Description
There is a stack consumption vulnerability in the Parser::advanceToNextToken function in parser.cpp in LibSass 3.4.5. A crafted input may lead to remote denial of service.
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 14 | libsass | 3.5.4-1 | — |
| Debian 13 | libsass | 3.5.4-1 | — |
| Debian 12 | libsass | 3.5.4-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | libsass | No fix yet | — |
| Ubuntu 22.04 LTS | libsass | No fix yet | — |
| Ubuntu 20.04 LTS | libsass | No fix yet | — |
| Ubuntu 16.04 LTS | libsass | No fix yet | — |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 18.04 LTS | libsass | No fix yet | — |