| Name | CVE-2018-6836 |
| Description | 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| wireshark (PTS) | buster | 2.6.20-0+deb10u4 | fixed |
| buster (security) | 2.6.20-0+deb10u8 | fixed |
| bullseye (security), bullseye | 3.4.10-0+deb11u1 | fixed |
| bookworm, bookworm (security) | 4.0.11-1~deb12u1 | fixed |
| trixie | 4.2.2-1 | fixed |
| sid | 4.2.2-1.1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| wireshark | source | (unstable) | (not affected) | | | |
Notes
- wireshark <not-affected> (Vulnerable code introduced in v2.5.0)
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14397
Introduced by: https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=52823805b29a44a83eacd0e5b415b11227ec313b
Fixed by: https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=28960d79cca262ac6b974f339697b299a1e28fef