CVE-2023-26767

Exp

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.

Published: 2023-03-16 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2023-26767 is rated High Exploit Risk (64.5/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.33%). 1 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2023-26767

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2023-26767

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-04-06 0.39% 0.33% -0.06%
2 2026-03-17 0.48% 0.39% -0.09%
3 2026-01-14 — 0.48% —

Full EPSS history (12 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2023-26767

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 3.6 [email protected]

Weakness enumeration for CVE-2023-26767

OS Trackers for CVE-2023-26767

vendor priority summary link
debian unimportant CVE-2023-26767 unimportant priority: Debian including 1 source packages (liblouis), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 3, open 2. https://security-tracker.debian.org/tracker/CVE-2023-26767
gentoo low CVE-2023-26767: 1 GLSA(s) (202409-18), 1 atom(s) (dev-libs/liblouis); latest impact low. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2023-26767
redhat medium — https://access.redhat.com/security/cve/CVE-2023-26767
suse high CVE-2023-26767 severity important: SUSE including 36 source package names (liblouis, liblouis-3.16.1-5.el9, …), 147 product×package rows across 39 product lines (SUSE CaaS Platform 4.0, SUSE Enterprise Storage 7, … (39 product lines)): Fixed 145, Known Not Affected 2. https://www.suse.com/security/cve/CVE-2023-26767/
ubuntu medium CVE-2023-26767 medium priority: Ubuntu including 1 source packages (liblouis), 8 status rows across 8 suites (bionic, focal, jammy, kinetic, lunar, trusty, upstream, xenial): released 6, ignored 1, needs-triage 1. https://ubuntu.com/security/CVE-2023-26767

Affected software / configurations for CVE-2023-26767

Vendor Product Version Raw CPE
liblouis liblouis 3.24.0 cpe:2.3:a:liblouis:liblouis:3.24.0:*:*:*:*:*:*:*

References for CVE-2023-26767

cvelogic Threat Intelligence