Live555 2026.02.26 RTSP RTPInterface.cpp tcpReadHandler1 use after free

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.5$0-$5k0.00+

Summaryinfo

A vulnerability has been found in Live555 2026.02.26 and classified as critical. The impacted element is the function SocketDescriptor::tcpReadHandler1 of the file liveMedia/RTPInterface.cpp of the component RTSP Handler. Performing a manipulation results in use after free. This vulnerability is cataloged as CVE-2026-38998. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability classified as critical has been found in Live555 2026.02.26. This affects the function SocketDescriptor::tcpReadHandler1 of the file liveMedia/RTPInterface.cpp of the component RTSP Handler. The manipulation with an unknown input leads to a use after free vulnerability. CWE is classifying the issue as CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. This is going to have an impact on availability. The summary by CVE is:

A use-after-free in the SocketDescriptor::tcpReadHandler1 function (liveMedia/RTPInterface.cpp) of LIVE555 Streaming Media (version 2026.02.26) allows attackers to cause a Denial of Service (DoS) via sending a series of crafted RTSP and HTTP requests to the server.

It is possible to read the advisory at lists.live555.com. This vulnerability is uniquely identified as CVE-2026-38998 since 04/06/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/09/2026).

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

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.5

VulDB Base Score: 6.5
VulDB Temp Score: 6.5
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: Use after free
CWE: CWE-416 / CWE-119
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

04/06/2026 CVE reserved
09/09/2026 +156 days Advisory disclosed
09/09/2026 +0 days VulDB entry created
09/09/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: lists.live555.com
Status: Not defined

CVE: CVE-2026-38998 (🔒)
GCVE (CVE): GCVE-0-2026-38998
GCVE (VulDB): GCVE-100-401859

Entryinfo

Created: 09/09/2026 21:42
Changes: 09/09/2026 21:42 (53)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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