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CVE-2026-104066

Scribus before 1.6.7 and 1.7.x before 1.7.4 Heap Buffer Overflow via PICT 4-bit Pixel Unpacking

8.5 High

Scribus before 1.6.7 and 1.7.x before 1.7.4 contains a heap buffer overflow vulnerability in the Mac PICT image loader and import plugin when unpacking 4-bit indexed pixel data. Attackers can supply a crafted PICT file with inconsistent width and row data that, when placed or imported, writes out of bounds, causing crashes or code execution.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
None
User interaction
Passive

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

0.21%Unchanged since Oct 31, 2026
90%50%10%1%

What each source reports

CVE List Score used 8.5

Scribus before 1.6.7 and 1.7.x before 1.7.4 Heap Buffer Overflow via PICT 4-bit Pixel Unpacking

Scribus before 1.6.7 and 1.7.x before 1.7.4 contains a heap buffer overflow vulnerability in the Mac PICT image loader and import plugin when unpacking 4-bit indexed pixel data. Attackers can supply a crafted PICT file with inconsistent width and row data that, when placed or imported, writes out of bounds, causing crashes or code execution.

Record
CVE-2026-104066
CVSS 4.0
8.5 HighCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
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-787
Updated
2026-11-03
EUVDEUVD-2026-114102 8.5

Scribus before 1.6.7 and 1.7.x before 1.7.4 contains a heap buffer overflow vulnerability in the Mac PICT image loader and import plugin when unpacking 4-bit indexed pixel data. Attackers can supply a crafted PICT file with inconsistent width and row data that, when placed or imported, writes out of bounds, causing crashes or code execution.

Record
EUVD-2026-114102
CVSS 4.0
8.5 HighCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Updated
2026-11-03
GitHub AdvisoriesGHSA-j534-3694-g2r9 8.5

Scribus before 1.6.7 contains a heap buffer overflow vulnerability in the Mac PICT image loader...

Scribus before 1.6.7 contains a heap buffer overflow vulnerability in the Mac PICT image loader and import plugin when unpacking 4-bit indexed pixel data. Attackers can supply a crafted PICT file with inconsistent width and row data that, when placed or imported, writes out of bounds, causing crashes or code execution.

Record
GHSA-j534-3694-g2r9
CVSS 4.0
8.5 HighCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
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-787
Updated
2026-11-03
NVD 8.5

Scribus before 1.6.7 and 1.7.x before 1.7.4 contains a heap buffer overflow vulnerability in the Mac PICT image loader and import plugin when unpacking 4-bit indexed pixel data. Attackers can supply a crafted PICT file with inconsistent width and row data that, when placed or imported, writes out of bounds, causing crashes or code execution.

Record
CVE-2026-104066
CVSS 4.0
8.5 HighCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
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-787
Updated
2026-11-03
OSV 8.5

Scribus before 1.6.7 and 1.7.x before 1.7.4 Heap Buffer Overflow via PICT 4-bit Pixel Unpacking

Scribus before 1.6.7 and 1.7.x before 1.7.4 contains a heap buffer overflow vulnerability in the Mac PICT image loader and import plugin when unpacking 4-bit indexed pixel data. Attackers can supply a crafted PICT file with inconsistent width and row data that, when placed or imported, writes out of bounds, causing crashes or code execution.

Record
CVE-2026-104066
CVSS 4.0
8.5 HighCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Weakness
CWE-787
Updated
2026-11-06
OSVDEBIAN-CVE-2026-104066 8.5

Scribus before 1.6.7 and 1.7.x before 1.7.4 contains a heap buffer overflow vulnerability in the Mac PICT image loader and import plugin when unpacking 4-bit indexed pixel data. Attackers can supply a crafted PICT file with inconsistent width and row data that, when placed or imported, writes out of bounds, causing crashes or code execution.

