8.3

CVE-2016-5423: debian debian_linux NULL Pointer Dereference

CVSS: 8.3v3.0HighModified
AliasesUBUNTU-CVE-2016-5423
Published 09-12-2016Last modified 06-08-2024

Vulnerability summary

CVE-2016-5423 is a high (CVSS 8.3) NULL Pointer Dereference vulnerability in debian debian_linux. EPSS estimates a 5.96% chance of exploitation in the next 30 days, higher than 93.2% of scored vulnerabilities.

Overall risk
34/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.3/10
010
High · v3.0 (NVD)
EPSS score
5.96%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 15 · Related 7

Timeline

  1. 09-12-2016
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

PostgreSQL before 9.1.23, 9.2.x before 9.2.18, 9.3.x before 9.3.14, 9.4.x before 9.4.9, and 9.5.x before 9.5.4 allow remote authenticated users to cause a denial of service (NULL pointer dereference and server crash), obtain sensitive memory information, or possibly execute arbitrary code via (1) a CASE expression within the test value subexpression of another CASE or (2) inlining of an SQL function that implements the equality operator used for a CASE expression involving values of different types.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

5.96%

Chance of exploitation in the next 30 days

Percentile

93%

Versus all other CVEs

30-day change

0.00 pp

From 5.96% on 19-09-2026

19-09-202619-10-2026
EPSS score
5.96%

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

Ubuntu3 products
  • postgresql-9.1< 9.1.23-0ubuntu0.14.04
  • postgresql-9.3< 9.3.14-0ubuntu0.14.04
  • postgresql-9.5< 9.5.4-0ubuntu0.16.04
Debian1 product
Postgresql1 product
  • postgresqlEOL≤ 9.1.22 | 9.2 | 9.2.1 | 9.2.2 | 9.2.3 | 9.2.4 | 9.2.5 | 9.2.6 | 9.2.7 | 9.2.8 | 9.2.9 | 9.2.10 | 9.2.11 | 9.2.12 | 9.2.13 | 9.2.14 | 9.2.15 | 9.2.16 | 9.2.17 | 9.3 | 9.3.1 | 9.3.2 | 9.3.3 | 9.3.4 | 9.3.5 | 9.3.6 | 9.3.7 | 9.3.8 | 9.3.9 | 9.3.10 | 9.3.11 | 9.3.12 | 9.3.13 | 9.4 | 9.4.1 | 9.4.2 | 9.4.3 | 9.4.4 | 9.4.5 | 9.4.6 | 9.4.7 | 9.4.8 | 9.5 | 9.5.1 | 9.5.2 | 9.5.3

3 vendors · 5 products

References

19 links
Show all 19 references