CVE-2022-0520: fedoraproject fedora Use After Free
CVSS: 8.8v3.0HighModified
AliasesUBUNTU-CVE-2022-0520
Published 08-02-2022Last modified 02-08-2024
Vulnerability summary
CVE-2022-0520 is a high (CVSS 8.8) Use After Free vulnerability in fedoraproject fedora. EPSS estimates a 1.15% chance of exploitation in the next 30 days, higher than 66.3% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
8.8/10
010
High · v3.0 (CVE.org)EPSS score
1.15%
0%100%
Low · +0.04 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Advisory lineage
Upstream 0 · Downstream 2 · Related 1Timeline
- 08-02-2022PublishedVulnerability first disclosed.
- 02-08-2024Last modifiedVulnerability information updated.
Description
Use After Free in NPM radare2.js prior to 5.6.2.
CVSS metrics
6 scores · 3 sources · 3 versionsHigh 7.8Preferred score · OSV · Ubuntu (Ecosystem advisory) · calculated from vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HSourcesAll 2 agree
- NVDNIST7.8HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
High 8.8Preferred score · CVE.org (CNA)
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated8.8HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- NVDNIST8.8HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Medium 6.8Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
1.15%
Chance of exploitation in the next 30 days
Percentile
66%
Versus all other CVEs
30-day change
+0.04 pp
From 1.11% on 19-09-2026
19-09-202619-10-2026
EPSS score1.15%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (huntr.dev)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Fedoraproject1 product
- fedoraEOL35 | 36
Radare1 product
- radare2< 5.6.2
Radareorg1 product
- radareorg/radare2≥ unspecified, < 5.6.2
Ubuntu1 product
- radare2All versions (No fix recorded)
4 vendors · 4 products
References
6 links- huntr.dev/bounties/ce13c371-e5ef-4993-97f3-3d33dcd943a6X Refsource CONFIRMREPORTExploitPatchThird Party Advisory
- github.com/radareorg/radare2/commit/8525ad0b9fd596f4b251bb3d7b114e6dc7ce1ee8X Refsource MISCREPORTPatchThird Party Advisory