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CVE-2022-45909

30
FAUCET Score

CVE-2022-45909 is a critical heap-based buffer over-read vulnerability affecting drachtio-server versions prior to 0.8.19. An unauthenticated attacker can exploit this remotely by sending a specially crafted, long Request-URI in an INVITE request, leading to high confidentiality impact and potential denial of service. Despite its critical CVSS score of 9.1, there is currently no evidence of active exploitation, public exploit code, or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.8.19CPE matchmatch criteria
cpe:2.3:a:drachtio:drachtio-server:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.1CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.97%
Probability of exploitation in next 30 days
EPSS Percentile
58.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0097 is in the 43rd 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 / drachtio/drachtio-server/commit/a63d01854987d9fd846cdc9265af38ee9eb72490
PatchThird Party Advisory
github.com / drachtio/drachtio-server/compare/v0.8.18...v0.8.19
PatchThird Party Advisory
github.com / drachtio/drachtio-server/pull/238
Third Party Advisory