2-3CVE-2019-17362

libtomcryptUbuntu

Fixed in:1.17-5ubuntu0.1+esm1USN-4868-1

Fixed in:1.17-7ubuntu0.1+esm1USN-4868-1

Fixed in:1.18.1-1ubuntu0.1+esm1USN-4868-1

libtomcrypt0Ubuntu

Fixed in:1.17-5ubuntu0.1+esm1USN-4868-1

Fixed in:1.17-7ubuntu0.1+esm1USN-4868-1

libtomcrypt1Ubuntu

Fixed in:1.18.1-1ubuntu0.1+esm1USN-4868-1

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 ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

3.19%probability of exploitation in 30 days

87thpercentile

Elevated risk: more likely to be exploited than 87% of all known CVEs.

References

Patch1

github.com

Exploit1

github.com

Third-Party Advisory1

lists.debian.org

Other references7

Related Vulnerabilities

Other CWE-125 (Out-of-bounds Read) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2014-0160	High	7.5	100%	KEV	Fix
CVE-2025-5777	High	7.5	100%	KEV + Ransom	Fix
CVE-2021-4034	High	7.8	95%	KEV	Fix
CVE-2023-21769	High	7.5	92%	-	Fix
CVE-2023-49285	High	8.6	89%	-	Fix
CVE-2020-8794	Critical	9.8	89%	-	Fix

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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.