7.5

CVE-2022-41881: debian debian_linux Uncontrolled Recursion

Modified
AliasesUBUNTU-CVE-2022-41881DEBIAN-CVE-2022-41881GHSA-fx2c-96vj-985v
Published 12-12-2022Last modified 22-04-2025

Vulnerability summary

CVE-2022-41881 is a high (CVSS 7.5) Uncontrolled Recursion vulnerability in debian debian_linux. EPSS estimates a 1.58% chance of exploitation in the next 30 days, higher than 75.5% of scored vulnerabilities. 1 public exploit is recorded.

Priority
Routine

Not severe (CVSS 5.3, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
1.58%
0%100%
Low · +0.06 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits1github

Advisory lineage

Upstream 0 · Downstream 14 · Related 6
DLA-3268-1DSA-5316-1OPENSUSE-SU-2024:14442-1RHSA-2023:1512RHSA-2023:1513RHSA-2023:1514

Timeline

  1. 12-12-2022
    PublishedVulnerability first disclosed.
  2. 22-04-2025
    Last modifiedVulnerability information updated.

Description

Netty project is an event-driven asynchronous network application framework. In versions prior to 4.1.86.Final, a StackOverflowError can be raised when parsing a malformed crafted message due to an infinite recursion. This issue is patched in version 4.1.86.Final. There is no workaround, except using a custom HaProxyMessageDecoder.

CVSS metrics

5 scores · 5 sources · 1 version

EPSS trend

Probability

1.58%

Chance of exploitation in the next 30 days

Percentile

76%

Versus all other CVEs

30-day change

Increase +0.06 pp

From 1.52% on 04-10-2026

04-10-202603-11-2026

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

1 found
  • githubUnverified

    Netty

    Maturity: poc

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.

Debian2 products
Ubuntu2 products
  • nettyAll versions (No fix recorded) | < 1:4.0.34-1ubuntu0.1~esm1 | < 1:4.1.7-4ubuntu0.1+esm2 | < 1:4.1.45-1ubuntu0.1~esm1 | < 1:4.1.48-4+deb11u1build0.22.04.1
  • netty-3.9All versions (No fix recorded)
Io.netty1 product
  • netty-codec-haproxy< 4.1.86.Final
Netty1 product
  • netty< 4.1.86.Final | < 4.1.86

4 vendors · 6 products

References

11 links
Show all 11 references