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CVE-2026-3308

CVE-2026-3308

7.8 HighFix available

An integer overflow vulnerability in 'pdf-image.c' in Artifex's MuPDF version 1.27.0 allows an attacker to maliciously craft a PDF that can trigger an integer overflow within the 'pdf_load_image_imp' function. This allows a heap out-of-bounds write that could be exploited for arbitrary code execution.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

0.22%Up 0.2 points since Apr 1, 2026
90%50%10%1%

What each source reports

CVE List Score used 7.8

CVE-2026-3308

An integer overflow vulnerability in 'pdf-image.c' in Artifex's MuPDF version 1.27.0 allows an attacker to maliciously craft a PDF that can trigger an integer overflow within the 'pdf_load_image_imp' function. This allows a heap out-of-bounds write that could be exploited for arbitrary code execution.

Record
CVE-2026-3308
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness
CWE-190
Updated
2026-11-02
EUVDEUVD-2026-17412 7.8

An integer overflow vulnerability in 'pdf-image.c' in Artifex's MuPDF version 1.27.0 allows an attacker to maliciously craft a PDF that can trigger an integer overflow within the 'pdf_load_image_imp' function. This allows a heap out-of-bounds write that could be exploited for arbitrary code execution.

Record
EUVD-2026-17412
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
GitHub AdvisoriesGHSA-6jrq-hjxp-2x5r 7.8

An integer overflow vulnerability in 'pdf-image.c' in Artifex's MuPDF version 1.27.0 allows an...

An integer overflow vulnerability in 'pdf-image.c' in Artifex's MuPDF version 1.27.0 allows an attacker to maliciously craft a PDF that can trigger an integer overflow within the 'pdf_load_image_imp' function. This allows a heap out-of-bounds write that could be exploited for arbitrary code execution.

Record
GHSA-6jrq-hjxp-2x5r
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness
CWE-190
Updated
2026-11-02
NVD 7.8

An integer overflow vulnerability in 'pdf-image.c' in Artifex's MuPDF version 1.27.0 allows an attacker to maliciously craft a PDF that can trigger an integer overflow within the 'pdf_load_image_imp' function. This allows a heap out-of-bounds write that could be exploited for arbitrary code execution.

Record
CVE-2026-3308
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness
CWE-190
Updated
2026-11-02
OSV 7.8

CVE-2026-3308

An integer overflow vulnerability in 'pdf-image.c' in Artifex's MuPDF version 1.27.0 allows an attacker to maliciously craft a PDF that can trigger an integer overflow within the 'pdf_load_image_imp' function. This allows a heap out-of-bounds write that could be exploited for arbitrary code execution.

Record
CVE-2026-3308
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2026-3308 7.8

An integer overflow vulnerability in 'pdf-image.c' in Artifex's MuPDF version 1.27.0 allows an attacker to maliciously craft a PDF that can trigger an integer overflow within the 'pdf_load_image_imp' function. This allows a heap out-of-bounds write that could be exploited for arbitrary code execution.

Record
DEBIAN-CVE-2026-3308
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2026-3308 7.8

An integer overflow vulnerability in 'pdf-image.c' in Artifex's MuPDF version 1.27.0 allows an attacker to maliciously craft a PDF that can trigger an integer overflow within the 'pdf_load_image_imp' function. This allows a heap out-of-bounds write that could be exploited for arbitrary code execution.

Record
UBUNTU-CVE-2026-3308
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
mupdf
Debian:12
 before 1.21.1+ds2-1+deb12u1, plus listed versions
1.21.1+ds2-1
1.21.1+ds2-1+deb12u1
mupdf
Debian:13
 before 1.25.1+ds1-6+deb13u1, plus listed versions
1.25.1+ds1-6
1.25.1+ds1-6+deb13u1
mupdf
Debian:14
 before 1.27.0+ds1-4, plus listed versions
1.25.1+ds1-61.25.1+ds1-71.25.1+ds1-81.25.1+ds1-91.27.0+ds1-11.27.0+ds1-21.27.0+ds1-3
1.27.0+ds1-4
mupdf
Ubuntu:Pro:16.04:LTS
 All versions, plus listed versions
1.7-11.7a-11.7a-1ubuntu0.1~esm1
 None known
mupdf
Ubuntu:Pro:18.04:LTS
 All versions, plus listed versions
1.11+ds1-1.11.11+ds1-21.12.0+ds1-11.12.0+ds1-1ubuntu0.1~esm11.12.0+ds1-1ubuntu0.1~esm2
 None known
mupdf
Ubuntu:Pro:20.04:LTS
 All versions, plus listed versions
1.15.0+ds1-11.16.1+ds1-1ubuntu11.16.1+ds1-1ubuntu1+esm11.16.1+ds1-1ubuntu1+esm2
 None known
mupdf
Ubuntu:Pro:22.04:LTS
 All versions, plus listed versions
1.17.0+ds1-21.19.0+ds1-11.19.0+ds1-1build11.19.0+ds1-21.19.0+ds1-2ubuntu0.1~esm1
 None known
mupdf
Ubuntu:Pro:24.04:LTS
 All versions, plus listed versions
1.22.2+ds1-21.22.2+ds1-2build11.23.6+ds1-11.23.7+ds1-11.23.10+ds1-1
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1.23.10+ds1-1build11.23.10+ds1-1build21.23.10+ds1-1build31.23.10+ds1-1ubuntu0.1~esm1
 None known
mupdf
Ubuntu:25.10
 All versions, plus listed versions
1.25.1+ds1-5build21.25.1+ds1-61.25.1+ds1-7
 None known
mupdf
Ubuntu:26.10
 All versions, plus listed versions
1.27.0+ds1-3ubuntu21.27.0+ds1-3ubuntu3
 None known
mupdf
Ubuntu:26.04:LTS
 All versions, plus listed versions
1.25.1+ds1-71.25.1+ds1-7build11.25.1+ds1-7build21.27.0+ds1-2ubuntu11.27.0+ds1-3ubuntu11.27.0+ds1-3ubuntu2
 None known

History

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

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

In short

CVE-2026-3308 is a high vulnerability (CVSS 7.8) in Artifex Mupdf, published March 31, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.22%, the 12th percentile. Fixed in mupdf 1.21.1+ds2-1+deb12u1.

References

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