NASA Fprime 4.2.2 SendPartial integer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.2$0-$5k2.54

Summaryinfo

A vulnerability, which was classified as problematic, has been found in NASA Fprime 4.2.2. This affects the function Svc::FileDownlink::SendPartial of the component SendPartial. Performing a manipulation results in integer overflow. This vulnerability is identified as CVE-2026-67977. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in NASA Fprime 4.2.2. It has been classified as problematic. This affects the function Svc::FileDownlink::SendPartial of the component SendPartial. The manipulation with an unknown input leads to a integer overflow vulnerability. CWE is classifying the issue as CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. This is going to have an impact on availability. The summary by CVE is:

An integer overflow in the Svc::FileDownlink::SendPartial component of fprime framework v4.2.2 allows attackers to cause a Denial of Service (DoS) via a crafted input.

The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2026-67977 since 07/30/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/04/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.2

VulDB Base Score: 4.3
VulDB Temp Score: 4.2
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: Integer overflow
CWE: CWE-190 / CWE-189
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

07/30/2026 CVE reserved
08/03/2026 +4 days VulDB entry created
08/04/2026 +0 days Advisory disclosed
08/04/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2026-67977 (🔒)
GCVE (CVE): GCVE-0-2026-67977
GCVE (VulDB): GCVE-100-385701

Entryinfo

Created: 08/04/2026 00:18
Changes: 08/04/2026 00:18 (55)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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