7.5

CVE-2021-29376: debian debian_linux

CVSS: 7.5v3.1HighModified
AliasesALPINE-CVE-2021-29376UBUNTU-CVE-2021-29376DEBIAN-CVE-2021-29376
Published 30-03-2021Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2021-29376 is a high (CVSS 7.5) vulnerability in debian debian_linux. EPSS estimates a 2.26% chance of exploitation in the next 30 days, higher than 82.7% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
2.26%
0%100%
Low · -0.06 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 30-03-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

ircII before 20210314 allows remote attackers to cause a denial of service (segmentation fault and client crash, disconnecting the victim from an IRC server) via a crafted CTCP UTC message.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

2.26%

Chance of exploitation in the next 30 days

Percentile

83%

Versus all other CVEs

30-day change

-0.06 pp

From 2.33% on 20-09-2026

20-09-202620-10-2026
EPSS score
2.26%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Debian3 products
  • ircii< 20210314-1 | < 20151120-1+deb9u1
  • scrollz< 2.2.3-2 | < 2.2.3-1+deb9u1
  • debian_linuxEOL9.0
Alpine1 product
  • ircii< 20210314-r0
Eterna1 product
Ubuntu1 product
  • irciiAll versions (No fix recorded)

4 vendors · 6 products

References

9 links