FreeSWITCH sofia-sip up to 1.13.18 Multipart Parser msg_multipart_parse out-of-bounds

Summaryinfo

A vulnerability labeled as critical has been found in FreeSWITCH sofia-sip up to 1.13.18. The impacted element is the function msg_multipart_parse of the component Multipart Parser. Such manipulation leads to out-of-bounds. This vulnerability is traded as CVE-2026-110658. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in FreeSWITCH sofia-sip up to 1.13.18 and classified as critical. Affected by this issue is the function msg_multipart_parse of the component Multipart Parser. The manipulation with an unknown input leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is availability. CVE summarizes:

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.

The advisory is available at hackmd.io. This vulnerability is handled as CVE-2026-110658 since 10/14/2026. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 10/14/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

• IP Phone Software

Vendor

• FreeSWITCH

Name

• sofia-sip

Version

• 1.13.0
• 1.13.1
• 1.13.2
• 1.13.3
• 1.13.4
• 1.13.5
• 1.13.6
• 1.13.7
• 1.13.8
• 1.13.9
• 1.13.10
• 1.13.11
• 1.13.12
• 1.13.13
• 1.13.14
• 1.13.15
• 1.13.16
• 1.13.17
• 1.13.18

CPE 2.3info

• 🔒
• 🔒
• 🔒

CPE 2.2info

• 🔒
• 🔒
• 🔒

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Exploitinginfo

Threat Intelligenceinfo

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Sourcesinfo

Entryinfo

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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