Is CVE-2011-1027 being actively exploited?

CVE-2011-1027 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2011-1027?

CVE-2011-1027 has a CVSS 2.0 base score of 5.0 (MEDIUM).

CVE-2011-1027

MEDIUM · CVSS 5.0EPSS 3.7%EU EUVD

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.

Key facts

CVSS score: 5.0 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness (CWE): CWE-193
EPSS score: 3.7% (90th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2011-1044)
Published: March 20, 2011
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2011-1044 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

fedoraproject / fedora
fedoraproject / fedora
fedoraproject / fedora
lars hjemli / cgit
lars hjemli / cgit
lars hjemli / cgit
lars hjemli / cgit
lars hjemli / cgit
lars hjemli / cgit
lars hjemli / cgit
lars hjemli / cgit
lars hjemli / cgit
lars hjemli / cgit
lars hjemli / cgit
lars hjemli / cgit
lars hjemli / cgit
lars hjemli / cgit
lars hjemli / cgit
lars hjemli / cgit
lars hjemli / cgit
lars hjemli / cgit
lars hjemli / cgit
lars hjemli / cgit
lars hjemli / cgit
lars hjemli / cgit
lars hjemli / cgit

References

http://article.gmane.org/gmane.comp.version-control.git/168493(Broken Link)
http://hjemli.net/git/cgit/commit/?h=stable&id=fc384b16fb9787380746000d3cea2d53fccc548e(Broken Link, Patch)
http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055896.html(Mailing List, Patch)
http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055898.html(Mailing List, Patch)
http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055966.html(Mailing List)
http://openwall.com/lists/oss-security/2011/03/07/3(Mailing List, Patch, Third Party Advisory)
http://secunia.com/advisories/43633(Broken Link, Vendor Advisory)
http://secunia.com/advisories/43788(Broken Link, Vendor Advisory)
http://www.osvdb.org/71005(Broken Link)
http://www.securityfocus.com/bid/46756(Broken Link, Exploit, Third Party Advisory, VDB Entry)
http://www.vupen.com/english/advisories/2011/0667(Broken Link)
https://bugzilla.redhat.com/show_bug.cgi?id=680905(Exploit, Issue Tracking, Patch)
https://exchange.xforce.ibmcloud.com/vulnerabilities/65919(Third Party Advisory, VDB Entry)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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