Description
Rxvt 2.7.10 is vulnerable to a denial of service attack by passing the value -2^31 inside a terminal escape code, which results in a non-invertible integer that eventually leads to a segfault due to an out of bounds read.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| The RXVT Project | rxvt | 2.7.10 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 9 | rxvt | 1:2.7.10-7+deb9u2 | DLA-2683-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | rxvt | No fix yet | — |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | rxvt-unicode | 9.26-3.3 | openSUSE-SU-2024:11361-1 |
Advisories 2
- DLA-2683-1 rxvt - security update Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2024:11361-1 rxvt-unicode-9.26-3.3 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026