Is CVE-2019-25033 in the CISA KEV catalog?

No. CVE-2019-25033 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2019-25033?

CVE-2019-25033 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2019-25033?

CVE-2019-25033 has an EPSS score of 1.78% (76th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2019-25033?

Upgrade unbound on debian 11 to 1.9.6-1 or later. Fixes are available for 20 affected products.

CVE & CISA-KEV Catalog

CVE-2019-25033

CRITICALEPSS 76th pctl

9.8

CVSS v3

NVD

Description

Unbound before 1.9.5 allows an integer overflow in the regional allocator via the ALIGN_UP macro. NOTE: The vendor disputes that this is a vulnerability. Although the code may be vulnerable, a running Unbound installation cannot be remotely or locally exploited

CWE-190Integer Overflow

How to fix

Remediation Available

unboundDebian

Fixed in:1.9.6-1CVE-2019-25033

python3-unboundRocky

Fixed in:0:1.7.3-17.el8_6.1RHSA-2024:0749

python3-unboundRed Hat / RHEL

Fixed in:0:1.7.3-17.el8_6.1RHSA-2024:0749

python3-unbound-debuginfoRocky

Fixed in:0:1.7.3-17.el8_6.1RHSA-2024:0749

python3-unbound-debuginfoRed Hat / RHEL

Fixed in:0:1.7.3-17.el8_6.1RHSA-2024:0749

unboundRed Hat / RHEL

Fixed in:0:1.7.3-17.el8_6.1RHSA-2024:0749

unboundRocky

Fixed in:0:1.7.3-17.el8_6.1RHSA-2024:0749

unbound-debuginfoRed Hat / RHEL

Fixed in:0:1.7.3-17.el8_6.1RHSA-2024:0749

unbound-debuginfoRocky

Fixed in:0:1.7.3-17.el8_6.1RHSA-2024:0749

unbound-debugsourceRocky

Fixed in:0:1.7.3-17.el8_6.1RHSA-2024:0749

unbound-debugsourceRed Hat / RHEL

Fixed in:0:1.7.3-17.el8_6.1RHSA-2024:0749

unbound-develRed Hat / RHEL

Fixed in:0:1.7.3-17.el8_6.1RHSA-2024:0749

unbound-develRocky

Fixed in:0:1.7.3-17.el8_6.1RHSA-2024:0749

unbound-libsRed Hat / RHEL

Fixed in:0:1.7.3-17.el8_6.1RHSA-2024:0749

unbound-libsRocky

Fixed in:0:1.7.3-17.el8_6.1RHSA-2024:0749

unbound-libs-debuginfoRocky

Fixed in:0:1.7.3-17.el8_6.1RHSA-2024:0749

unbound-libs-debuginfoRed Hat / RHEL

Fixed in:0:1.7.3-17.el8_6.1RHSA-2024:0749

libunbound2Ubuntu

Fixed in:1.6.7-1ubuntu2.4USN-4938-1

libunbound8Ubuntu

Fixed in:1.9.4-2ubuntu1.2USN-4938-1

unboundUbuntu

Fixed in:1.6.7-1ubuntu2.4USN-4938-1

Fixed in:1.9.4-2ubuntu1.2USN-4938-1

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

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

1.78%probability of exploitation in 30 days

76thpercentile

Elevated risk: more likely to be exploited than 76% of all known CVEs.

References

Third-Party Advisory3

Related Vulnerabilities

Other CWE-190 (Integer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-16040	Medium	6.5	100%	-	Fix
CVE-2019-11477	High	7.5	99%	-	Fix
CVE-2023-44443	High	7.8	94%	-	Fix
CVE-2014-0569	High	9.3	90%	-	-
CVE-2017-3599	High	7.5	90%	-	Fix
CVE-2023-21716	Critical	9.8	82%	-	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.