CVE-2018-10126
LibTIFF 4.0.9 has a NULL pointer dereference in the jpeg_fdct_16x16 function in jfdctint.c.
CVE-2018-10126 is a medium vulnerability (CVSS 6.5) in Libtiff, published April 21, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.82%, the 78th percentile. No source names a fixed version.
ijg-libjpeg before 9d, as used in tiff2pdf (from LibTIFF) and other products, does not check for a NULL pointer at a certain place in jpeg_fdct_16x16 in jfdctint.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
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
ijg-libjpeg before 9d, as used in tiff2pdf (from LibTIFF) and other products, does not check for a NULL pointer at a certain place in jpeg_fdct_16x16 in jfdctint.c.
- Record
CVE-2018-10126- CVSS 3.1
- 6.5 Medium
CVSS:3.1/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-476
- Updated
- 2026-11-02
CVE List No score
ijg-libjpeg before 9d, as used in tiff2pdf (from LibTIFF) and other products, does not check for a NULL pointer at a certain place in jpeg_fdct_16x16 in jfdctint.c.
- Record
CVE-2018-10126- Updated
- 2026-11-02
EUVDEUVD-2018-2204 No score
ijg-libjpeg before 9d, as used in tiff2pdf (from LibTIFF) and other products, does not check for a NULL pointer at a certain place in jpeg_fdct_16x16 in jfdctint.c.
- Record
EUVD-2018-2204- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-qjgq-4g88-9x8v
LibTIFF 4.0.9 has a NULL pointer dereference in the jpeg_fdct_16x16 function in jfdctint.c.
LibTIFF 4.0.9 has a NULL pointer dereference in the jpeg_fdct_16x16 function in jfdctint.c.
- Record
GHSA-qjgq-4g88-9x8v- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Weakness
- CWE-476
- Updated
- 2026-11-02
OSV
ijg-libjpeg before 9d, as used in tiff2pdf (from LibTIFF) and other products, does not check for a NULL pointer at a certain place in jpeg_fdct_16x16 in jfdctint.c.
- Record
CVE-2018-10126- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2018-10126
ijg-libjpeg before 9d, as used in tiff2pdf (from LibTIFF) and other products, does not check for a NULL pointer at a certain place in jpeg_fdct_16x16 in jfdctint.c.
- Record
DEBIAN-CVE-2018-10126- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2018-10126
ijg-libjpeg before 9d, as used in tiff2pdf (from LibTIFF) and other products, does not check for a NULL pointer at a certain place in jpeg_fdct_16x16 in jfdctint.c.
- Record
UBUNTU-CVE-2018-10126- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
tiffDebian:12 |
All versions, plus listed versions 4.5.0-64.5.0-6+deb12u14.5.0-6+deb12u24.5.0-6+deb12u34.5.0-6+deb12u4 Show 18 moreShow less4.5.1+git230720-14.5.1+git230720-24.5.1+git230720-34.5.1+git230720-44.5.1+git230720-54.5.1-14.5.1~rc3-14.6.0-14.6.0-24.7.0-14.7.0-24.7.0-34.7.0-44.7.0-54.7.1-14.7.1-24.7.1-34.7.2-1 |
None known |
tiffDebian:13 |
All versions, plus listed versions 4.7.0-34.7.0-3+deb13u14.7.0-3+deb13u24.7.0-3+deb13u34.7.0-4 Show 5 moreShow less4.7.0-54.7.1-14.7.1-24.7.1-34.7.2-1 |
None known |
tiffDebian:14 |
All versions, plus listed versions 4.7.0-34.7.0-44.7.0-54.7.1-14.7.1-24.7.1-34.7.2-1 |
None known |
libjpeg-turboUbuntu:Pro:14.04:LTS |
All versions, plus listed versions 1.3.0-0ubuntu11.3.0-0ubuntu21.3.0-0ubuntu2.11.3.0-0ubuntu2.1+esm11.3.0-0ubuntu2.1+esm2 |
None known |
libjpeg6bUbuntu:Pro:14.04:LTS |
