security flaw
Published Sep 17, 2003
10.0
HIGHCVSS 2.0
EPSS 11.42%
Description
A "buffer management error" in buffer_append_space of buffer.c for OpenSSH before 3.7 may allow remote attackers to execute arbitrary code by causing an incorrect amount of memory to be freed and corrupting the heap, a different vulnerability than CVE-2003-0695.
Affected products
No data.
No data.
Red Hat Enterprise Linux AS (Advanced Server) version 2.1
n/a
Fixed · RHSA-2003:280
Red Hat Enterprise Linux ES version 2.1
n/a
Fixed · RHSA-2003:280
Red Hat Enterprise Linux WS version 2.1
n/a
Fixed · RHSA-2003:280
Red Hat Linux 7.1
n/a
Fixed · RHSA-2003:279
Red Hat Linux 7.2
n/a
Fixed · RHSA-2003:279
Red Hat Linux 7.3
n/a
Fixed · RHSA-2003:279
Red Hat Linux 8.0
n/a
Fixed · RHSA-2003:279
Red Hat Linux 9
n/a
Fixed · RHSA-2003:279
Red Hat Linux Advanced Workstation 2.1
n/a
Fixed · RHSA-2003:280
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux AS (Advanced Server) version 2.1 | n/a | Fixed | RHSA-2003:280 |
| Red Hat Enterprise Linux ES version 2.1 | n/a | Fixed | RHSA-2003:280 |
| Red Hat Enterprise Linux WS version 2.1 | n/a | Fixed | RHSA-2003:280 |
| Red Hat Linux 7.1 | n/a | Fixed | RHSA-2003:279 |
| Red Hat Linux 7.2 | n/a | Fixed | RHSA-2003:279 |
| Red Hat Linux 7.3 | n/a | Fixed | RHSA-2003:279 |
| Red Hat Linux 8.0 | n/a | Fixed | RHSA-2003:279 |
| Red Hat Linux 9 | n/a | Fixed | RHSA-2003:279 |
| Red Hat Linux Advanced Workstation 2.1 | n/a | Fixed | RHSA-2003:280 |
No package ranges for this CVE.
Remediation
Red Hat statement
Not vulnerable. This flaw is fixed in Red Hat Enterprise Linux 2.1 via the errata RHSA-2003:280. This flaw is fixed in Red Hat Enterprise Linux 3 as a backported patch. The source RPM contains the patch openssh-3.6.1p2-owl-realloc.diff which resolved this flaw before Red Hat Enterprise Linux 3 GA. This flaw does not affect any subsequent versions of Red Hat Enterprise Linux.
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:C/I:C/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 (27 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 11.42% (0.11423) | 95.88th | v5 (v2026.06.15) |
| Jul 27, 2026 | 11.42% (0.11423) | 95.55th | v5 (v2026.06.15) |
| Jun 15, 2026 | 9.89% (0.09893) | 94.95th | v5 (v2026.06.15) |
| Feb 8, 2026 | 26.82% (0.26823) | 96.22th | v4 (v2025.03.14) |
| Dec 28, 2025 | 34.66% (0.34656) | 96.86th | v4 (v2025.03.14) |
| Dec 27, 2025 | 32.68% (0.32676) | 96.73th | v4 (v2025.03.14) |
| Oct 28, 2025 | 34.66% (0.34656) | 96.80th | v4 (v2025.03.14) |
| Oct 27, 2025 | 32.68% (0.32676) | 96.67th | v4 (v2025.03.14) |
| Oct 1, 2025 | 34.66% (0.34656) | 96.89th | v4 (v2025.03.14) |
| Aug 10, 2025 | 32.68% (0.32676) | 96.69th | v4 (v2025.03.14) |
| Aug 9, 2025 | 23.16% (0.23155) | 95.69th | v4 (v2025.03.14) |
| Jul 30, 2025 | 21.64% (0.21644) | 95.48th | v4 (v2025.03.14) |
| May 29, 2025 | 20.18% (0.20182) | 95.18th | v4 (v2025.03.14) |
| May 22, 2025 | 17.46% (0.17464) | 94.71th | v4 (v2025.03.14) |
| Mar 30, 2025 | 15.84% (0.15843) | 94.17th | v4 (v2025.03.14) |
| Mar 29, 2025 | 21.69% (0.21690) | 93.06th | v4 (v2025.03.14) |
| Mar 17, 2025 | 15.84% (0.15843) | 94.24th | v4 (v2025.03.14) |
| Dec 17, 2024 | 71.42% (0.71420) | 98.24th | v3 (v2023.03.01) |
| Jul 15, 2024 | 65.49% (0.65491) | 97.95th | v3 (v2023.03.01) |
| Jul 7, 2024 | 59.21% (0.59215) | 97.78th | v3 (v2023.03.01) |
| Jul 2, 2024 | 85.06% (0.85056) | 98.56th | v3 (v2023.03.01) |
| Feb 8, 2024 | 62.77% (0.62771) | 97.72th | v3 (v2023.03.01) |
| Oct 2, 2023 | 43.99% (0.43988) | 96.93th | v3 (v2023.03.01) |
| Mar 7, 2023 | 36.36% (0.36363) | 96.48th | v3 (v2023.03.01) |
| Mar 6, 2023 | 12.25% (0.12248) | 95.30th | v2 (v2022.01.01) |
| Apr 1, 2022 | 12.25% (0.12248) | 94.93th | v2 (v2022.01.01) |
| Feb 4, 2022 | 12.25% (0.12248) | 89.34th | v2 (v2022.01.01) |
No CWE recorded.
References (24)
- http://lists.grok.org.uk/pipermail/full-disclosure/2003-September/010103.html mailing-list
- http://lists.grok.org.uk/pipermail/full-disclosure/2003-September/010135.html mailing-list
- http://lists.grok.org.uk/pipermail/full-disclosure/2003-September/010146.html mailing-list
- http://marc.info/?l=bugtraq&m=106373247528528&w=2 mailing-list
- http://marc.info/?l=bugtraq&m=106373546332230&w=2 vendor-advisory
- http://marc.info/?l=bugtraq&m=106374466212309&w=2 mailing-list
- http://marc.info/?l=bugtraq&m=106381396120332&w=2 vendor-advisory
- http://marc.info/?l=bugtraq&m=106381409220492&w=2 mailing-list
- http://sunsolve.sun.com/search/document.do?assetkey=1-77-1000620.1-1 vendor-advisory
- http://www.cert.org/advisories/CA-2003-24.html third-party-advisoryUS Government Resource
- http://www.debian.org/security/2003/dsa-382 vendor-advisory
- http://www.debian.org/security/2003/dsa-383 vendor-advisory
- http://www.kb.cert.org/vuls/id/333628 third-party-advisoryPatchThird Party AdvisoryUS Government Resource
- http://www.mandriva.com/security/advisories?name=MDKSA-2003:090 vendor-advisory
- http://www.openssh.com/txt/buffer.adv
- http://www.openwall.com/lists/oss-security/2024/07/01/3 mailing-list
- http://www.redhat.com/support/errata/RHSA-2003-280.html vendor-advisory
- https://access.redhat.com/security/cve/CVE-2003-0693 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1617069 Issue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/13191 vdb-entry
- https://nvd.nist.gov/vuln/detail/CVE-2003-0693
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A2719 vdb-entrysignature
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A447 vdb-entrysignature
- https://www.cve.org/CVERecord?id=CVE-2003-0693
Change history (0)
No recorded changes yet.