7.5

CVE-2023-26769: liblouis Classic Buffer Overflow

CVSS: 7.5v3.1HighModified
AliasesUBUNTU-CVE-2023-26769DEBIAN-CVE-2023-26769
Published 16-03-2023Last modified 09-07-2026

Vulnerability summary

CVE-2023-26769 is a high (CVSS 7.5) Classic Buffer Overflow vulnerability in liblouis. EPSS estimates a 1.16% chance of exploitation in the next 30 days, higher than 66.5% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
1.16%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 7 · Related 6

Timeline

  1. 16-03-2023
    PublishedVulnerability first disclosed.
  2. 09-07-2026
    Last modifiedVulnerability information updated.

Description

Buffer Overflow vulnerability found in Liblouis Lou_Trace v.3.24.0 allows a remote attacker to cause a denial of service via the resolveSubtable function at compileTranslationTabel.c.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

1.16%

Chance of exploitation in the next 30 days

Percentile

67%

Versus all other CVEs

30-day change

0.00 pp

From 1.16% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.16%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • liblouisAll versions (No fix recorded) | < 3.24.0-2
Liblouis1 product
Ubuntu1 product
  • liblouis< 2.6.4-2ubuntu0.4+esm1 | < 3.5.0-1ubuntu0.5 | < 3.12.0-3ubuntu0.2 | < 3.20.0-2ubuntu0.2

3 vendors · 3 products

References

9 links