6.5

CVE-2018-1000879: fedoraproject fedora NULL Pointer Dereference

CVSS: 6.5v3.1MediumModified
AliasesDEBIAN-CVE-2018-1000879
Published 20-12-2018Last modified 08-10-2026
Open JSON

Vulnerability summary

CVE-2018-1000879 is a medium (CVSS 6.5) NULL Pointer Dereference vulnerability in fedoraproject fedora. EPSS estimates a 3.37% chance of exploitation in the next 30 days, higher than 88.5% of scored vulnerabilities.

Overall risk
27/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (NVD)
EPSS score
3.37%
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 4 · Related 3
MGASA-2019-0030OPENSUSE-SU-2019:1196-1OPENSUSE-SU-2024:10925-1SUSE-SU-2019:0831-1

Timeline

  1. 20-12-2018
    PublishedVulnerability first disclosed.
  2. 08-10-2026
    Last modifiedVulnerability information updated.

Description

libarchive version commit 379867ecb330b3a952fb7bfa7bffb7bbd5547205 onwards (release v3.3.0 onwards) contains a CWE-476: NULL Pointer Dereference vulnerability in ACL parser - libarchive/archive_acl.c, archive_acl_from_text_l() that can result in Crash/DoS. This attack appear to be exploitable via the victim must open a specially crafted archive file.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

3.37%

Chance of exploitation in the next 30 days

Percentile

89%

Versus all other CVEs

30-day change

0.00 pp

From 3.37% on 18-09-2026

18-09-202618-10-2026
EPSS score
3.37%

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

Debian1 product
  • libarchive< 3.3.3-2
Fedoraproject1 product
Libarchive1 product
Opensuse1 product

4 vendors · 4 products

References

9 links