Описание
Despite HTTP headers having a default limit of 1MB, the number of cookies that can be parsed does not have a limit. By sending a lot of very small cookies such as "a=;", an attacker can make an HTTP server allocate a large amount of structs, causing large memory consumption.
Пакеты
| Пакет | Статус | Версия исправления | Релиз | Тип |
|---|---|---|---|---|
| golang-1.25 | fixed | 1.25.2-1 | package | |
| golang-1.24 | fixed | 1.24.8-1 | package | |
| golang-1.24 | no-dsa | trixie | package | |
| golang-1.23 | removed | package | ||
| golang-1.19 | removed | package | ||
| golang-1.19 | no-dsa | bookworm | package | |
| golang-1.15 | removed | package | ||
| golang-1.15 | postponed | bullseye | package |
Примечания
https://groups.google.com/g/golang-announce/c/4Emdl2iQ_bI/m/qZN5nc-mBgAJ
https://github.com/golang/go/issues/75672
https://github.com/golang/go/commit/100c5a66802b5a895b1d0e5ed3b7918f899c4833 (go1.25.2)
https://github.com/golang/go/commit/c6b04dd33b0215f5deb83724661921842bf67607 (go1.24.8)
EPSS
Связанные уязвимости
Despite HTTP headers having a default limit of 1MB, the number of cookies that can be parsed does not have a limit. By sending a lot of very small cookies such as "a=;", an attacker can make an HTTP server allocate a large amount of structs, causing large memory consumption.
Despite HTTP headers having a default limit of 1MB, the number of cookies that can be parsed does not have a limit. By sending a lot of very small cookies such as "a=;", an attacker can make an HTTP server allocate a large amount of structs, causing large memory consumption.
Lack of limit when parsing cookies can cause memory exhaustion in net/http
Despite HTTP headers having a default limit of 1MB, the number of cookies that can be parsed does not have a limit. By sending a lot of very small cookies such as "a=;", an attacker can make an HTTP server allocate a large amount of structs, causing large memory consumption.
Уязвимость компонента net/http языка программирования Go, позволяющая нарушителю вызвать отказ в обслуживании
EPSS