CVE-2018-17294
The matchCurrentInput function inside lou_translateString.c of Liblouis prior to 3.7 does not...
The matchCurrentInput function inside lou_translateString.c of Liblouis prior to 3.7 does not check the input string's length, allowing attackers to cause a denial of service (application crash via out-of-bounds read) by crafting an input file with certain translation dictionaries.
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
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
6.5
The matchCurrentInput function inside lou_translateString.c of Liblouis prior to 3.7 does not check the input string's length, allowing attackers to cause a denial of service (application crash via out-of-bounds read) by crafting an input file with certain translation dictionaries.
- Record
CVE-2018-17294- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:N/A:P - Weakness
- CWE-125
- Updated
- 2026-11-02
CVE List No score
The matchCurrentInput function inside lou_translateString.c of Liblouis prior to 3.7 does not check the input string's length, allowing attackers to cause a denial of service (application crash via out-of-bounds read) by crafting an input file with certain translation dictionaries.
- Record
CVE-2018-17294- Updated
- 2026-11-02
EUVDEUVD-2018-9050 No score
The matchCurrentInput function inside lou_translateString.c of Liblouis prior to 3.7 does not check the input string's length, allowing attackers to cause a denial of service (application crash via out-of-bounds read) by crafting an input file with certain translation dictionaries.
- Record
EUVD-2018-9050- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-xg7f-9m4r-jh69
6.5
The matchCurrentInput function inside lou_translateString.c of Liblouis prior to 3.7 does not...
The matchCurrentInput function inside lou_translateString.c of Liblouis prior to 3.7 does not check the input string's length, allowing attackers to cause a denial of service (application crash via out-of-bounds read) by crafting an input file with certain translation dictionaries.
- Record
GHSA-xg7f-9m4r-jh69- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Weakness
- CWE-125
- Updated
- 2026-11-02
OSV
6.5
The matchCurrentInput function inside lou_translateString.c of Liblouis prior to 3.7 does not check the input string's length, allowing attackers to cause a denial of service (application crash via out-of-bounds read) by crafting an input file with certain translation dictionaries.
- Record
CVE-2018-17294- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2018-17294
6.5
The matchCurrentInput function inside lou_translateString.c of Liblouis prior to 3.7 does not check the input string's length, allowing attackers to cause a denial of service (application crash via out-of-bounds read) by crafting an input file with certain translation dictionaries.
- Record
DEBIAN-CVE-2018-17294- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
Show 6 moreShow less
OSVUBUNTU-CVE-2018-17294
6.5
The matchCurrentInput function inside lou_translateString.c of Liblouis prior to 3.7 does not check the input string's length, allowing attackers to cause a denial of service (application crash via out-of-bounds read) by crafting an input file with certain translation dictionaries.
- Record
UBUNTU-CVE-2018-17294- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/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-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
OSVSUSE-SU-2019:13994-1 No score
Security update for liblouis
This update for liblouis and python-louis fixes the following issue:
Security issue 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).
- Record
SUSE-SU-2019:13994-1- Updated
- 2026-11-02
OSVSUSE-SU-2020:3107-1 No score
Security update for liblouis
This update for liblouis, python-luis and python3-louis fixes the following issue:
Security issue 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).
