Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2026-6861— Emacs: emacs: memory corruption vulnerability when processing svg css

Quick assessment

Affected
Red Hat Red Hat Enterprise Linux 10
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.

Red Hat Enterprise Linux 10是美国红帽（Red Hat）公司的一套面向企业用户的Linux操作系统。 Red Hat Enterprise Linux 10存在安全漏洞，该漏洞源于处理特制SVG CSS数据时存在内存损坏，本地用户可诱骗受害者打开恶意SVG文件，可能导致拒绝服务或信息泄露。

CVSS 6.1 · Medium EPSS 0.15% · P4
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-6861

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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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
Emacs: emacs: memory corruption vulnerability when processing svg css
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in GNU Emacs. This vulnerability, a memory corruption issue, occurs when Emacs processes specially crafted SVG (Scalable Vector Graphics) CSS (Cascading Style Sheets) data. A local user could exploit this by convincing a victim to open a malicious SVG file, which may lead to a denial of service (DoS) or potentially information disclosure.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
Off-by-one错误
Source: CVE Program / CVE List V5
Vulnerability Title
Red Hat Enterprise Linux 10 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Red Hat Enterprise Linux 10是美国红帽（Red Hat）公司的一套面向企业用户的Linux操作系统。 Red Hat Enterprise Linux 10存在安全漏洞，该漏洞源于处理特制SVG CSS数据时存在内存损坏，本地用户可诱骗受害者打开恶意SVG文件，可能导致拒绝服务或信息泄露。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Red Hat Red Hat Enterprise Linux 10 - cpe:/o:redhat:enterprise_linux:10
Red Hat Red Hat Enterprise Linux 6 - cpe:/o:redhat:enterprise_linux:6
Red Hat Red Hat Enterprise Linux 7 - cpe:/o:redhat:enterprise_linux:7
Red Hat Red Hat Enterprise Linux 8 - cpe:/o:redhat:enterprise_linux:8
Red Hat Red Hat Enterprise Linux 9 - cpe:/o:redhat:enterprise_linux:9

II. Public POCs for CVE-2026-6861

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-6861

请登录查看更多情报信息。

Same Patch Batch · Red Hat · 2026-04-22 · 8 CVEs total

CVE-2026-6859 8.8 HIGH Instructlab: instructlab: arbitrary code execution due to hardcoded `trust_remote_code=tru
CVE-2026-6855 7.1 HIGH Instructlab: instructlab: path traversal allows arbitrary directory creation and file writ
CVE-2026-6862 5.5 MEDIUM Efivar: efivar: denial of service due to stack overflow in device path node parsing
CVE-2026-6844 5.5 MEDIUM Binutils: binutils: denial of service vulnerabilities in readelf via crafted elf files
CVE-2026-6843 5.5 MEDIUM Nano: nano: format string vulnerability leads to denial of service
CVE-2026-6848 5.4 MEDIUM Quay: red hat quay: authentication bypass allows privileged actions without valid credenti
CVE-2026-6845 5.0 MEDIUM Binutils: binutils: denial of service via crafted elf file

IV. Related Vulnerabilities

Same product: Red Hat Enterprise Linux 10
Same vendor: Red Hat
Same weakness: CWE-193

V. Comments for CVE-2026-6861

No comments yet

Leave a comment