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

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2025-49179— Xorg-x11-server-xwayland: xorg-x11-server: tigervnc: integer overflow in x record extension

CVSS 7.3 · High EPSS 0.31% · P24

Possible ATT&CK Techniques 1AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 47

VendorProductVersion RangeStatus
Red HatRed Hat Enterprise Linux 100:24.1.5-4.el10_0< *unaffected
Red HatRed Hat Enterprise Linux 6anyaffected
Red HatRed Hat Enterprise Linux 6 Extended Lifecycle Support - EXTENSION0:1.1.0-25.el6_10.1< *unaffected
Red HatRed Hat Enterprise Linux 7 Extended Lifecycle Support0:1.20.4-32.el7_9< *unaffected
0:1.8.0-36.el7_9.2< *unaffected
Red HatRed Hat Enterprise Linux 7.7 Advanced Update Support0:1.8.0-17.el7_7.1< *unaffected
Red HatRed Hat Enterprise Linux 80:1.20.11-26.el8_10< *unaffected
0:21.1.3-18.el8_10< *unaffected
0:1.15.0-7.el8_10< *unaffected
Red HatRed Hat Enterprise Linux 8.2 Advanced Update Support0:1.9.0-15.el8_2.14< *unaffected
0:1.20.6-4.el8_2< *unaffected
Red HatRed Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support0:1.20.10-2.el8_4< *unaffected
0:1.11.0-8.el8_4.13< *unaffected
Red HatRed Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On0:1.20.10-2.el8_4< *unaffected
0:1.11.0-8.el8_4.13< *unaffected
Red HatRed Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support0:1.12.0-6.el8_6.14< *unaffected
0:21.1.3-2.el8_6.4< *unaffected
0:1.20.11-5.el8_6.3< *unaffected
Red HatRed Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On0:1.12.0-6.el8_6.14< *unaffected
0:21.1.3-2.el8_6.4< *unaffected
Red HatRed Hat Enterprise Linux 8.6 Telecommunications Update Service0:1.12.0-6.el8_6.14< *unaffected
0:21.1.3-2.el8_6.4< *unaffected
0:1.20.11-5.el8_6.3< *unaffected
Red HatRed Hat Enterprise Linux 8.6 Update Services for SAP Solutions0:1.12.0-6.el8_6.14< *unaffected
0:21.1.3-2.el8_6.4< *unaffected
0:1.20.11-5.el8_6.3< *unaffected
Red HatRed Hat Enterprise Linux 8.8 Extended Update Support Long-Life Add-On0:1.20.11-16.el8_8< *unaffected
0:21.1.3-11.el8_8< *unaffected
Red HatRed Hat Enterprise Linux 8.8 Telecommunications Update Service0:1.20.11-16.el8_8< *unaffected
0:1.12.0-15.el8_8.14< *unaffected
0:21.1.3-11.el8_8< *unaffected
Red HatRed Hat Enterprise Linux 8.8 Update Services for SAP Solutions0:1.20.11-16.el8_8< *unaffected
0:1.12.0-15.el8_8.14< *unaffected
0:21.1.3-11.el8_8< *unaffected
Red HatRed Hat Enterprise Linux 90:1.20.11-31.el9_6< *unaffected
0:23.2.7-4.el9_6< *unaffected
0:1.14.1-8.el9_6< *unaffected
Red HatRed Hat Enterprise Linux 9.0 Update Services for SAP Solutions0:21.1.3-3.el9_0< *unaffected
0:1.20.11-11.el9_0< *unaffected
0:1.11.0-22.el9_0.15< *unaffected
Red HatRed Hat Enterprise Linux 9.2 Update Services for SAP Solutions0:21.1.3-8.el9_2< *unaffected
0:1.20.11-18.el9_2< *unaffected
0:1.12.0-14.el9_2.12< *unaffected
Red HatRed Hat Enterprise Linux 9.4 Extended Update Support0:22.1.9-6.el9_4< *unaffected
0:1.20.11-26.el9_4< *unaffected
0:1.13.1-8.el9_4.7< *unaffected
X.Orgxwayland< 24.1.7affected
Get alerts for future matching vulnerabilitiesLog in to subscribe

I. Basic Information for CVE-2025-49179

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
Xorg-x11-server-xwayland: xorg-x11-server: tigervnc: integer overflow in x record extension
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in the X Record extension. The RecordSanityCheckRegisterClients function does not check for an integer overflow when computing request length, which allows a client to bypass length checks.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/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
Vulnerability Title
X.org X Record Extension 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
X.org X Record Extension是X.org基金会的一款用于记录和报告的扩展。 X.org X Record Extension存在输入验证错误漏洞，该漏洞源于整数溢出检查不足，可能导致绕过长度检查。
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

