CVE-2026-110679

OpenSIPS rtpproxy rtpproxy_answer out-of-bounds

CVSS score

6.9

EPSS probability

—

Risk score

0.7

Published

10 h ago

Overview Public Exploits (0)Newsroom Vulnerability Timeline

Official patch verified

Etkilenen ürün ve sürüm için yayımlanan güvenlik güncellemesini uygulayın.

Impact on My Inventory

Only the personal products you have added to your account are assessed; an organisation's inventory does not appear here.

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Vulnerability description

CVE AI research

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DayBreach AI Explanation

Verified against sources

OpenSIPS rtpproxy Component Out-of-Bounds Vulnerability

Sources read

Source agreement

0/2

Evidence confidence

%39

Short explanation

CVE-2026-110679 affects OpenSIPS up to versions 3.6.8 and 4.0.1 via the rtpproxy_offer/rtpproxy_answer functions in the rtpproxy component, causing an out-of-bounds read. Upstream sources report conflicting CVSS base scores between 6.9 and 7.3.

Why does it matter?

This remotely inducible vulnerability can lead to memory read issues affecting component stability and data handling. Organizations should review vendor advisories and apply available upgrades.

What should be done?

Upgrade OpenSIPS to version 3.6.9 or 4.0.2
Follow vendor advisories for updated guidance

Note on uncertainty

3 alanda kaynak uyuşmazlığı var. DayBreach bu değerleri saklamadı; kaynak karşılaştırması aşağıda gösteriliyor.

Chain of evidence and sources3 verified claims

OpenSIPS 3.6.8 ve 4.0.1 ile önceki sürümler rtpproxy bileşenindeki hata nedeniyle etki altındadır.

S0 · daybreach-canonical S1 · cvelist S2 · nvd

Sorun 3.6.9 ve 4.0.2 sürümlerine yükseltilerek çözülebilmektedir.

S0 · daybreach-canonical S1 · cvelist S2 · nvd

CVSS taban puanı kaynaklar arasında 6.9 ile 7.3 değerleri arasında farklılık göstermektedir.

S0 · daybreach-canonical S1 · cvelist S2 · nvd

Show the technical text from the sources

A vulnerability was determined in OpenSIPS up to 3.6.8/4.0.1. The impacted element is the function rtpproxy_offer/rtpproxy_answer of the component rtpproxy. This manipulation causes out-of-bounds read. The attack may be initiated remotely. Upgrading to version 3.6.9 and 4.0.2 is sufficient to resolve this issue. It is advisable to upgrade the affected component.

CVSS vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X

CWE: CWE-125, CWE-119

Explanation produced with the local gemini-flash-lite-latest model. Numerical metrics and the KEV, patch and exploit statuses are not determined by AI.

IMPACT: Affected Products and Software

Affected Products

The following products are affected by CVE-2026-110679 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.

ID	VENDOR	PRODUCT	ACTION
1	n/a	OpenSIPS	View

Total affected vendors: 1|Products: 1

RED HAT CSAF/VEX: Product Impact Check

Red Hat has not yet published a CSAF/VEX impact record for this CVE. This does not mean “not affected”.

SCORING: CVSS from Multiple Sources

CVSS Scores

The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.

SCORE	VERSION	SEVERITY	VECTOR	SOURCE
7.5	CVSS V2	—	AV:N/AC:L/Au:N/C:P/I:P/A:P	NVD
7.5	CVSS V2_0	—	AV:N/AC:L/Au:N/C:P/I:P/A:P/E:ND/RL:OF/RC:C	CVE CNA
7.3	CVSS V31	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L	NVD
7.3	CVSS V3_1	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C	CVE CNA
7.3	CVSS V3_0	HIGH	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C	CVE CNA
6.9	CVSS V40	MEDIUM	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X	NVD
6.9	CVSS V4_0	MEDIUM	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X	CVE CNA

Patch and Remediation Guide

Solution & Remediation Advisory

Patch verified

2 doğrulanmış yama veya düzeltilmiş sürüm kanıtı bulundu.

cvelist

CNA çözüm referansı

Open source

reference

Yama veya çözüm referansı

Open source

Confirm the affected product and version against the source evidence above.

Restrict access to internet-facing services and apply network segmentation.

Apply the official update named in the evidence only to the matching product and version.

Monitor server logs and network endpoints for signs of anomalous execution.

Public exploit and active exploitation status

Verified exploit intelligence

No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.

Weakness Classification and Attack Patterns (CWE & CAPEC)

CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-110679 is associated with the following CWEs:

CWE-125: Out-of-bounds Read CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-110679 weaknesses.

CAPEC-66: SQL Injection CAPEC-126: Path Traversal CAPEC-28: OS Command Injection

Attack Vector and Accessibility

ExposureAğ üzerinden

PermissionsGerekmiyor

UserGerekmiyor

Official Sources and Advisories

VDB-419834 | OpenSIPS rtpproxy rtpproxy_answer out-of-boundsvendor-advisory VDB-419834 | CTI Indicators (IOB, IOC, IOA)vendor-advisory CVE-2026-110679 | CVE Analysis and Reportvendor-advisory Submit #1003897 | OpenSIPS >= 4.0.0, < 4.0.2 and >= 3.6.0, < 3.6.9 rtpproxy: Unauthenticated out-of-bounds read SIP Call-ID din dtmvendor-advisory https://github.com/OpenSIPS/opensips/security/advisories/GHSA-qv9x-v8jq-434wvendor-advisory https://github.com/OpenSIPS/opensips/releases/tag/4.0.2patch https://github.com/OpenSIPS/opensips/vendor-advisory

CVSS Vector Radar Chart

6.9 / 10

Vulnerability Scoring Details

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone required

User InteractionNone required

Confidentiality (Gizlilik)Low

Integrity (Bütünlük)None

Availability (Erişilebilirlik)Low

Yama doğrulandı

2 doğrulanmış yama veya düzeltilmiş sürüm kanıtı bulundu.

Follow the vendor

n/a

Weakness Type (CWE & CAPEC)

CWE-125 CWE-119

Similar Vulnerabilities

10.0

CVE-2015-3306 Actively exploited

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OpenSIPS rtpproxy rtpproxy_answer out-of-bounds

Impact on My Inventory

Vulnerability description

DayBreach AI Explanation

Short explanation

What should be done?

IMPACT: Affected Products and Software

Affected Products

RED HAT CSAF/VEX: Product Impact Check

SCORING: CVSS from Multiple Sources

CVSS Scores

Patch and Remediation Guide

Solution & Remediation Advisory

Public exploit and active exploitation status

Verified exploit intelligence

Weakness Classification and Attack Patterns (CWE & CAPEC)

CWE - Common Weakness Enumeration

Common Attack Pattern Enumeration and Classification (CAPEC)

Attack Vector and Accessibility

Official Sources and Advisories

CVSS Vector Radar Chart

Vulnerability Scoring Details

Weakness Type (CWE & CAPEC)

Similar Vulnerabilities

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Path traversal in N/a

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