CVE-2011-1027

CVE-2011-1027 is a medium-severity vulnerability in Lars Hjemli Cgit with a CVSS 2.0 base score of 5.0. 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-193.

Key facts

Description

Off-by-one error in the convert_query_hexchar function in html.c in cgit.cgi in cgit before 0.8.3.5 allows remote attackers to cause a denial of service (infinite loop) via a string composed of a % (percent) character followed by invalid hex characters, as demonstrated by a %gg sequence.

Frequently asked questions

What is CVE-2011-1027?
Off-by-one error in the convert_query_hexchar function in html.c in cgit.cgi in cgit before 0.8.3.5 allows remote attackers to cause a denial of service (infinite loop) via a string composed of a % (percent) character followed by invalid hex characters, as demonstrated by a %gg sequence.
How severe is CVE-2011-1027?
CVE-2011-1027 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2011-1027 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-1027?
CVE-2011-1027 primarily affects Lars Hjemli Cgit. In total, 26 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-1027?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-1027 published?
CVE-2011-1027 was published on 2011-03-20 and last updated on 2026-06-16.

References

Affected products (26)

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