CVE-2016-20048 — iSelect 1.4.0-2+b1 Local Buffer Overflow via key parameter

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HIGH

iSelect 1.4.0-2+b1 Local Buffer Overflow via key parameter

Published Mar 28, 2026

8.6

HIGH

CVSS 4.0

EPSS 0.17%

Description

iSelect 1.4.0-2+b1 contains a local buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying an oversized value to the -k/--key parameter. Attackers can craft a malicious argument containing a NOP sled, shellcode, and return address to overflow a 1024-byte stack buffer and gain code execution with user privileges.

Affected products

Vendor Iselect Product iSelect Default
n/a
- Version
  1.4.0-2+b1
  Status
  affected
  Constraints
  -

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

Iselect

iSelect

n/a

Version	Status	Constraints
1.4.0-2+b1	affected	-

Remediation

No remediation recorded yet.

Metrics

0.17% 0.00167

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.00167

Score over time

Mar–Oct 2026

EPSS v4
EPSS v5

Percentile over time

EPSS v4
EPSS v5

Table of values (3 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	0.17% (0.00167)	5.33th	v5 (v2026.06.15)
Jun 15, 2026	0.17% (0.00167)	6.22th	v5 (v2026.06.15)
Mar 28, 2026	0.02% (0.00017)	4.17th	v4 (v2025.03.14)

Weaknesses (1)

CWE-22

Path Traversal

References (3)

http://www.ossp.org/pkg/tool/iselect/
product
https://www.exploit-db.com/exploits/41076
exploit
https://www.vulncheck.com/advisories/iselect-2-b1-local-buffer-overflow-via-key-parameter
third-party-advisory

Link	Providers	Tags
http://www.ossp.org/pkg/tool/iselect/		product
https://www.exploit-db.com/exploits/41076		exploit
https://www.vulncheck.com/advisories/iselect-2-b1-local-buffer-overflow-via-key-parameter		third-party-advisory