CVE-2026-58095 ppp(8): incorrect length calculation in mp_Enddisc()
A malicious PPP peer can trigger a buffer overflow in ppp(8), potentially leading to arbitrary code execution as root or a system crash.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-58095?
CVE-2026-58095 is a high-severity memory corruption vulnerability in Freebsd Freebsd, published on 26 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
mp_Enddisc() used incorrect length calculations when formatting endpoint discriminator addresses for display, allowing a received endpoint option to overflow a global result buffer.
A malicious PPP peer can crash ppp(8) or potentially execute arbitrary code as root.
Weakness: CWE-122
Which versions are affected by CVE-2026-58095?
It affects 1 product.
Products include Freebsd Freebsd.
How do I fix CVE-2026-58095?
No fix has been published for CVE-2026-58095 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-58095 being exploited?
There is no known exploitation of CVE-2026-58095 in the wild and no public exploit code.