Out-of-bounds Read in Freeswitch Sofia-Sip
CVE-2026-110658
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- hackmd.io/@haind-pwn/sofia-sip-multipart-oob-read (technical-description, exploit)
- github.com/freeswitch/sofia-sip/blob/ad36ac8f755308e8b87f98a505e83d4e408e5cc3/l… (technical-description)
- github.com/freeswitch/sofia-sip (product)
- www.vulncheck.com/advisories/sofia-sip-through-1.13.18-heap-out-of-bounds-read-… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-110658?
- CVE-2026-110658 is a medium-severity vulnerability in Freeswitch Sofia-Sip, classified under Out-of-bounds Read. CVSS score: 5.3/10. Published 2026-10-14.
- How severe is CVE-2026-110658?
- Medium severity. CVSS v3 base score is 5.3 out of 10.