CVE-2018-6836

The netmonrec_comment_destroy function in wiretap/netmon.c in Wireshark through 2.4.4 performs a free operation on an uninitialized memory address, which allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 55%
VendorProductVersion
wiresharkwireshark
𝑥
≤ 2.4.4
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
wireshark
bullseye
3.4.10-0+deb11u1
fixed
bullseye (security)
3.4.16-0+deb11u1
fixed
bookworm
4.0.11-1~deb12u1
fixed
bookworm (security)
4.0.11-1~deb12u1
fixed
trixie
4.4.0-1
fixed
sid
4.4.1-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
wireshark
bionic
Fixed 2.6.3-1~ubuntu18.04.1
released
artful
ignored
xenial
Fixed 2.6.3-1~ubuntu16.04.1
released
trusty
Fixed 2.6.3-1~ubuntu14.04.1
released
Common Weakness Enumeration
References
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14397
https://code.wireshark.org/review/#/c/25660/
https://code.wireshark.org/review/#/c/25660/2/wiretap/netmon.c
https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=28960d79cca262ac6b974f339697b299a1e28fef
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14397
https://code.wireshark.org/review/#/c/25660/
https://code.wireshark.org/review/#/c/25660/2/wiretap/netmon.c
https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=28960d79cca262ac6b974f339697b299a1e28fef