All versions, plus listed versions 6b1-3ubuntu16b1-4ubuntu16b1-4ubuntu1+esm1 |
None known |
libjpeg-turboUbuntu:Pro:16.04:LTS |
All versions, plus listed versions 1.3.0-0ubuntu21.4.2-0ubuntu11.4.2-0ubuntu21.4.2-0ubuntu31.4.2-0ubuntu3.11.4.2-0ubuntu3.31.4.2-0ubuntu3.41.4.2-0ubuntu3.4+esm1 |
None known |
libjpeg6bUbuntu:Pro:16.04:LTS |
All versions, plus listed versions 1:6b2-21:6b2-2ubuntu0.1~esm1 |
None known |
libjpeg9Ubuntu:Pro:16.04:LTS |
All versions, plus listed versions 1:9a-2ubuntu11:9b-11:9b-1ubuntu11:9b-1ubuntu1+esm1 |
None known |
libjpeg-turboUbuntu:18.04:LTS |
All versions, plus listed versions 1.5.2-0ubuntu51.5.2-0ubuntu5.18.04.11.5.2-0ubuntu5.18.04.31.5.2-0ubuntu5.18.04.41.5.2-0ubuntu5.18.04.6 |
None known |
libjpeg6bUbuntu:18.04:LTS |
All versions, plus listed versions 1:6b2-3 |
None known |
Show 19 moreShow less
| Package | Affected | Fixed |
|---|---|---|
libjpeg9Ubuntu:18.04:LTS |
All versions, plus listed versions 1:9b-2 |
None known |
libjpeg-turboUbuntu:20.04:LTS |
All versions, plus listed versions 2.0.3-0ubuntu12.0.3-0ubuntu1.20.04.12.0.3-0ubuntu1.20.04.3 |
None known |
libjpeg6bUbuntu:20.04:LTS |
All versions, plus listed versions 1:6b2-3 |
None known |
libjpeg9Ubuntu:20.04:LTS |
All versions, plus listed versions 1:9c-21:9d-1 |
None known |
libjpeg-turboUbuntu:22.04:LTS |
All versions, plus listed versions 2.0.6-0ubuntu22.0.6-0ubuntu32.1.1-0ubuntu12.1.2-0ubuntu1 |
None known |
libjpeg6bUbuntu:22.04:LTS |
All versions, plus listed versions 1:6b2-3 |
None known |
libjpeg9Ubuntu:22.04:LTS |
All versions, plus listed versions 1:9d-1 |
None known |
libjpeg-turboUbuntu:24.04:LTS |
All versions, plus listed versions 2.1.5-2ubuntu12.1.5-2ubuntu2 |
None known |
libjpeg6bUbuntu:24.04:LTS |
All versions, plus listed versions 1:6b2-3.1 |
None known |
libjpeg9Ubuntu:24.04:LTS |
All versions, plus listed versions 1:9e-11:9e-1build1 |
None known |
libjpeg-turboUbuntu:25.10 |
All versions, plus listed versions 2.1.5-3ubuntu22.1.5-4ubuntu2 |
None known |
libjpeg6bUbuntu:25.10 |
All versions, plus listed versions 1:6b2-4 |
None known |
libjpeg9Ubuntu:25.10 |
All versions, plus listed versions 1:9f-2 |
None known |
libjpeg-turboUbuntu:26.10 |
All versions, plus listed versions 2.1.5-4ubuntu41:3.1.3-4ubuntu2 |
None known |
libjpeg6bUbuntu:26.10 |
All versions, plus listed versions 1:6b2-4build1 |
None known |
libjpeg9Ubuntu:26.10 |
All versions, plus listed versions 1:9f-2build1 |
None known |
libjpeg-turboUbuntu:26.04:LTS |
All versions, plus listed versions 2.1.5-4ubuntu22.1.5-4ubuntu32.1.5-4ubuntu4 |
None known |
libjpeg6bUbuntu:26.04:LTS |
All versions, plus listed versions 1:6b2-41:6b2-4build1 |
None known |
libjpeg9Ubuntu:26.04:LTS |
All versions, plus listed versions 1:9f-21:9f-2build1 |
None known |
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | aliases | EUVD |
| 2026-11-02 | created | CVE List, GitHub Advisories, NVD, OSV |
References
bugzilla.maptools.org/show_bug.cgi?id=2786
lists.apache.org/thread.html/rf9fa47ab66495c78bb4120b0754dd9531ca2ff0430f6685ac9b07772%40%3Cdev.mina.apache.org%3E
gitlab.com/libtiff/libtiff/-/issues/128
nvd.nist.gov/vuln/detail/CVE-2018-10126
github.com/advisories/GHSA-qjgq-4g88-9x8v
security-tracker.debian.org/tracker/CVE-2018-10126
ubuntu.com/security/CVE-2018-10126
cve.org/CVERecord?id=CVE-2018-10126