- Record
SUSE-SU-2020:3107-1- Updated
- 2026-11-02
OSVUSN-3782-1 No score
liblouis vulnerabilities
Henri Salo discovered that Liblouis incorrectly handled certain files. An attacker could possibly use this issue to execute arbitrary code. (CVE-2018-12085)
It was discovered that Liblouis incorrectly handled certain files. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 18.04 LTS. (CVE-2018-17294)
- Record
USN-3782-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
liblouisDebian:12 |
before 3.7.0-1 | 3.7.0-1 |
liblouisDebian:13 |
before 3.7.0-1 | 3.7.0-1 |
liblouisDebian:14 |
before 3.7.0-1 | 3.7.0-1 |
liblouisSUSE:Linux Enterprise Module for Desktop Applications 15 |
before 3.3.0-4.5.1 | 3.3.0-4.5.1 |
liblouisSUSE:Linux Enterprise Server 11 SP4 |
before 1.7.0-1.3.16.1 | 1.7.0-1.3.16.1 |
python-louisSUSE:Linux Enterprise Server 11 SP4 |
before 1.7.0-1.3.16.1 | 1.7.0-1.3.16.1 |
liblouisSUSE:Linux Enterprise Server for SAP Applications 11 SP4 |
before 1.7.0-1.3.16.1 | 1.7.0-1.3.16.1 |
python-louisSUSE:Linux Enterprise Server for SAP Applications 11 SP4 |
before 1.7.0-1.3.16.1 | 1.7.0-1.3.16.1 |
liblouisSUSE:Linux Enterprise Software Development Kit 12 SP5 |
before 2.6.4-6.9.24 | 2.6.4-6.9.24 |
liblouisSUSE:Linux Enterprise Server 12 SP5 |
before 2.6.4-6.9.24 | 2.6.4-6.9.24 |
Show 9 moreShow less
| Package | Affected | Fixed |
|---|---|---|
python-louisSUSE:Linux Enterprise Server 12 SP5 |
before 2.6.4-6.9.39 | 2.6.4-6.9.39 |
python3-louisSUSE:Linux Enterprise Server 12 SP5 |
before 2.6.4-6.9.41 | 2.6.4-6.9.41 |
liblouisSUSE:Linux Enterprise Server for SAP Applications 12 SP5 |
before 2.6.4-6.9.24 | 2.6.4-6.9.24 |
python-louisSUSE:Linux Enterprise Server for SAP Applications 12 SP5 |
before 2.6.4-6.9.39 | 2.6.4-6.9.39 |
python3-louisSUSE:Linux Enterprise Server for SAP Applications 12 SP5 |
before 2.6.4-6.9.41 | 2.6.4-6.9.41 |
liblouisUbuntu:18.04:LTS |
before 3.5.0-1ubuntu0.3, plus listed versions 3.0.0-3ubuntu13.3.0-13.4.1-13.5.0-13.5.0-1ubuntu0.13.5.0-1ubuntu0.2 |
3.5.0-1ubuntu0.3 |
liblouisUbuntu:14.04:LTS |
before 2.5.3-2ubuntu1.5, plus listed versions 2.5.3-22.5.3-2ubuntu12.5.3-2ubuntu1.12.5.3-2ubuntu1.22.5.3-2ubuntu1.32.5.3-2ubuntu1.4 |
2.5.3-2ubuntu1.5 |
liblouisUbuntu:16.04:LTS |
before 2.6.4-2ubuntu0.4, plus listed versions 2.6.2-22.6.4-22.6.4-2ubuntu0.12.6.4-2ubuntu0.22.6.4-2ubuntu0.3 |
2.6.4-2ubuntu0.4 |
liblouisopenSUSE:Leap 15.0 |
before 3.3.0-lp150.3.3.1 | 3.3.0-lp150.3.3.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-17294 is a medium vulnerability (CVSS 6.5) in Liblouis, published September 21, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.72%, the 86th percentile. Fixed in liblouis 3.7.0-1.
References
github.com/liblouis/liblouis/issues/635
usn.ubuntu.com/3782-1
securityfocus.com/bid/105511
github.com/liblouis/liblouis/commit/5e4089659bb49b3095fa541fa6387b4c40d7396e
lists.opensuse.org/opensuse-security-announce/2019-04/msg00038.html
nvd.nist.gov/vuln/detail/CVE-2018-17294
Show 26 moreShow less
github.com/advisories/GHSA-xg7f-9m4r-jh69
security-tracker.debian.org/tracker/CVE-2018-17294
suse.com/support/update/announcement/2019/suse-su-20190795-1
bugzilla.suse.com/1094685
bugzilla.suse.com/1095189
bugzilla.suse.com/1095825
bugzilla.suse.com/1095826
bugzilla.suse.com/1095827
bugzilla.suse.com/1095945
bugzilla.suse.com/1097103
bugzilla.suse.com/1109319
suse.com/security/cve/CVE-2018-11410
suse.com/security/cve/CVE-2018-11440
suse.com/security/cve/CVE-2018-11577
suse.com/security/cve/CVE-2018-11683
suse.com/security/cve/CVE-2018-11684
suse.com/security/cve/CVE-2018-11685
suse.com/security/cve/CVE-2018-12085
suse.com/security/cve/CVE-2018-17294
suse.com/support/update/announcement/2019/suse-su-201913994-1
suse.com/support/update/announcement/2020/suse-su-20203107-1
ubuntu.com/security/CVE-2018-17294
ubuntu.com/security/notices/USN-3782-1
cve.org/CVERecord?id=CVE-2018-17294
ubuntu.com/security/CVE-2018-12085
lists.opensuse.org/archives/list/[email protected]/thread/QCDNK5Q6ITKQTT77S47V5FM4FO26BMI5