5.5

CVE-2017-17819: canonical ubuntu_linux NULL Pointer Dereference

CVSS: 5.5v3.0MediumModified
AliasesUBUNTU-CVE-2017-17819DEBIAN-CVE-2017-17819
Published 21-12-2017Last modified 05-08-2024

Vulnerability summary

CVE-2017-17819 is a medium (CVSS 5.5) NULL Pointer Dereference vulnerability in canonical ubuntu_linux. EPSS estimates a 1.37% chance of exploitation in the next 30 days, higher than 71.4% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
32/100
0100
Medium · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.0 (NVD)
EPSS score
1.37%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Advisory lineage

Upstream 0 · Downstream 5 · Related 4

Timeline

  1. 21-12-2017
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

In Netwide Assembler (NASM) 2.14rc0, there is an illegal address access in the function find_cc() in asm/preproc.c that will cause a remote denial of service attack, because pointers associated with skip_white_ calls are not validated.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

1.37%

Chance of exploitation in the next 30 days

Percentile

71%

Versus all other CVEs

30-day change

0.00 pp

From 1.37% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.37%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (bugzilla.nasm.us)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Canonical1 product
Debian1 product
  • nasm< 2.13.02-0.1
Nasm1 product
Ubuntu1 product
  • nasm< 2.10.09-1ubuntu0.1 | < 2.11.08-1ubuntu0.1

4 vendors · 4 products

References

7 links