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CVE-2026-76989— liftoff-sr CIPster TCP Encapsulation Receive Path encap.cc out-of-bounds

Quick assessment

Affected
liftoff-sr CIPster
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.

在 liftoff-sr CIPster 1802525be27d33e19a9a83c163e331a1d13b1892 中检测到一个安全漏洞。该漏洞影响 TCP 封装接收路径组件中文件 source/src/enet_encap/encap.cc 的某个未知函数。该漏洞可导致越界读取（out-of-bounds read）。攻击者可远程发起攻击。相关利用代码已被公开披露，可能被滥用。补丁标识为 e8e9dba09bf56962807d3504b783ccdb6287f3e4。为解决此问题，建议部署相应补丁。

CVSS 5.3 · Medium EPSS 0.69% · P50

Affected Version Matrix 1

VendorProduct Version RangeStatus
liftoff-sr CIPster 1802525be27d33e19a9a83c163e331a1d13b1892 affected
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I. Basic Information for CVE-2026-76989

Vulnerability Information
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Vulnerability Title
liftoff-sr CIPster TCP Encapsulation Receive Path encap.cc out-of-bounds
Source: CVE Program / CVE List V5
Vulnerability Description
A security vulnerability has been detected in liftoff-sr CIPster 1802525be27d33e19a9a83c163e331a1d13b1892. This impacts an unknown function of the file source/src/enet_encap/encap.cc of the component TCP Encapsulation Receive Path. The manipulation leads to out-of-bounds read. The attack can be initiated remotely. The exploit has been disclosed publicly and may be used. The identifier of the patch is e8e9dba09bf56962807d3504b783ccdb6287f3e4. To fix this issue, it is recommended to deploy a patch.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存读
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
liftoff-sr CIPster 1802525be27d33e19a9a83c163e331a1d13b1892 cpe:2.3:a:liftoff-sr:cipster:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-76989

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III. Intelligence Information for CVE-2026-76989

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Patches & Fixes for CVE-2026-76989 (1)

Other References for CVE-2026-76989 (1)

Same Patch Batch · liftoff-sr · 2026-08-20 · 3 CVEs total

CVE-2026-76987 7.3 HIGH liftoff-sr CIPster Generic Attribute Logic ciptypes.h SetAttrData memory corruption
CVE-2026-76988 5.3 MEDIUM liftoff-sr CIPster ForwardOpen cipconnectionmanager.cc forward_open out-of-bounds

IV. Related Vulnerabilities

Same product: CIPster
Same vendor: liftoff-sr
Same weakness: CWE-125

V. Comments for CVE-2026-76989

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