How severe is CVE-2011-1155?

CVE-2011-1155 has a CVSS 2.0 base score of 1.9, rated low severity.

Is CVE-2011-1155 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-1155?

CVE-2011-1155 primarily affects Gentoo Logrotate. In total, 14 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-1155?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2011-1155 published?

CVE-2011-1155 was published on 2011-03-30 and last updated on 2026-06-16.

CVE-2011-1155

CVE-2011-1155 is a low-severity vulnerability in Gentoo Logrotate with a CVSS 2.0 base score of 1.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-399.

Key facts

Severity: Low (CVSS 2.0 base score 1.9)
EPSS exploit prediction: 0% (31st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-399
Affected product: Gentoo Logrotate
Published: 2011-03-30
Last modified: 2026-06-16

Description

The writeState function in logrotate.c in logrotate 3.7.9 and earlier might allow context-dependent attackers to cause a denial of service (rotation outage) via a (1) \n (newline) or (2) \ (backslash) character in a log filename, as demonstrated by a filename that is automatically constructed on the basis of a hostname or virtual machine name.

Frequently asked questions

What is CVE-2011-1155?: The writeState function in logrotate.c in logrotate 3.7.9 and earlier might allow context-dependent attackers to cause a denial of service (rotation outage) via a (1) \n (newline) or (2) \ (backslash) character in a log filename, as demonstrated by a filename that is automatically constructed on the basis of a hostname or virtual machine name.
How severe is CVE-2011-1155?: CVE-2011-1155 has a CVSS 2.0 base score of 1.9, rated low severity.
Is CVE-2011-1155 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-1155?: CVE-2011-1155 primarily affects Gentoo Logrotate. In total, 14 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-1155?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-1155 published?: CVE-2011-1155 was published on 2011-03-30 and last updated on 2026-06-16.

References

Affected products (14)

cpe:2.3:a:gentoo:logrotate:*:*:*:*:*:*:*:*
cpe:2.3:a:gentoo:logrotate:3.3:r2:*:*:*:*:*:*
cpe:2.3:a:gentoo:logrotate:3.5.9:*:*:*:*:*:*:*
cpe:2.3:a:gentoo:logrotate:3.5.9:r1:*:*:*:*:*:*
cpe:2.3:a:gentoo:logrotate:3.6.5:*:*:*:*:*:*:*
cpe:2.3:a:gentoo:logrotate:3.6.5:r1:*:*:*:*:*:*
cpe:2.3:a:gentoo:logrotate:3.7:*:*:*:*:*:*:*
cpe:2.3:a:gentoo:logrotate:3.7.1:*:*:*:*:*:*:*
cpe:2.3:a:gentoo:logrotate:3.7.1:r1:*:*:*:*:*:*
cpe:2.3:a:gentoo:logrotate:3.7.1:r2:*:*:*:*:*:*
cpe:2.3:a:gentoo:logrotate:3.7.2:*:*:*:*:*:*:*
cpe:2.3:a:gentoo:logrotate:3.7.6:*:*:*:*:*:*:*
cpe:2.3:a:gentoo:logrotate:3.7.7:*:*:*:*:*:*:*
cpe:2.3:a:gentoo:logrotate:3.7.8:*:*:*:*:*:*:*

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Other CWE-399 (Resource Management Errors) vulnerabilities

CVE-2015-8104 — Critical (CVSS 10.0): The KVM subsystem in the Linux kernel through 4.2.6, and Xen 4.3.x through 4.6.x, allows guest OS users to cause a…
CVE-2015-0339 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
CVE-2015-0335 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
CVE-2015-0333 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
CVE-2014-4121 — Critical (CVSS 10.0): Microsoft .NET Framework 2.0 SP2, 3.5, 3.5.1, 4, 4.5, 4.5.1, and 4.5.2 does not properly parse internationalized…
CVE-2014-0560 — Critical (CVSS 10.0): Use-after-free vulnerability in Adobe Reader and Acrobat 10.x before 10.1.12 and 11.x before 11.0.09 on Windows and OS…

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