CVE-2020-8955

irc_mode_channel_update in plugins/irc/irc-mode.c in WeeChat through 2.7 allows remote attackers to cause a denial of service (buffer overflow and application crash) or possibly have unspecified other impact via a malformed IRC message 324 (channel mode).
Classic Buffer Overflow
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/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: 94%
VendorProductVersion
weechatweechat
0.3.8 ≤
𝑥
≤ 2.7
opensusebackports_sle
15.0
opensusebackports_sle
15.0:sp1
opensuseleap
15.1
debiandebian_linux
8.0
debiandebian_linux
9.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
weechat
bullseye
3.0-1+deb11u1
fixed
bookworm
3.8-1
fixed
sid
4.4.2-1
fixed
trixie
4.4.2-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
weechat
lunar
not-affected
kinetic
ignored
jammy
not-affected
impish
ignored
hirsute
ignored
groovy
ignored
focal
not-affected
eoan
ignored
bionic
Fixed 1.9.1-1ubuntu1+esm1
released
xenial
Fixed 1.4-2ubuntu0.1+esm1
released
trusty
dne
References