CVE-2024-49395 Mutt: neomutt: bcc email header field is indirectly leaked by cryptographic info block
Attackers can infer Bcc recipients from PGP encryption metadata in Mutt and Neomutt, leaking private recipient information.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2024-49395?
CVE-2024-49395 is a medium-severity vulnerability in Redhat Enterprise Linux, published on 12 Nov 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
In mutt and neomutt, PGP encryption does not use the --hidden-recipient mode which may leak the Bcc email header field by inferring from the recipients info.
Weakness: CWE-1230
Which versions are affected by CVE-2024-49395?
It affects 3 products.
Products include Mutt Mutt, Neomutt Neomutt, Redhat Enterprise Linux.
How do I fix CVE-2024-49395?
Apply the vendor's patch.
Is CVE-2024-49395 being exploited?
There is no known exploitation of CVE-2024-49395 in the wild and no public exploit code.
Other vulnerabilities in Redhat Enterprise Linux
Sources
Also known as CLSA-2026-1783344253, CLSA-2026-1783694989, DEBIAN-CVE-2024-49395, GHSA-88hm-mv53-m5h7, UBUNTU-CVE-2024-49395.