7.1

CVE-2023-4156: fedoraproject fedora Out-of-bounds Read

CVSS: 7.1v3.1HighModified
AliasesSUSE-SU-2023:3431-1SUSE-SU-2023:3440-1UBUNTU-CVE-2023-4156
Published 25-09-2023Last modified 24-09-2024
Open JSON

Vulnerability summary

CVE-2023-4156 is a high (CVSS 7.1) Out-of-bounds Read vulnerability in fedoraproject fedora. EPSS estimates a 0.41% chance of exploitation in the next 30 days, higher than 34.4% of scored vulnerabilities. 2 public exploits are recorded.

Overall risk
38/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.1/10
010
High · v3.1 (NVD)
EPSS score
0.41%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits2reference

Timeline

  1. 25-09-2023
    PublishedVulnerability first disclosed.
  2. 24-09-2024
    Last modifiedVulnerability information updated.

Description

A heap out-of-bounds read flaw was found in builtin.c in the gawk package. This issue may lead to a crash and could be used to read sensitive information.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.41%

Chance of exploitation in the next 30 days

Percentile

34%

Versus all other CVEs

30-day change

0.00 pp

From 0.42% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.41%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

2 found
  • referenceUnverified

    Exploit Reference (access.redhat.com)

    Maturity: unknown

  • referenceUnverified

    Exploit Reference (bugzilla.redhat.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Suse10 products
  • gawk&distro=SUSE Linux Enterprise Micro 5.1< 4.2.1-150000.3.3.1
  • gawk&distro=SUSE Linux Enterprise Micro 5.2< 4.2.1-150000.3.3.1
  • gawk&distro=SUSE Linux Enterprise Micro 5.3< 4.2.1-150000.3.3.1
  • gawk&distro=SUSE Linux Enterprise Micro 5.4< 4.2.1-150000.3.3.1
  • gawk&distro=SUSE Linux Enterprise Module for Basesystem 15 SP4< 4.2.1-150000.3.3.1
Opensuse4 products
  • gawk&distro=openSUSE Leap 15.4< 4.2.1-150000.3.3.1
  • gawk&distro=openSUSE Leap 15.5< 4.2.1-150000.3.3.1
  • gawk&distro=openSUSE Leap Micro 5.3< 4.2.1-150000.3.3.1
  • gawk&distro=openSUSE Leap Micro 5.4< 4.2.1-150000.3.3.1
Debian1 product
  • gawk< 1:5.2.1-1
Fedoraproject1 product
Gnu1 product
Redhat1 product
Ubuntu1 product
  • gawk< 1:4.0.1+dfsg-2.1ubuntu2+esm1 | < 1:4.1.3+dfsg-0.1ubuntu0.1~esm1 | < 1:4.1.4+dfsg-1ubuntu0.1~esm1 | < 1:5.0.1+dfsg-1ubuntu0.1 | < 1:5.1.0-1ubuntu0.1

7 vendors · 19 products

References

14 links
Show all 14 references