CVE-2026-15308
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- CVE-2026-15308
CVE Details
| Release Date: | 2026-07-09 | |
| Impact: | Important | What is this? |
Description
The incremental HTML parser (html.parser.HTMLParser) allows for CPU denial-of-service through repeated unterminated markup declarations when processing uncontrolled data.
See more information about CVE-2026-15308 from MITRE CVE dictionary and NIST NVD
NOTE: The following CVSS metrics and score provided are preliminary and subject to review.
CVSS v3 metrics
| Base Score: | 7.5 |
| Vector String: | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| Version: | 3.1 |
| Attack Vector: | Network |
| Attack Complexity: | Low |
| Privileges Required: | None |
| User Interaction: | None |
| Scope: | Unchanged |
| Confidentiality Impact: | None |
| Integrity Impact: | None |
| Availability Impact: | High |
Errata information
| Platform | Errata | Release Date |
| Oracle Linux version 10 (python3.14) | ELSA-2026-40856 | 2026-07-16 |
| Oracle Linux version 8 (python3) | ELSA-2026-39320 | 2026-07-15 |
| Oracle Linux version 8 (python3.12) | ELSA-2026-39893 | 2026-07-15 |
| Oracle Linux version 9 (python3.12) | ELSA-2026-39771 | 2026-07-16 |
| Oracle Linux version 9 (python3.9) | ELSA-2026-39798 | 2026-07-16 |
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