Record
DEBIAN-CVE-2026-104066
CVSS 4.0
8.5 HighCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Updated
2026-11-03
OSVUBUNTU-CVE-2026-104066 8.5

Scribus before 1.6.7 and 1.7.x before 1.7.4 contains a heap buffer overflow vulnerability in the Mac PICT image loader and import plugin when unpacking 4-bit indexed pixel data. Attackers can supply a crafted PICT file with inconsistent width and row data that, when placed or imported, writes out of bounds, causing crashes or code execution.

Record
UBUNTU-CVE-2026-104066
CVSS 4.0
8.5 HighCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
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
2026-11-05
OSVopenSUSE-SU-2026:12444-1 No score

scribus-1.6.7-1.1 on GA media

These are all security issues fixed in the scribus-1.6.7-1.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2026:12444-1
Updated
2026-11-06

Affected products

Affected packages

Affected packages
PackageAffectedFixed
scribus
Debian:12
 All versions, plus listed versions
1.5.8+dfsg-41.5.8+dfsg-51.6.2+dfsg-11.6.3+dfsg-0.11.6.3+dfsg-0.21.6.6+dfsg-0.11.6.6+dfsg-0.2
 None known
scribus
Debian:13
 All versions, plus listed versions
1.6.3+dfsg-0.21.6.6+dfsg-0.11.6.6+dfsg-0.2
 None known
scribus
Debian:14
 All versions, plus listed versions
1.6.3+dfsg-0.21.6.6+dfsg-0.11.6.6+dfsg-0.2
 None known
scribus
Ubuntu:16.04:LTS
 All versions, plus listed versions
1.4.5+dfsg1-21.4.5+dfsg1-41.4.5+dfsg1-51.4.6+dfsg-11.4.6+dfsg-1build11.4.6+dfsg-21.4.6+dfsg-2ubuntu0.1
 None known
scribus
Ubuntu:18.04:LTS
 All versions, plus listed versions
1.4.6+dfsg-4build1
 None known
scribus
Ubuntu:20.04:LTS
 All versions, plus listed versions
1.4.8+dfsg-11.4.8+dfsg-1ubuntu11.5.5+dfsg-41.5.5+dfsg-51.5.5+dfsg-5build1
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1.5.5+dfsg-5ubuntu11.5.5+dfsg-5ubuntu21.5.5+dfsg-61.5.5+dfsg-6build1
 None known
scribus
Ubuntu:22.04:LTS
 All versions, plus listed versions
1.5.7+dfsg-51.5.7+dfsg-5build11.5.7+dfsg-5build21.5.8+dfsg-11.5.8+dfsg-1ubuntu21.5.8+dfsg-2
 None known
scribus
Ubuntu:24.04:LTS
 All versions, plus listed versions
1.5.8+dfsg-4build41.5.8+dfsg-4build51.5.8+dfsg-4build61.6.1-0ubuntu11.6.1-0ubuntu21.6.1-0ubuntu51.6.1-0ubuntu61.6.1-0ubuntu7
 None known
scribus
Ubuntu:26.10
 All versions, plus listed versions
1.6.5+dfsg-0ubuntu11.6.6+dfsg-0.11.6.6+dfsg-0.2
 None known
scribus
Ubuntu:26.04:LTS
 All versions, plus listed versions
1.6.3+dfsg-0.2build21.6.3+dfsg-0.2build31.6.3+dfsg-0.2build41.6.5+dfsg-0ubuntu1
 None known
scribus
openSUSE:Tumbleweed
From an advisory covering 7 CVEs
 before 1.6.7-1.1
1.6.7-1.1

History

History
RecordedChangedSources
affected, aliases, referencesOSV
affected, aliases, referencesOSV
factsOSV
referencesEUVD, OSV
affected, aliases, referencesOSV
description, references, titleCVE List, GitHub Advisories, NVD
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

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

In short

CVE-2026-104066 is a high vulnerability (CVSS 8.5) in Scribus, published October 30, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.21%, the 11th percentile. No source names a fixed version.

References

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