2.1

CVE-2011-4623: rsyslog Numeric Errors

CVSS: 2.1v2.0LowModified
AliasesRHSA-2012:0796DEBIAN-CVE-2011-4623
Published 25-09-2012Last modified 07-08-2024
Open JSON

Vulnerability summary

CVE-2011-4623 is a low (CVSS 2.1) Numeric Errors vulnerability in rsyslog. EPSS estimates a 0.42% chance of exploitation in the next 30 days, higher than 35.1% of scored vulnerabilities.

Overall risk
8/100
0100
Minimal · default modelHow is this calculated?
CVSS score
2.1/10
010
Low · v2.0 (NVD)
EPSS score
0.42%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 25-09-2012
    PublishedVulnerability first disclosed.
  2. 07-08-2024
    Last modifiedVulnerability information updated.

Description

Integer overflow in the rsCStrExtendBuf function in runtime/stringbuf.c in the imfile module in rsyslog 4.x before 4.6.6, 5.x before 5.7.4, and 6.x before 6.1.4 allows local users to cause a denial of service (daemon hang) via a large file, which triggers a heap-based buffer overflow.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

0.42%

Chance of exploitation in the next 30 days

Percentile

35%

Versus all other CVEs

30-day change

0.00 pp

From 0.42% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.42%

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

Affected systems

Redhat8 products
  • rsyslog< 0:5.8.10-2.el6
  • rsyslog-debuginfo< 0:5.8.10-2.el6
  • rsyslog-gnutls< 0:5.8.10-2.el6
  • rsyslog-gssapi< 0:5.8.10-2.el6
  • rsyslog-mysql< 0:5.8.10-2.el6
Debian1 product
  • rsyslog< 5.7.4-1
Rsyslog1 product
  • rsyslog4.1.0 | 4.1.1 | 4.1.2 | 4.1.3 | 4.1.4 | 4.1.5 | 4.1.6 | 4.1.7 | 4.2.0 | 4.3.0 | 4.3.1 | 4.3.2 | 4.4.0 | 4.4.1 | 4.4.2 | 4.5.0 | 4.5.1 | 4.5.2 | 4.5.3 | 4.5.4 | 4.5.5 | 4.5.6 | 4.5.7 | 4.5.8 | 4.6.0 | 4.6.1 | 4.6.2 | 4.6.3 | 4.6.4 | 4.6.5 | 5.1.0 | 5.1.1 | 5.1.2 | 5.1.3 | 5.1.4 | 5.1.5 | 5.1.6 | 5.2.0 | 5.2.1 | 5.2.2 | 5.3.1 | 5.3.2 | 5.3.3 | 5.3.4 | 5.3.5 | 5.3.6 | 5.3.7 | 5.4.0 | 5.4.1 | 5.4.2 | 5.5.0 | 5.5.1 | 5.5.2 | 5.5.3 | 5.5.4 | 5.5.5 | 5.5.6 | 5.5.7 | 5.6.0 | 5.6.1 | 5.6.2 | 5.6.3 | 5.6.4 | 5.6.5 | 5.7.0 | 5.7.1 | 5.7.2 | 5.7.3 | 6.1.0 | 6.1.1 | 6.1.2 | 6.1.3

3 vendors · 10 products

References

25 links
Show all 25 references