VendorProductAffected VersionsCPESubscribe
X.Orgxwayland 0 ~ 24.1.7 -
Red HatRed Hat Enterprise Linux 10 0:24.1.5-4.el10_0 ~ * cpe:/o:redhat:enterprise_linux:10.0
Red HatRed Hat Enterprise Linux 6 Extended Lifecycle Support - EXTENSION 0:1.1.0-25.el6_10.1 ~ * cpe:/o:redhat:rhel_els:6
Red HatRed Hat Enterprise Linux 7.7 Advanced Update Support 0:1.8.0-17.el7_7.1 ~ * cpe:/o:redhat:rhel_aus:7.7::server
Red HatRed Hat Enterprise Linux 7 Extended Lifecycle Support 0:1.20.4-32.el7_9 ~ * cpe:/o:redhat:rhel_els:7
Red HatRed Hat Enterprise Linux 7 Extended Lifecycle Support 0:1.8.0-36.el7_9.2 ~ * cpe:/o:redhat:rhel_els:7
Red HatRed Hat Enterprise Linux 8 0:1.20.11-26.el8_10 ~ * cpe:/a:redhat:enterprise_linux:8::appstream
Red HatRed Hat Enterprise Linux 8 0:21.1.3-18.el8_10 ~ * cpe:/a:redhat:enterprise_linux:8::appstream
Red HatRed Hat Enterprise Linux 8 0:1.15.0-7.el8_10 ~ * cpe:/a:redhat:enterprise_linux:8::appstream
Red HatRed Hat Enterprise Linux 8.2 Advanced Update Support 0:1.9.0-15.el8_2.14 ~ * cpe:/a:redhat:rhel_aus:8.2::appstream
Red HatRed Hat Enterprise Linux 8.2 Advanced Update Support 0:1.20.6-4.el8_2 ~ * cpe:/a:redhat:rhel_aus:8.2::appstream
Red HatRed Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support 0:1.20.10-2.el8_4 ~ * cpe:/a:redhat:rhel_aus:8.4::appstream
Red HatRed Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support 0:1.11.0-8.el8_4.13 ~ * cpe:/a:redhat:rhel_aus:8.4::appstream
Red HatRed Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On 0:1.20.10-2.el8_4 ~ * cpe:/a:redhat:rhel_aus:8.4::appstream
Red HatRed Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On 0:1.11.0-8.el8_4.13 ~ * cpe:/a:redhat:rhel_aus:8.4::appstream
Red HatRed Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support 0:1.12.0-6.el8_6.14 ~ * cpe:/a:redhat:rhel_aus:8.6::appstream
Red HatRed Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support 0:21.1.3-2.el8_6.4 ~ * cpe:/a:redhat:rhel_aus:8.6::appstream
Red HatRed Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support 0:1.20.11-5.el8_6.3 ~ * cpe:/a:redhat:rhel_aus:8.6::appstream
Red HatRed Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On 0:1.12.0-6.el8_6.14 ~ * cpe:/a:redhat:rhel_aus:8.6::appstream
Red HatRed Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On 0:21.1.3-2.el8_6.4 ~ * cpe:/a:redhat:rhel_aus:8.6::appstream
Red HatRed Hat Enterprise Linux 8.6 Telecommunications Update Service 0:1.12.0-6.el8_6.14 ~ * cpe:/a:redhat:rhel_aus:8.6::appstream
Red HatRed Hat Enterprise Linux 8.6 Telecommunications Update Service 0:21.1.3-2.el8_6.4 ~ * cpe:/a:redhat:rhel_aus:8.6::appstream
Red HatRed Hat Enterprise Linux 8.6 Telecommunications Update Service 0:1.20.11-5.el8_6.3 ~ * cpe:/a:redhat:rhel_aus:8.6::appstream
Red HatRed Hat Enterprise Linux 8.6 Update Services for SAP Solutions 0:1.12.0-6.el8_6.14 ~ * cpe:/a:redhat:rhel_aus:8.6::appstream
Red HatRed Hat Enterprise Linux 8.6 Update Services for SAP Solutions 0:21.1.3-2.el8_6.4 ~ * cpe:/a:redhat:rhel_aus:8.6::appstream
Red HatRed Hat Enterprise Linux 8.6 Update Services for SAP Solutions 0:1.20.11-5.el8_6.3 ~ * cpe:/a:redhat:rhel_aus:8.6::appstream
Red HatRed Hat Enterprise Linux 8.8 Extended Update Support Long-Life Add-On 0:1.20.11-16.el8_8 ~ * cpe:/a:redhat:rhel_e4s:8.8::appstream
Red HatRed Hat Enterprise Linux 8.8 Extended Update Support Long-Life Add-On 0:21.1.3-11.el8_8 ~ * cpe:/a:redhat:rhel_e4s:8.8::appstream
Red HatRed Hat Enterprise Linux 8.8 Telecommunications Update Service 0:1.20.11-16.el8_8 ~ * cpe:/a:redhat:rhel_e4s:8.8::appstream
Red HatRed Hat Enterprise Linux 8.8 Telecommunications Update Service 0:1.12.0-15.el8_8.14 ~ * cpe:/a:redhat:rhel_e4s:8.8::appstream
Red HatRed Hat Enterprise Linux 8.8 Telecommunications Update Service 0:21.1.3-11.el8_8 ~ * cpe:/a:redhat:rhel_e4s:8.8::appstream
Red HatRed Hat Enterprise Linux 8.8 Update Services for SAP Solutions 0:1.20.11-16.el8_8 ~ * cpe:/a:redhat:rhel_e4s:8.8::appstream
Red HatRed Hat Enterprise Linux 8.8 Update Services for SAP Solutions 0:1.12.0-15.el8_8.14 ~ * cpe:/a:redhat:rhel_e4s:8.8::appstream
Red HatRed Hat Enterprise Linux 8.8 Update Services for SAP Solutions 0:21.1.3-11.el8_8 ~ * cpe:/a:redhat:rhel_e4s:8.8::appstream
Red HatRed Hat Enterprise Linux 9 0:1.20.11-31.el9_6 ~ * cpe:/a:redhat:enterprise_linux:9::appstream
Red HatRed Hat Enterprise Linux 9 0:23.2.7-4.el9_6 ~ * cpe:/a:redhat:enterprise_linux:9::appstream
Red HatRed Hat Enterprise Linux 9 0:1.14.1-8.el9_6 ~ * cpe:/a:redhat:enterprise_linux:9::appstream
Red HatRed Hat Enterprise Linux 9.0 Update Services for SAP Solutions 0:21.1.3-3.el9_0 ~ * cpe:/a:redhat:rhel_e4s:9.0::appstream
Red HatRed Hat Enterprise Linux 9.0 Update Services for SAP Solutions 0:1.20.11-11.el9_0 ~ * cpe:/a:redhat:rhel_e4s:9.0::appstream
Red HatRed Hat Enterprise Linux 9.0 Update Services for SAP Solutions 0:1.11.0-22.el9_0.15 ~ * cpe:/a:redhat:rhel_e4s:9.0::appstream
Red HatRed Hat Enterprise Linux 9.2 Update Services for SAP Solutions 0:21.1.3-8.el9_2 ~ * cpe:/a:redhat:rhel_e4s:9.2::appstream
Red HatRed Hat Enterprise Linux 9.2 Update Services for SAP Solutions 0:1.20.11-18.el9_2 ~ * cpe:/a:redhat:rhel_e4s:9.2::appstream
Red HatRed Hat Enterprise Linux 9.2 Update Services for SAP Solutions 0:1.12.0-14.el9_2.12 ~ * cpe:/a:redhat:rhel_e4s:9.2::appstream
Red HatRed Hat Enterprise Linux 9.4 Extended Update Support 0:22.1.9-6.el9_4 ~ * cpe:/a:redhat:rhel_eus:9.4::appstream
Red HatRed Hat Enterprise Linux 9.4 Extended Update Support 0:1.20.11-26.el9_4 ~ * cpe:/a:redhat:rhel_eus:9.4::appstream
Red HatRed Hat Enterprise Linux 9.4 Extended Update Support 0:1.13.1-8.el9_4.7 ~ * cpe:/a:redhat:rhel_eus:9.4::appstream
Red HatRed Hat Enterprise Linux 6-cpe:/o:redhat:enterprise_linux:6

