5.5

CVE-2022-48303: fedoraproject fedora Out-of-bounds Read

CVSS: 5.5v3.1MediumModified
AliasesALPINE-CVE-2022-48303MGASA-2023-0079SUSE-SU-2023:0441-1
Published 30-01-2023Last modified 14-10-2026
Open JSON

Vulnerability summary

CVE-2022-48303 is a medium (CVSS 5.5) Out-of-bounds Read vulnerability in fedoraproject fedora. EPSS estimates a 1.49% chance of exploitation in the next 30 days, higher than 73.7% 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 · v3.1 (CVE.org)
EPSS score
1.49%
0%100%
Low · +0.02 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 30-01-2023
    PublishedVulnerability first disclosed.
  2. 14-10-2026
    Last modifiedVulnerability information updated.

Description

GNU Tar through 1.34 has a one-byte out-of-bounds read that results in use of uninitialized memory for a conditional jump. Exploitation to change the flow of control has not been demonstrated. The issue occurs in from_header in list.c via a V7 archive in which mtime has approximately 11 whitespace characters.

CVSS metrics

6 scores · 6 sources · 1 version

EPSS trend

Probability

1.49%

Chance of exploitation in the next 30 days

Percentile

74%

Versus all other CVEs

30-day change

+0.02 pp

From 1.48% on 18-09-2026

18-09-202618-10-2026
EPSS score
1.49%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (savannah.gnu.org)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Suse7 products
  • tar&distro=SUSE Linux Enterprise Micro 5.1< 1.34-150000.3.31.1
  • tar&distro=SUSE Linux Enterprise Micro 5.2< 1.34-150000.3.31.1
  • tar&distro=SUSE Linux Enterprise Micro 5.3< 1.34-150000.3.31.1
  • tar&distro=SUSE Linux Enterprise Module for Basesystem 15 SP4< 1.34-150000.3.31.1
  • tar&distro=SUSE Linux Enterprise Real Time 15 SP3< 1.34-150000.3.31.1
Opensuse4 products
  • tar&distro=openSUSE Leap 15.4< 1.34-150000.3.31.1
  • tar&distro=openSUSE Leap Micro 5.2< 1.34-150000.3.31.1
  • tar&distro=openSUSE Leap Micro 5.3< 1.34-150000.3.31.1
  • tar&distro=openSUSE Tumbleweed< 1.34-10.1
Redhat3 products
  • tar< 2:1.30-6.el8_7.1 | < 2:1.34-6.el9_1 | < 2:1.30-5.el8_6.1
  • tar-debuginfo< 2:1.30-6.el8_7.1 | < 2:1.34-6.el9_1 | < 2:1.30-5.el8_6.1
  • tar-debugsource< 2:1.30-6.el8_7.1 | < 2:1.34-6.el9_1 | < 2:1.30-5.el8_6.1
Alpine1 product
  • tar< 1.34-r1 | < 1.34-r2
Debian1 product
  • tar< 1.34+dfsg-1.2+deb12u1 | < 1.34+dfsg-1.4
Fedoraproject1 product
Gnu1 product
Mageia1 product
  • tar< 1.33-2.2.mga8
Ubuntu1 product
  • tar< 1.27.1-1ubuntu0.1+esm3 | < 1.28-2.1ubuntu0.2+esm2 | < 1.29b-2ubuntu0.4 | < 1.30+dfsg-7ubuntu0.20.04.3 | < 1.34+dfsg-1ubuntu0.1.22.04.1

9 vendors · 20 products

References

31 links
Show all 31 references