CVE-2018-11577: canonical ubuntu_linux Classic Buffer Overflow
CVSS: 8.8v3.0HighModified
AliasesUBUNTU-CVE-2018-11577DEBIAN-CVE-2018-11577
Published 31-05-2018Last modified 05-08-2024
Vulnerability summary
CVE-2018-11577 is a high (CVSS 8.8) Classic Buffer Overflow vulnerability in canonical ubuntu_linux. EPSS estimates a 2.54% chance of exploitation in the next 30 days, higher than 84.6% of scored vulnerabilities. 2 public exploits are recorded.
CVSS score
8.8/10
010
High · v3.0 (NVD)EPSS score
2.54%
0%100%
Low · -0.04 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits2github
Advisory lineage
Upstream 0 · Downstream 5 · Related 4Timeline
- 31-05-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
Liblouis 3.5.0 has a Segmentation fault in lou_logPrint in logging.c.
CVSS metrics
4 scores · 3 sources · 2 versionsHigh 8.8Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated8.8HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated8.8HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Medium 6.8Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
2.54%
Chance of exploitation in the next 30 days
Percentile
85%
Versus all other CVEs
30-day change
-0.04 pp
From 2.58% on 18-09-2026
18-09-202618-10-2026
EPSS score2.54%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
2 foundFuzzing Pocs
Maturity: poc
Liblouis
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Canonical1 product
- ubuntu_linuxEOL14.04 | 16.04 | 17.10 | 18.04
Debian1 product
- liblouis< 3.5.0-3
Liblouis1 product
- liblouis3.5.0
Opensuse1 product
- leapEOL15.0
Ubuntu1 product
- liblouis< 2.5.3-2ubuntu1.3 | < 2.6.4-2ubuntu0.2 | < 3.5.0-1ubuntu0.1
5 vendors · 5 products
References
8 links- github.com/Edward-L/fuzzing-pocs/tree/master/liblouisX Refsource MISCExploitThird Party AdvisoryREPORT
- lists.opensuse.org/opensuse-security-announce/2019-04/msg00038.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory