Re: [oss-security] Linux kernel: HFS+ filesystem implementation issues, exposure in distros

2025-06-11 Thread Marc Deslauriers
On 2025-06-11 13:35, Simon McVittie wrote: On Wed, 11 Jun 2025 at 12:14:36 -0400, Marc Deslauriers wrote: On 2025-06-06 09:40, Attila Szasz wrote: I didn't make this explicit in the video, but this works when running as a non-sudoer user, and also on Ubuntu Server. I think Canonical Pr

Re: [oss-security] Linux kernel: HFS+ filesystem implementation issues, exposure in distros

2025-06-11 Thread Marc Deslauriers
It seems I have overlooked this thread, and want to chime in. On 2025-06-06 09:40, Attila Szasz wrote: OTOH, is there other significant security impact?  As I understood, on Ubuntu a privileged logged in user could use this bug to obtain root. However, is that user perhaps privileged enough to a

Re: [oss-security] CVE-2025-27363: out of bounds write in FreeType <= 2.13.0

2025-03-14 Thread Marc Deslauriers
Hi Michel, On 2025-03-13 22:54, Michel Lind wrote: The fixes I'm working with both the Meta security folks and the EL community (CentOS / AlmaLinux) can be tracked herehttps://gitlab.com/redhat/centos-stream/rpms/freetype/-/merge_requests/8/diffs I think if you're removing the 4 "phantom poin

Re: [oss-security] CVE-2025-27363: out of bounds write in FreeType <= 2.13.0

2025-03-14 Thread Marc Deslauriers
On 2025-03-13 16:50, Vulnerability Disclosure wrote: In the following change +if ( FT_QNEW_ARRAY( outline.points, limit + 4 ) || + FT_QNEW_ARRAY( outline.tags, limit ) || + FT_QNEW_ARRAY( outline.contours, limit ) || + FT_QNEW_ARRAY( unrounded,

Re: [oss-security] CVE-2025-27363: out of bounds write in FreeType <= 2.13.0

2025-03-13 Thread Marc Deslauriers
Hi, On 2025-03-12 16:57, Michel Lind wrote: Description: An out of bounds write exists in FreeType versions 2.13.0 and below when attempting to parse font subglyph structures related to TrueType GX and variable font files. The vulnerable code assigns a signed short value to an unsigned long and