9.1

CVE-2022-45909: drachtio drachtio-server Out-of-bounds Read

Modified
Published 26-11-2022Last modified 25-04-2025

Vulnerability summary

CVE-2022-45909 is a critical (CVSS 9.1) Out-of-bounds Read vulnerability in drachtio drachtio-server. EPSS estimates a 1.08% chance of exploitation in the next 30 days, higher than 65.2% of scored vulnerabilities.

Priority
Prioritisesevere

Severe, CVSS 9.1 (CVE.org); no exploitation reported by the 5 checked sources; EPSS 1% (FIRST, 10-11-2026)

Source freshness unavailable

How is this decided?
CVSS score
9.1/10
010
Critical · v3.1 (CVE.org)
EPSS score
1.08%
0%100%
Low · +0.02 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Timeline

  1. 26-11-2022
    PublishedVulnerability first disclosed.
  2. 25-04-2025
    Last modifiedVulnerability information updated.

Description

drachtio-server before 0.8.19 has a heap-based buffer over-read via a long Request-URI in an INVITE request.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

1.08%

Chance of exploitation in the next 30 days

Percentile

65%

Versus all other CVEs

30-day change

Increase +0.02 pp

From 1.05% on 11-10-2026

11-10-202610-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Drachtio1 product

1 vendor · 1 product

References

3 links