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CVE-2018-11577

Liblouis 3.5.0 has a Segmentation fault in lou_logPrint in logging.c.

8.8 HighFix available

CVE-2018-11577 is a high vulnerability (CVSS 8.8) in Liblouis, published May 30, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.54%, the 84th percentile. Fixed in liblouis 2.6.2-21.el8.

Liblouis 3.5.0 has a Segmentation fault in lou_logPrint in logging.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

2.54%Up 1.5 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 8.8

Liblouis 3.5.0 has a Segmentation fault in lou_logPrint in logging.c.

Record
CVE-2018-11577
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-120
Updated
2026-11-02
CVE List No score

Liblouis 3.5.0 has a Segmentation fault in lou_logPrint in logging.c.

Record
CVE-2018-11577
Updated
2026-11-02
EUVDEUVD-2018-3603 No score

Liblouis 3.5.0 has a Segmentation fault in lou_logPrint in logging.c.

Record
EUVD-2018-3603
Updated
2026-11-03
GitHub AdvisoriesGHSA-68vv-qv8v-cqjw 8.8

Liblouis 3.5.0 has a Segmentation fault in lou_logPrint in logging.c.

Liblouis 3.5.0 has a Segmentation fault in lou_logPrint in logging.c.

Record
GHSA-68vv-qv8v-cqjw
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-120
Updated
2026-11-02
OSV 8.8

Liblouis 3.5.0 has a Segmentation fault in lou_logPrint in logging.c.

Record
CVE-2018-11577
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-2018-11577 8.8

Liblouis 3.5.0 has a Segmentation fault in lou_logPrint in logging.c.

Record
DEBIAN-CVE-2018-11577
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 8 moreShow less
OSVRHSA-2020:1708 7.8

Red Hat Security Advisory: liblouis security and bug fix update

Record
RHSA-2020:1708
CVSS 3.0
7.8 HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVRLSA-2020:1708 7.8

Moderate: liblouis security and bug fix update

Liblouis is an open source braille translator and back-translator named in honor of Louis Braille. It features support for computer and literary braille, supports contracted and uncontracted translation for many languages and has support for hyphenation. New languages can easily be added through tables that support a rule or dictionary based approach. Liblouis also supports math braille (Nemeth and Marburg).

Security Fix(es):

  • liblouis: Stack-based buffer overflow in function includeFile in compileTranslationTable.c (CVE-2018-11684)

  • liblouis: Stack-based buffer overflow in function compileHyphenation in compileTranslationTable.c (CVE-2018-11685)

  • liblouis: Segmentation fault in logging.c:lou_logPrint() (CVE-2018-11577)

  • liblouis: Stack-based buffer overflow in compileTranslationTable.c (CVE-2018-12085)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the Rocky Linux 8.2 Release Notes linked from the References section.

Record
RLSA-2020:1708
CVSS 3.0
7.8 HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2018-11577 8.8

Liblouis 3.5.0 has a Segmentation fault in lou_logPrint in logging.c.

Record
UBUNTU-CVE-2018-11577
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
OSVALSA-2020:1708 No score

Moderate: liblouis security and bug fix update

Liblouis is an open source braille translator and back-translator named in honor of Louis Braille. It features support for computer and literary braille, supports contracted and uncontracted translation for many languages and has support for hyphenation. New languages can easily be added through tables that support a rule or dictionary based approach. Liblouis also supports math braille (Nemeth and Marburg).

Security Fix(es):

  • liblouis: Stack-based buffer overflow in function includeFile in compileTranslationTable.c (CVE-2018-11684)

  • liblouis: Stack-based buffer overflow in function compileHyphenation in compileTranslationTable.c (CVE-2018-11685)

  • liblouis: Segmentation fault in logging.c:lou_logPrint() (CVE-2018-11577)

  • liblouis: Stack-based buffer overflow in compileTranslationTable.c (CVE-2018-12085)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.

Record
ALSA-2020:1708
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
AlmaLinux:8
 before 2.6.2-21.el8
2.6.2-21.el8
python3-louis
AlmaLinux:8
 before 2.6.2-21.el8
2.6.2-21.el8
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
Red Hat:enterprise_linux:8::appstream
 before 0:2.6.2-21.el8
0:2.6.2-21.el8
liblouis-debuginfo
Red Hat:enterprise_linux:8::appstream
 before 0:2.6.2-21.el8
0:2.6.2-21.el8
liblouis-debugsource
Red Hat:enterprise_linux:8::appstream
 before 0:2.6.2-21.el8
0:2.6.2-21.el8
liblouis-utils-debuginfo
Red Hat:enterprise_linux:8::appstream
 before 0:2.6.2-21.el8
0:2.6.2-21.el8
python3-louis
Red Hat:enterprise_linux:8::appstream
 before 0:2.6.2-21.el8
0:2.6.2-21.el8
Show 15 moreShow less
Affected packages
PackageAffectedFixed
liblouis
Rocky Linux:8
 before 0:2.6.2-21.el8
0:2.6.2-21.el8
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
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
WhenChangedSources
2026-11-03aliasesEUVD
2026-11-02createdCVE List, GitHub Advisories, NVD, OSV

References

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