The x509parse_crt function in x509.h in PolarSSL 1.1.x before 1.1.7 and 1.2.x before 1.2.8 does not properly parse certificate messages during the SSL/TLS handshake, which allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via a certificate message that contains a PEM encoded certificate
Published Sep 30, 2013
4.3
MEDIUMCVSS 2.0
EPSS 1.89%
Description
The x509parse_crt function in x509.h in PolarSSL 1.1.x before 1.1.7 and 1.2.x before 1.2.8 does not properly parse certificate messages during the SSL/TLS handshake, which allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via a certificate message that contains a PEM encoded certificate.
Affected products
No data.
- 1.1.0
- 1.1.0
- 1.1.0
- 1.1.1
- 1.1.2
- 1.1.3
- 1.1.4
- 1.1.5
- 1.1.6
- 1.2.0
- 1.2.1
- 1.2.2
- 1.2.3
- 1.2.4
- 1.2.5
- 1.2.6
- 1.2.7
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:M/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 | 1.89% (0.01887) | 78.77th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.89% (0.01887) | 76.75th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.66% (0.00659) | 69.38th | v4 (v2025.03.14) |
| Dec 17, 2024 | 6.33% (0.06325) | 93.58th | v3 (v2023.03.01) |
| Jun 17, 2024 | 4.74% (0.04740) | 92.70th | v3 (v2023.03.01) |
| May 13, 2023 | 4.04% (0.04037) | 90.78th | v3 (v2023.03.01) |
| Mar 27, 2023 | 4.55% (0.04546) | 91.22th | v3 (v2023.03.01) |
| Mar 7, 2023 | 4.52% (0.04517) | 91.19th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.41% (0.01408) | 72.89th | v2 (v2022.01.01) |
| Mar 2, 2023 | 1.41% (0.01408) | 72.88th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.41% (0.01408) | 70.87th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.41% (0.01408) | 49.94th | v2 (v2022.01.01) |
References (8)
- http://lists.fedoraproject.org/pipermail/package-announce/2013-September/115922.html vendor-advisoryx_refsource_FEDORA
- http://lists.fedoraproject.org/pipermail/package-announce/2013-September/115927.html vendor-advisoryx_refsource_FEDORA
- http://lists.fedoraproject.org/pipermail/package-announce/2013-September/116351.html vendor-advisoryx_refsource_FEDORA
- http://www.debian.org/security/2013/dsa-2782 vendor-advisoryx_refsource_DEBIAN
- http://www.securityfocus.com/bid/61764 vdb-entryx_refsource_BID
- https://bugzilla.redhat.com/show_bug.cgi?id=997767 x_refsource_CONFIRM
- https://github.com/polarssl/polarssl/commit/1922a4e6aade7b1d685af19d4d9339ddb5c02859 x_refsource_CONFIRMExploitPatch
- https://polarssl.org/tech-updates/security-advisories/polarssl-security-advisory-2013-03 x_refsource_CONFIRMPatchVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://lists.fedoraproject.org/pipermail/package-announce/2013-September/115922.html | vendor-advisoryx_refsource_FEDORA | |
| http://lists.fedoraproject.org/pipermail/package-announce/2013-September/115927.html | vendor-advisoryx_refsource_FEDORA | |
| http://lists.fedoraproject.org/pipermail/package-announce/2013-September/116351.html | vendor-advisoryx_refsource_FEDORA | |
| http://www.debian.org/security/2013/dsa-2782 | vendor-advisoryx_refsource_DEBIAN | |
| http://www.securityfocus.com/bid/61764 | vdb-entryx_refsource_BID | |
| https://bugzilla.redhat.com/show_bug.cgi?id=997767 | x_refsource_CONFIRM | |
| https://github.com/polarssl/polarssl/commit/1922a4e6aade7b1d685af19d4d9339ddb5c02859 | x_refsource_CONFIRMExploitPatch | |
| https://polarssl.org/tech-updates/security-advisories/polarssl-security-advisory-2013-03 | x_refsource_CONFIRMPatchVendor Advisory |
Change history (0)
No recorded changes yet.