CVE-2026-13589: Heap-based Buffer Overflow in seladb PcapPlusPlus
A vulnerability was identified in seladb PcapPlusPlus 25.05. This affects the function pcpp::TelnetLayer::getSubCommand of the file Packet++/src/TelnetLayer.cpp of the component Telnet Subnegotiation Packet Handler. The manipulation leads to heap-based buffer overflow. The attack can be initiated remotely. The complexity of an attack is rather high. The exploitability is reported as difficult. The exploit is publicly available and might be used. The identifier of the patch is 98e671010bc7c87b95898c22ae289220ae92542b. It is recommended to apply a patch to fix this issue.
AI Analysis
Technical Summary
CVE-2026-13589 describes a heap-based buffer overflow in the pcpp::TelnetLayer::getSubCommand function of seladb PcapPlusPlus 25.05. The flaw resides in the Telnet Subnegotiation Packet Handler and can be exploited remotely. The attack complexity is high and exploitability is difficult. Although an exploit is publicly available, no official vendor advisory or remediation level has been published. A patch commit identifier (98e671010bc7c87b95898c22ae289220ae92542b) is known, indicating a fix exists but patch status is not confirmed by the vendor.
Potential Impact
Successful exploitation of this vulnerability could lead to a heap-based buffer overflow, potentially allowing an attacker to cause a denial of service or execute arbitrary code remotely. However, the attack complexity is high and exploitability is difficult, which reduces the likelihood of widespread exploitation.
Mitigation Recommendations
A patch addressing this vulnerability has been identified (commit 98e671010bc7c87b95898c22ae289220ae92542b). It is recommended to apply this patch to remediate the issue. Since no official vendor advisory or remediation level is available, users should monitor the vendor's communications for confirmation and updated guidance.
CVE-2026-13589: Heap-based Buffer Overflow in seladb PcapPlusPlus
Description
A vulnerability was identified in seladb PcapPlusPlus 25.05. This affects the function pcpp::TelnetLayer::getSubCommand of the file Packet++/src/TelnetLayer.cpp of the component Telnet Subnegotiation Packet Handler. The manipulation leads to heap-based buffer overflow. The attack can be initiated remotely. The complexity of an attack is rather high. The exploitability is reported as difficult. The exploit is publicly available and might be used. The identifier of the patch is 98e671010bc7c87b95898c22ae289220ae92542b. It is recommended to apply a patch to fix this issue.
CVSS v4.0
Score 6.3medium
Affected software
pkg:github/seladb/PcapPlusPluscpe:2.3:a:seladb:pcapplusplus:*:*:*:*:*:*:*:*Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-13589 describes a heap-based buffer overflow in the pcpp::TelnetLayer::getSubCommand function of seladb PcapPlusPlus 25.05. The flaw resides in the Telnet Subnegotiation Packet Handler and can be exploited remotely. The attack complexity is high and exploitability is difficult. Although an exploit is publicly available, no official vendor advisory or remediation level has been published. A patch commit identifier (98e671010bc7c87b95898c22ae289220ae92542b) is known, indicating a fix exists but patch status is not confirmed by the vendor.
Potential Impact
Successful exploitation of this vulnerability could lead to a heap-based buffer overflow, potentially allowing an attacker to cause a denial of service or execute arbitrary code remotely. However, the attack complexity is high and exploitability is difficult, which reduces the likelihood of widespread exploitation.
Mitigation Recommendations
A patch addressing this vulnerability has been identified (commit 98e671010bc7c87b95898c22ae289220ae92542b). It is recommended to apply this patch to remediate the issue. Since no official vendor advisory or remediation level is available, users should monitor the vendor's communications for confirmation and updated guidance.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-06-29T04:25:29.590Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a42a9a827e9c79719324a03
Added to database: 06/29/2026, 17:21:44 UTC
Last enriched: 06/29/2026, 17:36:44 UTC
Last updated: 06/29/2026, 18:06:31 UTC
Views: 3
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