CVE-2026-110658 Sofia-SIP through 1.13.18 Heap Out-of-Bounds Read via msg_multipart_parse
Unauthenticated remote attackers can crash the process by sending oversized MIME boundaries in SIP INVITE messages, causing a heap out-of-bounds read.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-110658?
CVE-2026-110658 is a medium-severity memory corruption vulnerability in freeswitch sofia-sip, published on 14 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Sofia-SIP through 1.13.18 contains a heap out-of-bounds read vulnerability in msg_multipart_parse() that allows unauthenticated remote attackers to crash the process by sending oversized MIME boundaries. Attackers can send an INVITE with a multipart Content-Type whose boundary exceeds the body length, causing memcmp to read past the heap buffer and crash the process.
Weakness: CWE-125
Which versions are affected by CVE-2026-110658?
How do I fix CVE-2026-110658?
No fix has been published for CVE-2026-110658 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-2026-110658 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-110658 exists.
Sources
Also known as DEBIAN-CVE-2026-110658, GHSA-9vj3-xq9j-5vq6, UBUNTU-CVE-2026-110658.