CVE-2018-7442
An issue was discovered in Leptonica through 1.75.3. The gplotMakeOutput function does not block ...
An issue was discovered in Leptonica through 1.75.3. The gplotMakeOutput function does not block '/' characters in the gplot rootname argument, potentially leading to path traversal and arbitrary file overwrite.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
An issue was discovered in Leptonica through 1.75.3. The gplotMakeOutput function does not block '/' characters in the gplot rootname argument, potentially leading to path traversal and arbitrary file overwrite.
- Record
CVE-2018-7442- CVSS 3.0
- 9.1 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - CVSS 2.0
- 6.4 Medium
AV:N/AC:L/Au:N/C:P/I:P/A:N - Weakness
- CWE-22
- Updated
- 2026-11-02
CVE List No score
An issue was discovered in Leptonica through 1.75.3. The gplotMakeOutput function does not block '/' characters in the gplot rootname argument, potentially leading to path traversal and arbitrary file overwrite.
- Record
CVE-2018-7442- Updated
- 2026-11-02
EUVDEUVD-2018-19173 No score
An issue was discovered in Leptonica through 1.75.3. The gplotMakeOutput function does not block '/' characters in the gplot rootname argument, potentially leading to path traversal and arbitrary file overwrite.
- Record
EUVD-2018-19173- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-fmvw-q9g6-wfgh
An issue was discovered in Leptonica through 1.75.3. The gplotMakeOutput function does not block ...
An issue was discovered in Leptonica through 1.75.3. The gplotMakeOutput function does not block '/' characters in the gplot rootname argument, potentially leading to path traversal and arbitrary file overwrite.
- Record
GHSA-fmvw-q9g6-wfgh- CVSS 3.0
- 9.1 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-22
- Updated
- 2026-11-02
OSV
An issue was discovered in Leptonica through 1.75.3. The gplotMakeOutput function does not block '/' characters in the gplot rootname argument, potentially leading to path traversal and arbitrary file overwrite.
- Record
CVE-2018-7442- CVSS 3.0
- 9.1 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - Updated
- 2026-11-02
OSVDEBIAN-CVE-2018-7442
An issue was discovered in Leptonica through 1.75.3. The gplotMakeOutput function does not block '/' characters in the gplot rootname argument, potentially leading to path traversal and arbitrary file overwrite.
- Record
DEBIAN-CVE-2018-7442- CVSS 3.0
- 9.1 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - Updated
- 2026-11-02
OSVUBUNTU-CVE-2018-7442
An issue was discovered in Leptonica through 1.75.3. The gplotMakeOutput function does not block '/' characters in the gplot rootname argument, potentially leading to path traversal and arbitrary file overwrite.
- Record
UBUNTU-CVE-2018-7442- CVSS 3.0
- 9.1 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - Updated
- 2026-11-02
OSVMGASA-2018-0279 No score
Updated leptonica packages fix security vulnerabilities
This update fixes a security issue (potential injection attack using gplot rootdir) originally reported in CVE-2018-3836.
This fix was incomplete and again reported in CVE-2018-7440 and CVE-2018-7442. The improved fix is included in leptonica-1.76.0.
- Record
MGASA-2018-0279- Updated
- 2026-11-02
OSVopenSUSE-SU-2024:10914-1 No score
leptonica-devel-1.80.0-1.9 on GA media
These are all security issues fixed in the leptonica-devel-1.80.0-1.9 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:10914-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
leptonlibDebian:12 |
before 1.76.0-1 | 1.76.0-1 |
leptonlibDebian:13 |
before 1.76.0-1 | 1.76.0-1 |
leptonlibDebian:14 |
before 1.76.0-1 | 1.76.0-1 |
leptonicaMageia:6 From an advisory covering 3 CVEs |
before 1.76.0-1.mga6 | 1.76.0-1.mga6 |
leptonlibUbuntu:Pro:14.04:LTS |
All versions, plus listed versions 1.69-4ubuntu11.69-4ubuntu21.69-4ubuntu31.69-4ubuntu41.70.1-11.70.1-1ubuntu0.1~esm1 |
None known |
leptonlibUbuntu:Pro:16.04:LTS |
All versions, plus listed versions 1.72-31.72-3build11.73-11.73-1ubuntu0.1~esm1 |
None known |
leptonlibUbuntu:Pro:18.04:LTS |
All versions, plus listed versions 1.74.4-11.74.4-21.75.3-11.75.3-21.75.3-31.75.3-3ubuntu0.1~esm1 |
None known |
leptonicaopenSUSE:Tumbleweed From an advisory covering 7 CVEs |
before 1.80.0-1.9 | 1.80.0-1.9 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| 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-2018-7442 is a critical vulnerability (CVSS 9.1) in Leptonica, published February 23, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.99%, the 80th percentile. Fixed in leptonlib 1.76.0-1.
References
lists.debian.org/debian-lts/2018/02/msg00086.html
security.gentoo.org/glsa/202312-01
nvd.nist.gov/vuln/detail/CVE-2018-7442
github.com/advisories/GHSA-fmvw-q9g6-wfgh
security-tracker.debian.org/tracker/CVE-2018-7442
advisories.mageia.org/MGASA-2018-0279.html
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bugs.mageia.org/show_bug.cgi?id=23130
bugzilla.redhat.com/show_bug.cgi?id=1549735
ubuntu.com/security/CVE-2018-7442
cve.org/CVERecord?id=CVE-2018-7442
suse.com/security/cve/CVE-2017-18196