CVE-2026-104064— Scribus before 1.6.7 Heap Overflow via TIFF Tile Buffer Handling

Quick assessment

Affected

Scribus Scribus

Exploitation

No confirmed in-the-wild exploitation; assess based on exposure

Recommended action

Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Scribus 1.6.7 之前的版本在 TIFF 加载器中存在整数溢出漏洞。攻击者可构造具有异常大瓦片（tile）宽度、高度和采样数值的瓦片 TIFF 文件，诱使用户导入，从而触发堆溢出。该漏洞可导致堆内存被破坏，进而造成 Scribus 崩溃或被执行恶意代码。

CVSS 7.8 · High Updated Oct 30, 2026

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution

Get alerts for future matching vulnerabilities Log in to subscribe

Vulnerability Information

Have questions about the vulnerability? See if Shenlong's analysis helps!

View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title

Scribus before 1.6.7 Heap Overflow via TIFF Tile Buffer Handling

Source: CVE Program / CVE List V5

Vulnerability Description

Scribus before 1.6.7 contains an integer overflow vulnerability in the scimgdataloader_tiff TIFF loader that allows attackers to trigger a heap overflow via crafted tile dimensions. Attackers can supply a tiled TIFF with large tile width, height and sample values for a user to import, corrupting heap memory to crash Scribus or execute code.

Source: CVE Program / CVE List V5

CVSS Information

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Source: CVE Program / CVE List V5

Vulnerability Type

整数溢出或超界折返

Source: CVE Program / CVE List V5

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
Scribus	Scribus	0 ~ 1.6.7	-

II. Public POCs for CVE-2026-104064

#	POC Description	Source Link	Shenlong Link

AI-Generated POC Premium

No public POC found.

III. Intelligence Information for CVE-2026-104064

请登录查看更多情报信息。

Other References for CVE-2026-104064 (4)

https://wiki.scribus.net/canvas/1.6.7_Release release-notes
https://github.com/scribusproject/scribus product
https://github.com/scribusproject/scribus/commit/b3e2be4e0f4063991c0b3af1c1447218ed33f0cc patch
https://www.vulncheck.com/advisories/scribus-before-1.6.7-heap-overflow-via-tiff-tile-buffer-handling third-party-advisory

https://www.cve.org/CVERecord?id=CVE-2026-104064

Same Patch Batch · Scribus · 2026-10-30 · 7 CVEs total

CVE-2026-104062	7.8 HIGH	Scribus before 1.6.7 Heap Buffer Overflow via PICT Pixmap Loader
CVE-2026-104065	7.8 HIGH	Scribus before 1.6.7 Heap Out-of-Bounds Write via Micrografx Draw Import
CVE-2026-104067	7.8 HIGH	Scribus before 1.6.7 Out-of-Bounds Memory Access via SVM Import Plugin
CVE-2026-104066	7.8 HIGH	Scribus before 1.6.7 Heap Buffer Overflow via PICT 4-bit Pixel Unpacking
CVE-2026-104061	7.8 HIGH	Scribus before 1.6.7 Heap Out-of-Bounds Write via PSD Image Loader
CVE-2026-104063	6.1 MEDIUM	Scribus before 1.6.7 Out-of-Bounds Read via PICT Planar Image Data

IV. Related Vulnerabilities

Same product: Scribus

Same vendor: Scribus

Same weakness: CWE-190