Is CVE-2023-26767 in the CISA KEV catalog?

No. CVE-2023-26767 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-26767?

CVE-2023-26767 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2023-26767?

CVE-2023-26767 has an EPSS score of 1.34% (68th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-26767?

Upgrade liblouis on debian 13 to 3.24.0-2 or later. Fixes are available for 16 affected products.

CVE & CISA-KEV Catalog

CVE-2023-26767

HIGH

7.5

CVSS v3

NVD

Description

Buffer Overflow vulnerability found in Liblouis v.3.24.0 allows a remote attacker to cause a denial of service via the lou_logFile function at logginc.c endpoint.

CWE-120Classic Buffer Overflow

How to fix

Remediation Available

liblouisDebian

Fixed in:3.24.0-2CVE-2023-26767

liblouisRocky

Fixed in:0:3.16.1-5.el9RHSA-2023:6385

liblouisRed Hat / RHEL

Fixed in:0:3.16.1-5.el9RHSA-2023:6385

liblouis-debuginfoRed Hat / RHEL

Fixed in:0:3.16.1-5.el9RHSA-2023:6385

liblouis-debuginfoRocky

Fixed in:0:3.16.1-5.el9RHSA-2023:6385

liblouis-debugsourceRed Hat / RHEL

Fixed in:0:3.16.1-5.el9RHSA-2023:6385

liblouis-debugsourceRocky

Fixed in:0:3.16.1-5.el9RHSA-2023:6385

liblouis-utils-debuginfoRed Hat / RHEL

Fixed in:0:3.16.1-5.el9RHSA-2023:6385

liblouis-utils-debuginfoRocky

Fixed in:0:3.16.1-5.el9RHSA-2023:6385

python3-louisRocky

Fixed in:0:3.16.1-5.el9RHSA-2023:6385

python3-louisRed Hat / RHEL

Fixed in:0:3.16.1-5.el9RHSA-2023:6385

liblouisUbuntu

Fixed in:2.6.4-2ubuntu0.4+esm1USN-5996-1

Fixed in:3.5.0-1ubuntu0.5USN-5996-1

Fixed in:3.12.0-3ubuntu0.2USN-5996-1

Fixed in:3.20.0-2ubuntu0.2USN-5996-1

Fixed in:3.22.0-2ubuntu0.1USN-5996-1

Fixed in:3.24.0-1ubuntu0.1USN-5996-2

liblouis-binUbuntu

Fixed in:2.6.4-2ubuntu0.4+esm1USN-5996-1

Fixed in:3.5.0-1ubuntu0.5USN-5996-1

Fixed in:3.12.0-3ubuntu0.2USN-5996-1

Fixed in:3.20.0-2ubuntu0.2USN-5996-1

Fixed in:3.22.0-2ubuntu0.1USN-5996-1

Fixed in:3.24.0-1ubuntu0.1USN-5996-2

liblouis20Ubuntu

Fixed in:3.12.0-3ubuntu0.2USN-5996-1

Fixed in:3.20.0-2ubuntu0.2USN-5996-1

Fixed in:3.22.0-2ubuntu0.1USN-5996-1

Fixed in:3.24.0-1ubuntu0.1USN-5996-2

liblouis9Ubuntu

Fixed in:2.6.4-2ubuntu0.4+esm1USN-5996-1

python-louisUbuntu

Fixed in:3.5.0-1ubuntu0.5USN-5996-1

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

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

1.34%probability of exploitation in 30 days

68thpercentile

Moderate risk: more likely to be exploited than 68% of all known CVEs.

References

Patch2

Related Vulnerabilities

Other CWE-120 (Classic Buffer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2014-0195	Medium	6.8	100%	-	Fix
CVE-2017-7269	Critical	9.8	100%	KEV	-
CVE-2019-11043	High	8.7	99%	KEV + Ransom	Fix
CVE-2011-4862	High	10.0	95%	-	Fix
CVE-2007-5659	High	7.8	94%	KEV	Fix
CVE-2022-3786	High	7.5	91%	-	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.