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CVE-2023-22741

30
FAUCET Score

CVE-2023-22741 is a critical heap-overflow vulnerability in Sofia-SIP, an open-source SIP User-Agent library used by products like Signalwire sofia_sip. The flaw stems from a lack of message and attribute length checks when processing STUN packets, allowing attackers to control overflowed lengths and potentially achieve remote code execution. With a CVSS score of 9.8 (CRITICAL), this vulnerability is easily exploitable over the network without user interaction, leading to high impacts on confidentiality, integrity, and availability. While no active exploitation, public exploit code, or significant community discussion has been observed, users are strongly advised to upgrade to patched versions.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.13.11CPE matchmatch criteria
cpe:2.3:a:signalwire:sofia-sip:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.38%
Probability of exploitation in next 30 days
EPSS Percentile
82.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0238 is in the 72nd percentile among its peer group of 36,862 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

github.com / freeswitch/sofia-sip/commit/da53e4fbcb138b080a75576dd49c1fff2ada2764
PatchThird Party Advisory
github.com / freeswitch/sofia-sip/security/advisories/GHSA-8599-x7rq-fr54
ExploitPatchThird Party Advisory
debian.org / security/2023/dsa-5410