This security bulletin contains one medium risk vulnerability.
CWE-125 - Out-of-bounds read
Exploit availability: NoDescription
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition in blurhash transcoder. A remote attacker can trigger out-of-bounds read error and read contents of memory on the system.Mitigation
Install updates from vendor's website.Vulnerable software versions
Mastodon: 3.4.0 - 3.5.3External links
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.