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Stack-based buffer overflow in the inbound_cap_ls function in common/inbound.c in HexChat 2.10.2 allows remote IRC servers to cause a denial of service (crash) via a large number of options in a CAP LS message.
3 affected packages
hexchat, xchat, xchat-gnome
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| hexchat | Not affected | Not affected | Not affected | Not affected |
| xchat | Not in release | Not in release | Not affected | Not affected |
| xchat-gnome | Not in release | Not in release | Not in release | Not in release |
Directory traversal vulnerability in the client in HexChat 2.11.0 allows remote IRC servers to read or modify arbitrary files via a .. (dot dot) in the server name.
3 affected packages
hexchat, xchat, xchat-gnome
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| hexchat | Not affected | Not affected | Not affected | Not affected |
| xchat | Not in release | Not in release | Not affected | Not affected |
| xchat-gnome | Not in release | Not in release | Not in release | Not in release |
Some fixes available 4 of 6
The ssl_do_connect function in common/server.c in HexChat before 2.10.2, XChat, and XChat-GNOME does not verify that the server hostname matches a domain name in the X.509 certificate, which allows man-in-the-middle attackers to...
3 affected packages
xchat, hexchat, xchat-gnome
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| xchat | — | — | — | Not affected |
| hexchat | — | — | — | Not affected |
| xchat-gnome | — | — | — | Not in release |
Heap-based buffer overflow in XChat 2.8.9 and earlier allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a long response string.
2 affected packages
xchat, xchat-gnome
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| xchat | — | — | — | — |
| xchat-gnome | — | — | — | — |