VulnerabilityModified
CVE-2021-40516
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.
HIGH 7.5EPSS 1.59%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.59%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 1.59% probability · 74th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-125
- Affected
- weechat/weechat · debian/debian linux
- Source
- cve@mitre.org
References
- https://github.com/weechat/weechat/commit/8b1331f98de1714bae15a9ca2e2b393ba49d735bPatch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/09/msg00018.htmlMailing List, Third Party Advisory
- https://weechat.org/doc/security/Patch, Vendor Advisory
- https://github.com/weechat/weechat/commit/8b1331f98de1714bae15a9ca2e2b393ba49d735bPatch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/09/msg00018.htmlMailing List, Third Party Advisory
- https://weechat.org/doc/security/Patch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.