CVE-2026-92842
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- CVE-2026-92842
CVE Details
| Release Date: | 2026-09-25 | |
| Impact: | Moderate | What is this? |
Description
The convert.base64-encode, convert.quoted-printable-encode and convert.quoted-printable-decode stream filters accept a line-break-chars option whose length is tracked separately from the string itself. The filter constructors duplicate the value with pestrdup(), which stops at the first NUL byte, while keeping the original length. When the filter later emits a line break it copies the recorded length out of the truncated allocation, reading past its end and placing adjacent heap bytes into the filter output.
See more information about CVE-2026-92842 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: | 5.9 |
| Vector String: | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |
| Version: | 3.1 |
| Attack Vector: | Network |
| Attack Complexity: | High |
| Privileges Required: | None |
| User Interaction: | None |
| Scope: | Unchanged |
| Confidentiality Impact: | High |
| Integrity Impact: | None |
| Availability Impact: | None |
Errata information
| Platform | Errata | Release Date |
| Oracle Linux version 8 (libzip) | ELSA-2026-87080 | 2026-10-21 |
| Oracle Linux version 8 (php) | ELSA-2026-87080 | 2026-10-21 |
| Oracle Linux version 8 (php-pear) | ELSA-2026-87080 | 2026-10-21 |
| Oracle Linux version 8 (php-pecl-apcu) | ELSA-2026-87080 | 2026-10-21 |
| Oracle Linux version 8 (php-pecl-rrd) | ELSA-2026-87080 | 2026-10-21 |
| Oracle Linux version 8 (php-pecl-xdebug) | ELSA-2026-87080 | 2026-10-21 |
| Oracle Linux version 8 (php-pecl-zip) | ELSA-2026-87080 | 2026-10-21 |
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