II. Public POCs for CVE-2025-49179

#POC DescriptionSource LinkShenlong Link
AI-Generated POCPremium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2025-49179

请登录查看更多情报信息。

Vendor Advisories for CVE-2025-49179 (28)

Other References for CVE-2025-49179 (2)

Same Patch Batch · X.Org · 2025-06-17 · 6 CVEs total

CVE-2025-491807.8 HIGHXorg-x11-server-xwayland: xorg-x11-server: tigervnc: integer overflow in x resize, rotate
CVE-2025-491767.3 HIGHXorg-x11-server-xwayland: xorg-x11-server: tigervnc: integer overflow in big requests exte
CVE-2025-491756.1 MEDIUMXorg-x11-server-xwayland: xorg-x11-server: tigervnc: out-of-bounds read in x rendering ext
CVE-2025-491776.1 MEDIUMXorg-x11-server-xwayland: xorg-x11-server: tigervnc: data leak in xfixes extension's xfixe
CVE-2025-491785.5 MEDIUMXorg-x11-server-xwayland: xorg-x11-server: tigervnc: unprocessed client request due to byt

IV. Related Vulnerabilities

Same product: xwayland
Same vendor: X.Org
Same weakness: CWE-190

V. Comments for CVE-2025-49179

No comments yet

Leave a comment