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CVE-2018-11440

Liblouis 3.5.0 has a stack-based Buffer Overflow in the function parseChars in...

8.8 HighFix available

Liblouis 3.5.0 has a stack-based Buffer Overflow in the function parseChars in compileTranslationTable.c.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

3.02%Up 2.0 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 8.8

Liblouis 3.5.0 has a stack-based Buffer Overflow in the function parseChars in compileTranslationTable.c.

Record
CVE-2018-11440
CVSS 3.0
8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0
6.8 MediumAV:N/AC:M/Au:N/C:P/I:P/A:P
Weakness
CWE-787
Updated
2026-11-02
CVE List No score

Liblouis 3.5.0 has a stack-based Buffer Overflow in the function parseChars in compileTranslationTable.c.

Record
CVE-2018-11440
Updated
2026-11-02
EUVDEUVD-2018-3471 No score

Liblouis 3.5.0 has a stack-based Buffer Overflow in the function parseChars in compileTranslationTable.c.

Record
EUVD-2018-3471
Updated
2026-11-03
GitHub AdvisoriesGHSA-xwv4-cq25-qmfg 8.8

Liblouis 3.5.0 has a stack-based Buffer Overflow in the function parseChars in...

Liblouis 3.5.0 has a stack-based Buffer Overflow in the function parseChars in compileTranslationTable.c.

Record
GHSA-xwv4-cq25-qmfg
CVSS 3.0
8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness
CWE-787
Updated
2026-11-02
OSV 8.8

Liblouis 3.5.0 has a stack-based Buffer Overflow in the function parseChars in compileTranslationTable.c.

Record
CVE-2018-11440
CVSS 3.0
8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2018-11440 8.8

Liblouis 3.5.0 has a stack-based Buffer Overflow in the function parseChars in compileTranslationTable.c.

Record
DEBIAN-CVE-2018-11440
CVSS 3.0
8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
Show 5 moreShow less
OSVUBUNTU-CVE-2018-11440 8.8

Liblouis 3.5.0 has a stack-based Buffer Overflow in the function parseChars in compileTranslationTable.c.

Record
UBUNTU-CVE-2018-11440
CVSS 3.0
8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVopenSUSE-SU-2019:1160-1 No score

Security update for liblouis

This update for liblouis fixes the following issues:

Security issues fixed:

  • CVE-2018-17294: Fixed an out of bounds read in matchCurrentInput function which could allow a remote attacker to cause Denail of Service (bsc#1109319).
  • CVE-2018-11410: Fixed an invalid free in the compileRule function in compileTranslationTable.c (bsc#1094685)
  • CVE-2018-11440: Fixed a stack-based buffer overflow in the function parseChars() in compileTranslationTable.c (bsc#1095189)
  • CVE-2018-11577: Fixed a segmentation fault in lou_logPrint in logging.c (bsc#1095945)
  • CVE-2018-11683: Fixed a stack-based buffer overflow in the function parseChars() in compileTranslationTable.c (different vulnerability than CVE-2018-11440) (bsc#1095827)
  • CVE-2018-11684: Fixed stack-based buffer overflow in the function includeFile() in compileTranslationTable.c (bsc#1095826)
  • CVE-2018-11685: Fixed a stack-based buffer overflow in the function compileHyphenation() in compileTranslationTable.c (bsc#1095825)
  • CVE-2018-12085: Fixed a stack-based buffer overflow in the function parseChars() in compileTranslationTable.c (different vulnerability than CVE-2018-11440) (bsc#1097103)

This update was imported from the SUSE:SLE-15:Update update project.

Record
openSUSE-SU-2019:1160-1
Updated
2026-11-02
OSVSUSE-SU-2018:2780-1 No score

Security update for liblouis

This update for liblouis, python-louis, python3-louis fixes the following issues:

Security issues fixed:

  • CVE-2018-11440: Fixed a stack-based buffer overflow in the function parseChars() in compileTranslationTable.c (bsc#1095189)
  • CVE-2018-11577: Fixed a segmentation fault in lou_logPrint in logging.c (bsc#1095945)
  • CVE-2018-11683: Fixed a stack-based buffer overflow in the function parseChars() in compileTranslationTable.c (different vulnerability than CVE-2018-11440) (bsc#1095827)
  • CVE-2018-11684: Fixed stack-based buffer overflow in the function includeFile() in compileTranslationTable.c (bsc#1095826)
  • CVE-2018-11685: Fixed a stack-based buffer overflow in the function compileHyphenation() in compileTranslationTable.c (bsc#1095825)
  • CVE-2018-12085: Fixed a stack-based buffer overflow in the function parseChars() in compileTranslationTable.c (different vulnerability than CVE-2018-11440) (bsc#1097103)
Record
SUSE-SU-2018:2780-1
Updated
2026-11-02
OSVSUSE-SU-2019:0795-1 No score

