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CVE Vulnerability Details :
CVE-2026-13589
PUBLISHED
More InfoOfficial Page
Assigner-VulDB
Assigner Org ID-1af790b2-7ee1-4545-860a-a788eba489b5
View Known Exploited Vulnerability (KEV) details
Published At-29 Jun, 2026 | 16:30
Updated At-29 Jun, 2026 | 17:22
Rejected At-
▼CVE Numbering Authority (CNA)
seladb PcapPlusPlus Telnet Subnegotiation Packet TelnetLayer.cpp getSubCommand heap-based overflow

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.

Affected Products
Vendor
seladb
Product
PcapPlusPlus
CPEs
  • cpe:2.3:a:seladb:pcapplusplus:*:*:*:*:*:*:*:*
Modules
  • Telnet Subnegotiation Packet Handler
Versions
Affected
  • 25.05
Problem Types
TypeCWE IDDescription
CWECWE-122Heap-based Buffer Overflow
CWECWE-119Memory Corruption
Type: CWE
CWE ID: CWE-122
Description: Heap-based Buffer Overflow
Type: CWE
CWE ID: CWE-119
Description: Memory Corruption
Metrics
VersionBase scoreBase severityVector
4.06.3MEDIUM
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
3.15.6MEDIUM
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
3.05.6MEDIUM
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
2.05.1N/A
AV:N/AC:H/Au:N/C:P/I:P/A:P/E:POC/RL:OF/RC:C
Version: 4.0
Base score: 6.3
Base severity: MEDIUM
Vector:
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
Version: 3.1
Base score: 5.6
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
Version: 3.0
Base score: 5.6
Base severity: MEDIUM
Vector:
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
Version: 2.0
Base score: 5.1
Base severity: N/A
Vector:
AV:N/AC:H/Au:N/C:P/I:P/A:P/E:POC/RL:OF/RC:C
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

reporter
TYGLS (VulDB User)
Timeline
EventDate
Advisory disclosed2026-06-29 00:00:00
VulDB entry created2026-06-29 02:00:00
VulDB entry last update2026-06-29 06:30:48
Event: Advisory disclosed
Date: 2026-06-29 00:00:00
Event: VulDB entry created
Date: 2026-06-29 02:00:00
Event: VulDB entry last update
Date: 2026-06-29 06:30:48
Replaced By

Rejected Reason

References
HyperlinkResource
https://vuldb.com/vuln/374592
vdb-entry
technical-description
https://vuldb.com/vuln/374592/cti
signature
permissions-required
https://vuldb.com/cve/CVE-2026-13589
third-party-advisory
https://vuldb.com/submit/844482
third-party-advisory
https://github.com/seladb/PcapPlusPlus/issues/2152
issue-tracking
https://github.com/seladb/PcapPlusPlus/pull/2161
issue-tracking
patch
https://github.com/user-attachments/files/28214571/poc.zip
exploit
https://github.com/seladb/PcapPlusPlus/commit/98e671010bc7c87b95898c22ae289220ae92542b
patch
https://github.com/seladb/PcapPlusPlus/
product
Hyperlink: https://vuldb.com/vuln/374592
Resource:
vdb-entry
technical-description
Hyperlink: https://vuldb.com/vuln/374592/cti
Resource:
signature
permissions-required
Hyperlink: https://vuldb.com/cve/CVE-2026-13589
Resource:
third-party-advisory
Hyperlink: https://vuldb.com/submit/844482
Resource:
third-party-advisory
Hyperlink: https://github.com/seladb/PcapPlusPlus/issues/2152
Resource:
issue-tracking
Hyperlink: https://github.com/seladb/PcapPlusPlus/pull/2161
Resource:
issue-tracking
patch
Hyperlink: https://github.com/user-attachments/files/28214571/poc.zip
Resource:
exploit
Hyperlink: https://github.com/seladb/PcapPlusPlus/commit/98e671010bc7c87b95898c22ae289220ae92542b
Resource:
patch
Hyperlink: https://github.com/seladb/PcapPlusPlus/
Resource:
product
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
Details not found