subversion: NULL pointer dereference in svnserve leading to an unauthenticated remote DoS
Published Sep 26, 2019
7.5
HIGHCVSS 3.1
EPSS 3.44%
Description
In Apache Subversion versions up to and including 1.9.10, 1.10.4, 1.12.0, Subversion's svnserve server process may exit when a client sends certain sequences of protocol commands. This can lead to disruption for users of the server.
Affected products
- Vendor n/a Product Apache Subversion Defaultn/a
- Version Apache Subversion versions up to and including 1.9.10, 1.10.4, 1.12.0StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| n/a | Apache Subversion | n/a |
|
- ≤ 1.9.10
- ≥ 1.10.0 · ≤ 1.10.4
- ≥ 1.11.0 · ≤ 1.11.1
- 1.12.0
No data.
Red Hat Enterprise Linux 8
subversion:1.10-8000020190807153138.a27fc728
Fixed · RHSA-2019:2512
Red Hat Enterprise Linux 5
subversion
Not affected
Red Hat Enterprise Linux 6
subversion
Not affected
Red Hat Enterprise Linux 7
subversion
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 8 | subversion:1.10-8000020190807153138.a27fc728 | Fixed | RHSA-2019:2512 |
| Red Hat Enterprise Linux 5 | subversion | Not affected | n/a |
| Red Hat Enterprise Linux 6 | subversion | Not affected | n/a |
| Red Hat Enterprise Linux 7 | subversion | Not affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (28 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.44% (0.03440) | 88.58th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.22% (0.03216) | 86.52th | v5 (v2026.06.15) |
| May 29, 2026 | 6.02% (0.06024) | 90.85th | v4 (v2025.03.14) |
| Apr 19, 2026 | 3.94% (0.03937) | 88.35th | v4 (v2025.03.14) |
| Dec 28, 2025 | 6.64% (0.06638) | 90.88th | v4 (v2025.03.14) |
| Dec 27, 2025 | 4.30% (0.04303) | 88.56th | v4 (v2025.03.14) |
| Nov 21, 2025 | 7.39% (0.07394) | 91.34th | v4 (v2025.03.14) |
| Nov 18, 2025 | 14.07% (0.14075) | 93.72th | v4 (v2025.03.14) |
| Oct 28, 2025 | 7.39% (0.07394) | 91.30th | v4 (v2025.03.14) |
| Oct 27, 2025 | 4.81% (0.04811) | 89.03th | v4 (v2025.03.14) |
| Oct 11, 2025 | 7.39% (0.07394) | 91.27th | v4 (v2025.03.14) |
| Oct 1, 2025 | 5.79% (0.05786) | 90.16th | v4 (v2025.03.14) |
| Aug 30, 2025 | 3.74% (0.03735) | 87.55th | v4 (v2025.03.14) |
| May 28, 2025 | 4.81% (0.04811) | 88.95th | v4 (v2025.03.14) |
| Mar 30, 2025 | 2.74% (0.02744) | 84.70th | v4 (v2025.03.14) |
| Mar 29, 2025 | 4.69% (0.04689) | 81.86th | v4 (v2025.03.14) |
| Mar 17, 2025 | 2.74% (0.02744) | 85.02th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.14% (0.00143) | 51.73th | v3 (v2023.03.01) |
| Jun 14, 2024 | 0.13% (0.00126) | 47.45th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.13% (0.00126) | 45.45th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Sep 10, 2022 | 0.89% (0.00885) | 26.24th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.89% (0.00885) | 24.24th | v2 (v2022.01.01) |
| Feb 4, 2022 | 4.50% (0.04499) | 74.08th | v2 (v2022.01.01) |
| Feb 3, 2022 | 5.34% (0.05337) | 78.92th | v1 |
| Jan 6, 2022 | 5.34% (0.05337) | 78.71th | v1 |
| Sep 1, 2021 | 1.24% (0.01241) | 67.45th | v1 |
| Apr 14, 2021 | 1.24% (0.01241) | 0.00th | v1 |
References (6)
- http://subversion.apache.org/security/CVE-2019-0203-advisory.txt x_refsource_MISCPatchVendor Advisory
- https://access.redhat.com/security/cve/CVE-2019-0203 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1733073 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2019-0203
- https://subversion.apache.org/security/CVE-2019-0203-advisory.txt
- https://www.cve.org/CVERecord?id=CVE-2019-0203
| Link | Providers | Tags |
|---|---|---|
| http://subversion.apache.org/security/CVE-2019-0203-advisory.txt | x_refsource_MISCPatchVendor Advisory | |
| https://access.redhat.com/security/cve/CVE-2019-0203 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1733073 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2019-0203 | ||
| https://subversion.apache.org/security/CVE-2019-0203-advisory.txt | ||
| https://www.cve.org/CVERecord?id=CVE-2019-0203 |
Change history (0)
No recorded changes yet.