CVE-2026-110658

MEDIUM 5.3

Sofia-SIP through 1.13.18 Heap Out-of-Bounds Read via msg_multipart_parse

CVSS Score

5.3

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-125
Vendor	freeswitch
Product	sofia-sip
Published	Oct 14, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

Affected Versions

freeswitch / sofia-sip

0 ≤ 1.13.18

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

HaiND from the Post and Telecommunication Institute of Technology