CVE-2020-17498: fedoraproject fedora Double Free
CVSS: 6.5v3.1MediumModified
AliasesUBUNTU-CVE-2020-17498DEBIAN-CVE-2020-17498
Published 13-08-2020Last modified 04-08-2024
Vulnerability summary
CVE-2020-17498 is a medium (CVSS 6.5) Double Free vulnerability in fedoraproject fedora. EPSS estimates a 2.58% chance of exploitation in the next 30 days, higher than 84.9% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
6.5/10
010
Medium · v3.1 (NVD)EPSS score
2.58%
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 5 · Related 5Timeline
- 13-08-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
In Wireshark 3.2.0 to 3.2.5, the Kafka protocol dissector could crash. This was addressed in epan/dissectors/packet-kafka.c by avoiding a double free during LZ4 decompression.
CVSS metrics
4 scores · 3 sources · 2 versionsMedium 6.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/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
2.58%
Chance of exploitation in the next 30 days
Percentile
85%
Versus all other CVEs
30-day change
0.00 pp
From 2.58% on 19-09-2026
19-09-202619-10-2026
EPSS score2.58%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (bugs.wireshark.org)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Debian1 product
- wireshark< 3.2.6-1
Fedoraproject1 product
- fedoraEOL31 | 32
Opensuse1 product
- leapEOL15.1 | 15.2
Oracle1 product
Ubuntu1 product
- wireshark< 3.2.3-1ubuntu0.1~esm1
Wireshark1 product
- wireshark≥ 3.2.0, < 3.2.6
6 vendors · 6 products
References
14 links- bugs.wireshark.org/bugzilla/show_bug.cgi?id=16672X Refsource MISCREPORTExploitIssue TrackingPatchVendor Advisory
- code.wireshark.org/review/…X Refsource MISC
- lists.opensuse.org/opensuse-security-announce/2020-11/msg00035.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2020-11/msg00038.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
