{"id":"CVE-2011-1027","aliases":["EUVD-2011-1044","GHSA-vg34-58mc-jr2w"],"status":"published","title":"Off-by-one error in the convert_query_hexchar function in html.c in cgit.cgi in cgit before 0.8.3...","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.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.03746,"percentile":0.89939,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-193"],"published":"2011-03-20T01:00:00Z","modified":"2026-06-16T23:28:34Z","products":[{"vendor":"fedoraproject","product":"fedora"},{"vendor":"lars_hjemli","product":"cgit"}],"references":[{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055896.html","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","Mailing List","Patch"]},{"url":"http://www.osvdb.org/71005","tags":["vdb-entry","x_refsource_OSVDB","x_transferred","Broken Link"]},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055966.html","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","Mailing List"]},{"url":"http://www.securityfocus.com/bid/46756","tags":["vdb-entry","x_refsource_BID","x_transferred","Broken Link","Exploit","Third Party Advisory","VDB Entry"]},{"url":"http://www.vupen.com/english/advisories/2011/0667","tags":["vdb-entry","x_refsource_VUPEN","x_transferred","Broken Link"]},{"url":"http://openwall.com/lists/oss-security/2011/03/07/3","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","Patch","Third Party Advisory"]},{"url":"http://secunia.com/advisories/43788","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Broken Link","Vendor Advisory"]},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055898.html","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","Mailing List","Patch"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/65919","tags":["vdb-entry","x_refsource_XF","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=680905","tags":["x_refsource_CONFIRM","x_transferred","Exploit","Issue Tracking","Patch"]},{"url":"http://secunia.com/advisories/43633","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Broken Link","Vendor Advisory"]},{"url":"http://article.gmane.org/gmane.comp.version-control.git/168493","tags":["mailing-list","x_refsource_MLIST","x_transferred","Broken Link"]},{"url":"http://hjemli.net/git/cgit/commit/?h=stable\u0026id=fc384b16fb9787380746000d3cea2d53fccc548e","tags":["x_refsource_CONFIRM","x_transferred","Broken Link","Patch"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-1027"},{"url":"https://github.com/advisories/GHSA-vg34-58mc-jr2w"}],"sources":{"cve":[{"id":"CVE-2011-1027","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.","status":"published","published":"2011-03-20T01:00:00Z","modified":"2024-08-06T22:14:27.171Z","updated_at":"2026-11-02T14:35:38.321377Z"}],"euvd":[{"id":"EUVD-2011-1044","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.","status":"published","published":"2011-03-20T01:00:00Z","modified":"2024-08-06T22:14:27Z","updated_at":"2026-11-03T01:55:58.301107Z"}],"ghsa":[{"id":"GHSA-vg34-58mc-jr2w","title":"Off-by-one error in the convert_query_hexchar function in html.c in cgit.cgi in cgit before 0.8.3...","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.","status":"published","published":"2022-05-17T02:01:29Z","modified":"2023-12-22T21:30:20Z","cwes":["CWE-193"],"updated_at":"2026-11-02T14:55:16.323735Z"}],"nvd":[{"id":"CVE-2011-1027","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.","status":"published","published":"2011-03-20T02:00:04.017Z","modified":"2026-06-16T23:28:34.97Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-193"],"updated_at":"2026-11-02T14:02:07.221228Z"}]}}