6.3

CVE-2016-9955: debian debian_linux Improper Input Validation

CVSS: 6.3v3.0MediumModified
AliasesUBUNTU-CVE-2016-9955DEBIAN-CVE-2016-9955
Published 16-02-2017Last modified 06-08-2024
Open JSON

Vulnerability summary

CVE-2016-9955 is a medium (CVSS 6.3) Improper Input Validation vulnerability in debian debian_linux. EPSS estimates a 1.18% chance of exploitation in the next 30 days, higher than 67.4% of scored vulnerabilities.

Overall risk
25/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.3/10
010
Medium · v3.0 (NVD)
EPSS score
1.18%
0%100%
Low · -0.55 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1
DLA-1298-1

Timeline

  1. 16-02-2017
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

The SimpleSAML_XML_Validator class constructor in SimpleSAMLphp before 1.14.11 might allow remote attackers to spoof signatures on SAML 1 responses or possibly cause a denial of service (memory consumption) by leveraging improper conversion of return values to boolean.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

1.18%

Chance of exploitation in the next 30 days

Percentile

67%

Versus all other CVEs

30-day change

-0.55 pp

From 1.74% on 21-09-2026

21-09-202621-10-2026
EPSS score
1.18%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Debian2 products
Simplesamlphp1 product
Ubuntu1 product
  • simplesamlphpAll versions (No fix recorded)

3 vendors · 4 products

References

8 links