First published: Tue May 07 2024(Updated: )
### Impact If pdf.js is used to load a malicious PDF, and PDF.js is configured with `isEvalSupported` set to `true` (which is the default value), unrestricted attacker-controlled JavaScript will be executed in the context of the hosting domain. ### Patches The patch removes the use of `eval`: https://github.com/mozilla/pdf.js/pull/18015 ### Workarounds Set the option `isEvalSupported` to `false`. ### References https://bugzilla.mozilla.org/show_bug.cgi?id=1893645
Credit: security@mozilla.org security@mozilla.org
Affected Software | Affected Version | How to fix |
---|---|---|
Mozilla Firefox ESR | <115.11 | 115.11 |
Mozilla Thunderbird | <115.11 | 115.11 |
ubuntu/firefox | <126.0+ | 126.0+ |
ubuntu/thunderbird | <1:115.11.0+ | 1:115.11.0+ |
ubuntu/thunderbird | <1:115.11.0+ | 1:115.11.0+ |
ubuntu/thunderbird | <1:115.11.0+ | 1:115.11.0+ |
ubuntu/thunderbird | <1:115.11.0-1 | 1:115.11.0-1 |
Mozilla Firefox | <126 | 126 |
npm/pdfjs-dist | <=4.1.392 | 4.2.67 |
redhat/firefox | <115.11 | 115.11 |
redhat/thunderbird | <115.11 | 115.11 |
debian/firefox | 127.0.1-1 | |
debian/firefox-esr | <=91.12.0esr-1~deb10u1<=115.7.0esr-1~deb11u1<=115.7.0esr-1~deb12u1 | 115.12.0esr-1~deb10u1 115.12.0esr-1~deb11u1 115.12.0esr-1~deb12u1 115.12.0esr-1 |
debian/thunderbird | <=1:91.12.0-1~deb10u1<=1:115.7.0-1~deb11u1<=1:115.7.0-1~deb12u1 | 1:115.12.0-1~deb10u1 1:115.12.0-1~deb11u1 1:115.12.0-1~deb12u1 1:115.12.0-1 |
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(Appears in the following advisories)
(Found alongside the following vulnerabilities)