CVE-2021-46019: fedoraproject fedora NULL Pointer Dereference
CVSS: 5.5v3.1MediumModified
AliasesUBUNTU-CVE-2021-46019DEBIAN-CVE-2021-46019
Published 14-01-2022Last modified 04-08-2024
Vulnerability summary
CVE-2021-46019 is a medium (CVSS 5.5) NULL Pointer Dereference vulnerability in fedoraproject fedora. EPSS estimates a 1.00% chance of exploitation in the next 30 days, higher than 62.4% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
5.5/10
010
Medium · v3.1 (NVD)EPSS score
1.00%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Advisory lineage
Upstream 0 · Downstream 1 · Related 1Timeline
- 14-01-2022PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
An untrusted pointer dereference in rec_db_destroy() at rec-db.c of GNU Recutils v1.8.90 can lead to a segmentation fault or application crash.
CVSS metrics
4 scores · 3 sources · 2 versionsMedium 5.5Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Medium 4.3Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
1.00%
Chance of exploitation in the next 30 days
Percentile
62%
Versus all other CVEs
30-day change
0.00 pp
From 1.00% on 20-09-2026
20-09-202620-10-2026
EPSS score1.00%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (lists.gnu.org)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Debian1 product
- recutilsAll versions (No fix recorded)
Fedoraproject1 product
- fedoraEOL35 | 36
Gnu1 product
- recutils1.8.90
Ubuntu1 product
- recutils< 1.7-1ubuntu0.1~esm1 | < 1.7-2ubuntu0.1~esm1 | < 1.8-1ubuntu0.20.04.1~esm1 | < 1.8-1ubuntu0.22.04.1~esm1
4 vendors · 4 products
References
8 links- lists.gnu.org/archive/html/bug-recutils/2021-12/msg00009.htmlREPORTExploitMailing ListVendor Advisory
- lists.fedoraproject.org/archives/…Vendor Advisory
- lists.fedoraproject.org/archives/…Vendor Advisory