On 04/04/24 21:36, Salvatore Bonaccorso wrote:
> Source: nghttp2
> Version: 1.60.0-1
> Severity: grave
> Tags: security upstream
> Justification: user security hole
> X-Debbugs-Cc: car...@debian.org, Debian Security Team
>
>
> Hi,
>
> The following vulnerability was published for nghttp2.
>
> CVE-2024-28182[0]:
> | nghttp2 is an implementation of the Hypertext Transfer Protocol
> | version 2 in C. The nghttp2 library prior to version 1.61.0 keeps
> | reading the unbounded number of HTTP/2 CONTINUATION frames even
> | after a stream is reset to keep HPACK context in sync. This causes
> | excessive CPU usage to decode HPACK stream. nghttp2 v1.61.0
> | mitigates this vulnerability by limiting the number of CONTINUATION
> | frames it accepts per stream. There is no workaround for this
> | vulnerability.
>
>
> If you fix the vulnerability please also make sure to include the
> CVE (Common Vulnerabilities & Exposures) id in your changelog entry.
>
> For further information see:
>
> [0] https://security-tracker.debian.org/tracker/CVE-2024-28182
> https://www.cve.org/CVERecord?id=CVE-2024-28182
> [1] https://github.com/nghttp2/nghttp2/security/advisories/GHSA-x6x3-gv8h-m57q
>
> Please adjust the affected versions in the BTS as needed.
>
> Regards,
> Salvatore
As the first measure I uploaded 1.61.0-1 to unstable with urgency=high.
Looking into older versions and appropriately patching them will take more time.
Tomasz
