CVE-2023-22741

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.8 under NVD CVSS v3. EPSS exploit probability: 2.4%, top 18% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
Elevated
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 2%CVSS: 9.8Exploit: NoneExposed: 0

A fix is available — apply it.

Sofia-SIP is an open-source SIP User-Agent library, compliant with the IETF RFC3261 specification. In affected versions Sofia-SIP lacks both message length and attributes length checks when it handles STUN packets, leading to controllable heap-over-flow. For example, in stun_parse_attribute(), after we get the attribute's type and length value, the length will be used directly to copy from the heap, regardless of the message's left size. Since network users control the overflowed length, and the data is written to heap chunks later, attackers may achieve remote code execution by heap grooming or other exploitation methods. The bug was introduced 16 years ago in sofia-sip 1.12.4 (plus some patches through 12/21/2006) to in tree libs with git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@3774 d0543943-73ff-0310-b7d9-9358b9ac24b2. Users are advised to upgrade. There are no known workarounds for this vulnerability.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
75(Attend)
EG Risk 75/100SSVC: Attend

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity98% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS
82.1%
KEV
Not listed

Published

January 19, 2023

Last Modified

November 21, 2024

Advisory Details (3)

Auto-updated May 25, 2026
🔬 Proof of concept available. Patch available. Sources: github_commit, github.
generic

[SECURITY] [DSA 5410-1] sofia-sip

https://www.debian.org/security/2023/dsa-5410
github Patch Available🟡 PoC Available

heap-over-flow in stun_parse_attribute · Advisory · freeswitch/sofia-sip · GitHub

https://github.com/freeswitch/sofia-sip/security/advisories/GHSA-8599-x7rq-fr54
github_commit Patch Available

commit da53e4fbcb13 (freeswitch/sofia-sip)

Patch available: freeswitch/sofia-sip v1.13.11 (contains commit da53e4fbcb13)

https://github.com/freeswitch/sofia-sip/commit/da53e4fbcb138b080a75576dd49c1fff2ada2764

Patch Availability(1)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulibsofia-sip-ua-dev (1.12.11+20110422.1-2.1+deb10u3ubuntu0.22.04.1) @ jammy2026-05-25ubuntu

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

All Vendor Advisories

(1)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 13× in last 7d / 51× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 112 total refreshes for this CVE.

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Frequently asked(5)

What is CVE-2023-22741?
CVE-2023-22741 is a critical vulnerability published on January 19, 2023. Sofia-SIP is an open-source SIP User-Agent library, compliant with the IETF RFC3261 specification. In affected versions Sofia-SIP lacks both message length and attributes length checks when it handles STUN packets, leading to controllable heap-over-flow. For example, in stunparseattribute(), after…
When was CVE-2023-22741 disclosed?
CVE-2023-22741 was first published in the National Vulnerability Database on January 19, 2023, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-22741 actively exploited?
CVE-2023-22741 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 82.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2023-22741?
CVE-2023-22741 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2023-22741?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-22741, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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