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
Published Mar 20, 2011
5.0
MEDIUMCVSS 2.0
EPSS 3.75%
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.
Affected products
No data.
Configuration 1
- ≤ 0.8.3.4
- 0.1
- 0.2
- 0.3
- 0.4
- 0.5
- 0.6
- 0.6.1
- 0.6.2
- 0.6.3
- 0.7
- 0.7.1
- 0.7.2
- 0.8
- 0.8.1
- 0.8.1.1
- 0.8.2
- 0.8.2.1
- 0.8.2.2
- 0.8.3
- 0.8.3.1
- 0.8.3.2
- 0.8.3.3
Configuration 2
- 13
- 14
- 15
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.75% (0.03746) | 89.52th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.75% (0.03746) | 88.41th | v5 (v2026.06.15) |
| Mar 30, 2025 | 5.19% (0.05194) | 88.94th | v4 (v2025.03.14) |
| Mar 29, 2025 | 3.87% (0.03867) | 80.08th | v4 (v2025.03.14) |
| Mar 17, 2025 | 5.19% (0.05194) | 89.19th | v4 (v2025.03.14) |
| Dec 17, 2024 | 3.03% (0.03035) | 90.73th | v3 (v2023.03.01) |
| Dec 23, 2023 | 4.22% (0.04222) | 91.37th | v3 (v2023.03.01) |
| Apr 7, 2023 | 9.19% (0.09185) | 93.68th | v3 (v2023.03.01) |
| Mar 7, 2023 | 9.06% (0.09059) | 93.61th | v3 (v2023.03.01) |
| Mar 6, 2023 | 3.78% (0.03779) | 85.48th | v2 (v2022.01.01) |
| Apr 1, 2022 | 3.78% (0.03779) | 84.01th | v2 (v2022.01.01) |
| Feb 4, 2022 | 3.78% (0.03779) | 67.21th | v2 (v2022.01.01) |
References (13)
- http://article.gmane.org/gmane.comp.version-control.git/168493 mailing-listx_refsource_MLISTBroken Link
- http://hjemli.net/git/cgit/commit/?h=stable&id=fc384b16fb9787380746000d3cea2d53fccc548e x_refsource_CONFIRMBroken LinkPatch
- http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055896.html vendor-advisoryx_refsource_FEDORAMailing ListPatch
- http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055898.html vendor-advisoryx_refsource_FEDORAMailing ListPatch
- http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055966.html vendor-advisoryx_refsource_FEDORAMailing List
- http://openwall.com/lists/oss-security/2011/03/07/3 mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory
- http://secunia.com/advisories/43633 third-party-advisoryx_refsource_SECUNIABroken LinkVendor Advisory
- http://secunia.com/advisories/43788 third-party-advisoryx_refsource_SECUNIABroken LinkVendor Advisory
- http://www.osvdb.org/71005 vdb-entryx_refsource_OSVDBBroken Link
- http://www.securityfocus.com/bid/46756 vdb-entryx_refsource_BIDBroken LinkExploitThird Party AdvisoryVDB Entry
- http://www.vupen.com/english/advisories/2011/0667 vdb-entryx_refsource_VUPENBroken Link
- https://bugzilla.redhat.com/show_bug.cgi?id=680905 x_refsource_CONFIRMExploitIssue TrackingPatch
- https://exchange.xforce.ibmcloud.com/vulnerabilities/65919 vdb-entryx_refsource_XFThird Party AdvisoryVDB Entry
Change history (0)
No recorded changes yet.