Array index error in the uri_lookup function in the URI parser for neon 0.26.0 to 0.26.2, possibly only on 64-bit platforms, allows remote malicious servers to cause a denial of service (crash) via a URI with non-ASCII characters, which triggers a buffer under-read due to a type conversion error that generates a negative index
Published Jan 9, 2007
7.8
HIGHCVSS 2.0
EPSS 2.16%
Description
Array index error in the uri_lookup function in the URI parser for neon 0.26.0 to 0.26.2, possibly only on 64-bit platforms, allows remote malicious servers to cause a denial of service (crash) via a URI with non-ASCII characters, which triggers a buffer under-read due to a type conversion error that generates a negative index.
Affected products
Remediation
Red Hat statement
Not vulnerable. This issue does not affect the older versions of neon as shipped with Red Hat Enterprise Linux 2.1, 3, and 4. This issue also does not affect the older versions of neon included in the cadaver package.
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:C
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 (16 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.16% (0.02159) | 81.54th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.09% (0.02092) | 79.13th | v5 (v2026.06.15) |
| Mar 17, 2025 | 2.81% (0.02807) | 85.19th | v4 (v2025.03.14) |
| Dec 12, 2024 | 7.55% (0.07553) | 94.41th | v3 (v2023.03.01) |
| Sep 14, 2024 | 7.55% (0.07553) | 94.27th | v3 (v2023.03.01) |
| Jul 21, 2024 | 5.64% (0.05644) | 93.37th | v3 (v2023.03.01) |
| Apr 14, 2024 | 6.69% (0.06690) | 93.72th | v3 (v2023.03.01) |
| Dec 21, 2023 | 7.55% (0.07553) | 93.46th | v3 (v2023.03.01) |
| Nov 13, 2023 | 4.70% (0.04699) | 91.74th | v3 (v2023.03.01) |
| Oct 6, 2023 | 3.07% (0.03071) | 89.83th | v3 (v2023.03.01) |
| Aug 29, 2023 | 3.03% (0.03028) | 89.66th | v3 (v2023.03.01) |
| Jun 13, 2023 | 2.17% (0.02169) | 87.75th | v3 (v2023.03.01) |
| Mar 7, 2023 | 2.02% (0.02024) | 87.11th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.69% (0.02686) | 82.85th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.69% (0.02686) | 81.17th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.69% (0.02686) | 62.66th | v2 (v2022.01.01) |
No CWE recorded.
References (17)
- http://bugs.debian.org/cgi-bin/bugreport.cgi/neon26_0.26.2-3_to_mdx1.diff?bug=404723%3Bmsg=5%3Batt=2 x_refsource_CONFIRM
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=404723 x_refsource_CONFIRM
- http://mailman.webdav.org/pipermail/cadaver/2007-January/001015.html mailing-listx_refsource_MLIST
- http://mailman.webdav.org/pipermail/neon/2007-January/002362.html mailing-listx_refsource_MLIST
- http://osvdb.org/39247 vdb-entryx_refsource_OSVDB
- http://secunia.com/advisories/23751 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/23763 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/23984 third-party-advisoryx_refsource_SECUNIA
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:013 vendor-advisoryx_refsource_MANDRIVA
- http://www.novell.com/linux/security/advisories/2007_02_sr.html vendor-advisoryx_refsource_SUSE
- http://www.securityfocus.com/bid/22035 vdb-entryx_refsource_BID
- http://www.vupen.com/english/advisories/2007/0172 vdb-entryx_refsource_VUPEN
- http://www.vupen.com/english/advisories/2007/0362 vdb-entryx_refsource_VUPEN
- http://www.webdav.org/cadaver/ x_refsource_CONFIRM
- https://access.redhat.com/security/cve/CVE-2007-0157 Vendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2007-0157
- https://www.cve.org/CVERecord?id=CVE-2007-0157
Change history (0)
No recorded changes yet.