What’s Vulnerable › Vulnerabilities

CVE-2026-110658: Sofia-SIP through 1.13.18 Heap Out-of-Bounds Read via msg_multipart_parse

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-14 · updated 2026-10-15
• Weakness: CWE-125

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.

Affected products

• freeswitch sofia-sip: through 1.13.18

References

• https://github.com/freeswitch/sofia-sip
• https://github.com/freeswitch/sofia-sip/blob/ad36ac8f755308e8b87f98a505e83d4e408e5cc3/libsofia-sip-ua/msg/msg_mime.c#L404
• https://hackmd.io/@haind-pwn/sofia-sip-multipart-oob-read
• https://www.vulncheck.com/advisories/sofia-sip-through-1.13.18-heap-out-of-bounds-read-via-msg-multipart-parse

Get alerted when CVE-2026-110658 or the next vulnerability affects your stack