CVE-2018-9261: debian debian_linux Excessive Iteration
CVSS: 7.5v3.0HighModified
AliasesALPINE-CVE-2018-9261UBUNTU-CVE-2018-9261DEBIAN-CVE-2018-9261
Published 04-04-2018Last modified 05-08-2024
Vulnerability summary
CVE-2018-9261 is a high (CVSS 7.5) Excessive Iteration vulnerability in debian debian_linux. EPSS estimates a 2.84% chance of exploitation in the next 30 days, higher than 86.4% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
7.5/10
010
High · v3.0 (NVD)EPSS score
2.84%
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 6 · Related 3Timeline
- 04-04-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
In Wireshark 2.4.0 to 2.4.5 and 2.2.0 to 2.2.13, the NBAP dissector could crash with a large loop that ends with a heap-based buffer overflow. This was addressed in epan/dissectors/packet-nbap.c by prohibiting the self-linking of DCH-IDs.
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
2.84%
Chance of exploitation in the next 30 days
Percentile
86%
Versus all other CVEs
30-day change
0.00 pp
From 2.84% on 18-09-2026
18-09-202618-10-2026
EPSS score2.84%
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 | 8.0 | 9.0
Alpine1 product
- wireshark≥ 2.2.0, < 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≥ 2.2.0, ≤ 2.2.13 | ≥ 2.4.0, ≤ 2.4.5
4 vendors · 5 products
References
10 links- bugs.wireshark.org/bugzilla/show_bug.cgi?id=14471X Refsource MISCExploitIssue TrackingVendor AdvisoryREPORT
- code.wireshark.org/review/…X Refsource MISC
- lists.debian.org/debian-lts-announce/2018/05/msg00019.htmlMailing ListX Refsource MLISTThird Party Advisory