CVE-2020-28030: debian debian_linux Incorrect Calculation
CVSS: 7.5v3.1HighModified
AliasesUBUNTU-CVE-2020-28030DEBIAN-CVE-2020-28030
Published 30-10-2020Last modified 04-08-2024
Vulnerability summary
CVE-2020-28030 is a high (CVSS 7.5) Incorrect Calculation vulnerability in debian debian_linux. EPSS estimates a 2.07% chance of exploitation in the next 30 days, higher than 81.1% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
7.5/10
010
High · v3.1 (NVD)EPSS score
2.07%
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 4Timeline
- 30-10-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
In Wireshark 3.2.0 to 3.2.7, the GQUIC dissector could crash. This was addressed in epan/dissectors/packet-gquic.c by correcting the implementation of offset advancement.
CVSS metrics
4 scores · 3 sources · 2 versionsHigh 7.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
2.07%
Chance of exploitation in the next 30 days
Percentile
81%
Versus all other CVEs
30-day change
0.00 pp
From 2.07% on 19-09-2026
19-09-202619-10-2026
EPSS score2.07%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (gitlab.com)
Maturity: unknown
Weaknesses
CWE · root cause- CWE-682Incorrect CalculationThe product performs a calculation that generates incorrect or unintended results that are later used in security-critical decisions or resource management.
- CWE-770Allocation of Resources Without Limits or ThrottlingThe product allocates a reusable resource or group of resources on behalf of an actor without imposing any intended restrictions on the size or number of resources that can be allocated.
- CWE-835Loop with Unreachable Exit Condition ('Infinite Loop')The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop.
Affected systems
Debian2 products
- wireshark< 3.2.8-0.1
- debian_linuxEOL9.0
Fedoraproject1 product
- fedoraEOL32 | 33
Ubuntu1 product
- wiresharkAll versions (No fix recorded)
Wireshark1 product
- wireshark≥ 3.2.0, ≤ 3.2.7
4 vendors · 5 products
References
9 links- gitlab.com/wireshark/wireshark/-/issues/16887X Refsource MISCREPORTExploitIssue TrackingThird Party Advisory
- gitlab.com/wireshark/wireshark/-/commit/b287e7165e8aa89cde6ae37e7c257c5d87d16b9bX Refsource MISCREPORTPatchThird Party Advisory
lists.debian.org/debian-lts-announce/2021/02/msg00008.htmlMailing ListX Refsource MLISTThird Party Advisory