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TI-2026-11510 Aliases CVE-2026-13587GHSA-94c3-8cq4-gwwg

seladb PcapPlusPlus LightPcapNg light_pcapng.c parse_by_block_type heap-based overflow

Priority MEDIUM 61CWE-119Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
High
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
None · None · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

A vulnerability was found in seladb PcapPlusPlus 25.05. The affected element is the function parse_by_block_type of the file light_pcapng.c of the component LightPcapNg Parser. Performing a manipulation of the argument captured_packet_length results in heap-based buffer overflow. It is possible to initiate the attack remotely. The attack's complexity is rated as high. The exploitability is described as difficult. The exploit has been made public and could be used.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.0042 36th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
seladbPcapPlusPlus25.05—No fix listedCNA
  • PcapPlusPlus Vendorseladb Affected 25.05 Fixed in — No fix listed CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:a:seladb:pcapplusplus:*:*:*:*:*:*:*:*——seladb
  • cpe:2.3:a:seladb:pcapplusplus:*:*:*:*:*:*:*:* Versions — — ·seladb

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-13587
  2. 2026-10-03 Alias added: GHSA-94c3-8cq4-gwwg

References

  • TI-2026-11513 seladb PcapPlusPlus Modbus Protocol ModbusLayer.h getLength heap-based overflow CVSS 4.0MEDIUM 6.3
  • TI-2026-11512 seladb PcapPlusPlus Telnet Subnegotiation Packet TelnetLayer.cpp getSubCommand heap-based overflow CVSS 4.0MEDIUM 6.3
  • TI-2026-11511 seladb PcapPlusPlus TLS Hello SSLHandshake.cpp getHandshakeVersion heap-based overflow CVSS 4.0MEDIUM 6.3

Sources