CVE-2018-9258: debian debian_linux Improper Input Validation
CVSS: 7.5v3.0HighModified
AliasesALPINE-CVE-2018-9258UBUNTU-CVE-2018-9258DEBIAN-CVE-2018-9258
Published 04-04-2018Last modified 05-08-2024
Vulnerability summary
CVE-2018-9258 is a high (CVSS 7.5) Improper Input Validation vulnerability in debian debian_linux. EPSS estimates a 1.91% chance of exploitation in the next 30 days, higher than 79.4% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
7.5/10
010
High · v3.0 (NVD)EPSS score
1.91%
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 3 · Related 1Timeline
- 04-04-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
In Wireshark 2.4.0 to 2.4.5, the TCP dissector could crash. This was addressed in epan/dissectors/packet-tcp.c by preserving valid data sources.
CVSS metrics
5 scores · 4 sources · 2 versionsHigh 7.5Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 4 agree
- OSV · AlpineEcosystem advisory · calculated7.5HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.0/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
1.91%
Chance of exploitation in the next 30 days
Percentile
79%
Versus all other CVEs
30-day change
0.00 pp
From 1.91% on 18-09-2026
18-09-202618-10-2026
EPSS score1.91%
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
Debian2 products
- wireshark< 2.4.6-1
- debian_linuxEOL7.0
Alpine1 product
- wireshark≥ 2.4.0, < 2.2.14-r0
Ubuntu1 product
- wireshark< 2.6.3-1~ubuntu14.04.1 | < 2.6.3-1~ubuntu16.04.1 | < 2.6.3-1~ubuntu18.04.1
Wireshark1 product
- wireshark≥ 2.4.0, ≤ 2.4.5
4 vendors · 5 products
References
9 links- code.wireshark.org/review/…X Refsource MISC
lists.debian.org/debian-lts-announce/2018/05/msg00019.htmlMailing ListX Refsource MLISTThird Party Advisory- bugs.wireshark.org/bugzilla/show_bug.cgi?id=14472X Refsource MISCExploitIssue TrackingVendor AdvisoryREPORT