CVE-2020-26420: fedoraproject fedora
CVSS: 5.3v3.1MediumModified
AliasesUBUNTU-CVE-2020-26420DEBIAN-CVE-2020-26420
Published 11-12-2020Last modified 04-08-2024
Vulnerability summary
CVE-2020-26420 is a medium (CVSS 5.3) vulnerability in fedoraproject fedora. EPSS estimates a 2.75% chance of exploitation in the next 30 days, higher than 86% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
5.3/10
010
Medium · v3.1 (NVD)EPSS score
2.75%
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 4 · Related 4Timeline
- 11-12-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
Memory leak in RTPS protocol dissector in Wireshark 3.4.0 and 3.2.0 to 3.2.8 allows denial of service via packet injection or crafted capture file.
CVSS metrics
5 scores · 4 sources · 2 versionsMedium 5.3Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LSources4 sources · 3.1–5.3
- CVE.orgCNA3.1LowCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:LDiffers
- OSV · UbuntuEcosystem advisory · calculated5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- OSV · DebianEcosystem advisory · calculated5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
2.75%
Chance of exploitation in the next 30 days
Percentile
86%
Versus all other CVEs
30-day change
0.00 pp
From 2.75% on 19-09-2026
19-09-202619-10-2026
EPSS score2.75%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (gitlab.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Debian1 product
- wireshark< 3.4.1-1
Fedoraproject1 product
- fedoraEOL32 | 33
Oracle1 product
The wireshark foundation1 product
- wireshark3.4.0 | ≥ 3.2.0 to < 3.2.9 (No fix recorded)
Ubuntu1 product
- wiresharkAll versions (No fix recorded)
Wireshark1 product
- wiresharkEOL≥ 3.2.0, ≤ 3.2.8 | 3.4.0
6 vendors · 6 products
References
11 links- gitlab.com/wireshark/wireshark/-/issues/16994X Refsource MISCREPORTExploitIssue TrackingThird Party Advisory
- gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-26420.jsonX Refsource CONFIRMREPORTThird Party Advisory
