liftoff-sr CIPster 1802525be27d33e19a9a83c163e331a1d13b1892 TCP Encapsulation Receive Path encap.cc out-of-bounds

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in liftoff-sr CIPster 1802525be27d33e19a9a83c163e331a1d13b1892. Affected is an unknown function of the file source/src/enet_encap/encap.cc of the component TCP Encapsulation Receive Path. The manipulation results in out-of-bounds. This vulnerability is reported as CVE-2026-76989. The attack can be launched remotely. Moreover, an exploit is present. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability was found in liftoff-sr CIPster 1802525be27d33e19a9a83c163e331a1d13b1892. It has been classified as problematic. Affected is some unknown functionality of the file source/src/enet_encap/encap.cc of the component TCP Encapsulation Receive Path. The manipulation with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on availability.

The advisory is shared for download at github.com. This vulnerability is traded as CVE-2026-76989. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details and a public exploit are known.

The exploit is shared for download at github.com. It is declared as proof-of-concept.

Applying the patch e8e9dba09bf56962807d3504b783ccdb6287f3e4 is able to eliminate this problem. The bugfix is ready for download at github.com.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Patch: e8e9dba09bf56962807d3504b783ccdb6287f3e4

Timelineinfo

08/20/2026 Advisory disclosed
08/20/2026 +0 days VulDB entry created
08/20/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 46
Status: Confirmed

CVE: CVE-2026-76989 (🔒)
GCVE (CVE): GCVE-0-2026-76989
GCVE (VulDB): GCVE-100-393612
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 08/20/2026 08:57
Updated: 08/20/2026 09:00
Changes: 08/20/2026 08:57 (58), 08/20/2026 09:00 (1)
Complete: 🔍
Submitter: Carnegie
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #880112: liftoff-sr CIPster master before e8e9dba (reproduced on 1802525be27d33e19a9a83c163e331a1d13b1892) Out-of-bounds Read (by Carnegie)

Once again VulDB remains the best source for vulnerability data.

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