CVE-2023-26767: liblouis Classic Buffer Overflow
CVSS: 7.5v3.1HighModified
AliasesUBUNTU-CVE-2023-26767DEBIAN-CVE-2023-26767openSUSE-SU-2024:12815-1
Published 16-03-2023Last modified 26-02-2025
Vulnerability summary
CVE-2023-26767 is a high (CVSS 7.5) Classic Buffer Overflow vulnerability in liblouis. EPSS estimates a 1.36% chance of exploitation in the next 30 days, higher than 71.2% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
7.5/10
010
High · v3.1 (NVD)EPSS score
1.36%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github
Advisory lineage
Upstream 0 · Downstream 6 · Related 5Timeline
- 16-03-2023PublishedVulnerability first disclosed.
- 26-02-2025Last modifiedVulnerability information updated.
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.
CVSS metrics
3 scores · 3 sources · 1 versionHigh 7.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
1.36%
Chance of exploitation in the next 30 days
Percentile
71%
Versus all other CVEs
30-day change
0.00 pp
From 1.36% on 20-09-2026
20-09-202620-10-2026
EPSS score1.36%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundLiblouis
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Debian1 product
- liblouisAll versions (No fix recorded) | < 3.24.0-2
Liblouis1 product
- liblouis3.24.0
Opensuse1 product
- liblouis&distro=openSUSE Tumbleweed< 3.25.0-1.1
Ubuntu1 product
- liblouis< 2.6.4-2ubuntu0.4+esm1 | < 3.5.0-1ubuntu0.5 | < 3.12.0-3ubuntu0.2 | < 3.20.0-2ubuntu0.2
4 vendors · 4 products
