CVE-2018-14339: debian debian_linux Improper Input Validation
CVSS: 7.5v3.0HighModified
AliasesUBUNTU-CVE-2018-14339DEBIAN-CVE-2018-14339
Published 19-07-2018Last modified 05-08-2024
Vulnerability summary
CVE-2018-14339 is a high (CVSS 7.5) Improper Input Validation vulnerability in debian debian_linux. EPSS estimates a 3.47% chance of exploitation in the next 30 days, higher than 88.9% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v3.0 (NVD)EPSS score
3.47%
0%100%
Low · -0.04 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 9 · Related 7Timeline
- 19-07-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
In Wireshark 2.6.0 to 2.6.1, 2.4.0 to 2.4.7, and 2.2.0 to 2.2.15, the MMSE dissector could go into an infinite loop. This was addressed in epan/proto.c by adding offset and length validation.
CVSS metrics
4 scores · 3 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 3 agree
- 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
3.47%
Chance of exploitation in the next 30 days
Percentile
89%
Versus all other CVEs
30-day change
-0.04 pp
From 3.52% on 19-09-2026
19-09-202619-10-2026
EPSS score3.47%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-20Improper Input ValidationThe product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
- 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< 2.6.2-1
- debian_linuxEOL8.0
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≥ 2.2.0, ≤ 2.2.15 | ≥ 2.4.0, ≤ 2.4.7 | ≥ 2.6.0, ≤ 2.6.1
3 vendors · 4 products
References
11 links- code.wireshark.org/review/…X Refsource CONFIRM
lists.debian.org/debian-lts-announce/2018/07/msg00045.htmlMailing ListX Refsource MLISTThird Party Advisory- bugs.wireshark.org/bugzilla/show_bug.cgi?id=14738X Refsource CONFIRMIssue TrackingVendor AdvisoryREPORT