Vulnerability · Published Sep 5, 2021 · Assigned by mitre
CVE-2021-40516
High 7.5
In plain English
A high-severity security flaw in the weechat package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.6% (higher than 76% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)7.5High
Exploit odds (30 days)1.6%top 24.2% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
WeeChat before 3.2.1 allows remote attackers to cause a denial of service (crash) via a crafted WebSocket frame that trigger an out-of-bounds read in plugins/relay/relay-websocket.c in the Relay plugin.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | weechat | 3.2.1-1 | DEBIAN-CVE-2021-40516 |
| Debian:13 | weechat | 3.2.1-1 | DEBIAN-CVE-2021-40516 |
| Debian:14 | weechat | 3.2.1-1 | DEBIAN-CVE-2021-40516 |
Affected products (as reported)
References
- https://weechat.org/doc/security/ x_refsource_MISC
- https://github.com/weechat/weechat/commit/8b1331f98de1714bae15a9ca2e2b393ba49d735b x_refsource_MISC
- [debian-lts-announce] 20210930 [SECURITY] [DLA 2770-1] weechat security update mailing-list, x_refsource_MLIST