Security update for liblouis

This update for liblouis fixes the following issues:

Security issues fixed:

  • CVE-2018-17294: Fixed an out of bounds read in matchCurrentInput function which could allow a remote attacker to cause Denail of Service (bsc#1109319).
  • CVE-2018-11410: Fixed an invalid free in the compileRule function in compileTranslationTable.c (bsc#1094685)
  • CVE-2018-11440: Fixed a stack-based buffer overflow in the function parseChars() in compileTranslationTable.c (bsc#1095189)
  • CVE-2018-11577: Fixed a segmentation fault in lou_logPrint in logging.c (bsc#1095945)
  • CVE-2018-11683: Fixed a stack-based buffer overflow in the function parseChars() in compileTranslationTable.c (different vulnerability than CVE-2018-11440) (bsc#1095827)
  • CVE-2018-11684: Fixed stack-based buffer overflow in the function includeFile() in compileTranslationTable.c (bsc#1095826)
  • CVE-2018-11685: Fixed a stack-based buffer overflow in the function compileHyphenation() in compileTranslationTable.c (bsc#1095825)
  • CVE-2018-12085: Fixed a stack-based buffer overflow in the function parseChars() in compileTranslationTable.c (different vulnerability than CVE-2018-11440) (bsc#1097103)
Record
SUSE-SU-2019:0795-1
Updated
2026-11-02
OSVUSN-3669-1 No score

liblouis vulnerabilities

It was discovered that Liblouis incorrectly handled certain files. An attacker could possibly use this to cause a denial of service. This issue only affected Ubuntu 18.04 LTS. (CVE-2018-11410)

It was discovered that Liblouis incorrectly handled certain files. An attacker could possibly use this to execute arbitrary code. (CVE-2018-11440)

It was discovered that Liblouis incorrectly handled certain files. An attacker could possibly use this to cause a denial of service or execute arbitrary code. (CVE-2018-11577)

Record
USN-3669-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
liblouis
Debian:12
 before 3.5.0-3
3.5.0-3
liblouis
Debian:13
 before 3.5.0-3
3.5.0-3
liblouis
Debian:14
 before 3.5.0-3
3.5.0-3
liblouis
SUSE:Linux Enterprise Desktop 12 SP3
 before 2.6.4-6.6.1
2.6.4-6.6.1
python3-louis
SUSE:Linux Enterprise Desktop 12 SP3
 before 2.6.4-6.6.1
2.6.4-6.6.1
liblouis
SUSE:Linux Enterprise Software Development Kit 12 SP3
 before 2.6.4-6.6.1
2.6.4-6.6.1
liblouis
SUSE:Linux Enterprise Server 12 SP3
 before 2.6.4-6.6.1
2.6.4-6.6.1
python-louis
SUSE:Linux Enterprise Server 12 SP3
 before 2.6.4-6.6.1
2.6.4-6.6.1
python3-louis
SUSE:Linux Enterprise Server 12 SP3
 before 2.6.4-6.6.1
2.6.4-6.6.1
liblouis
SUSE:Linux Enterprise Server for SAP Applications 12 SP3
 before 2.6.4-6.6.1
2.6.4-6.6.1
Show 7 moreShow less
Affected packages
PackageAffectedFixed
python-louis
SUSE:Linux Enterprise Server for SAP Applications 12 SP3
 before 2.6.4-6.6.1
2.6.4-6.6.1
python3-louis
SUSE:Linux Enterprise Server for SAP Applications 12 SP3
 before 2.6.4-6.6.1
2.6.4-6.6.1
liblouis
SUSE:Linux Enterprise Module for Desktop Applications 15
 before 3.3.0-4.5.1
3.3.0-4.5.1
liblouis
Ubuntu:14.04:LTS
 before 2.5.3-2ubuntu1.3, plus listed versions
2.5.3-22.5.3-2ubuntu12.5.3-2ubuntu1.12.5.3-2ubuntu1.2
2.5.3-2ubuntu1.3
liblouis
Ubuntu:16.04:LTS
 before 2.6.4-2ubuntu0.2, plus listed versions
2.6.2-22.6.4-22.6.4-2ubuntu0.1
2.6.4-2ubuntu0.2
liblouis
Ubuntu:18.04:LTS
 before 3.5.0-1ubuntu0.1, plus listed versions
3.0.0-3ubuntu13.3.0-13.4.1-13.5.0-1
3.5.0-1ubuntu0.1
liblouis
openSUSE:Leap 15.0
 before 3.3.0-lp150.3.3.1
3.3.0-lp150.3.3.1

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2018-11440 is a high vulnerability (CVSS 8.8) in Liblouis, published May 25, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.02%, the 87th percentile. Fixed in liblouis 3.5.0-3.

References

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