CVE-2021-3838: PHAR Deserialization in dompdf/dompdf
First published: Tue Feb 14 2023(Updated: )
[Unknown description]
Credit: security@huntr.dev security@huntr.dev
| Affected Software | Affected Version | How to fix |
|---|---|---|
| ubuntu/php-dompdf | <2.0.2+dfsg-1<2.0.0 | 2.0.2+dfsg-1 2.0.0 |
| ubuntu/php-dompdf | <0.6.1+dfsg-2ubuntu1+ | 0.6.1+dfsg-2ubuntu1+ |
| ubuntu/php-dompdf | <0.6.2+dfsg-3ubuntu0.18.04.1~ | 0.6.2+dfsg-3ubuntu0.18.04.1~ |
| ubuntu/php-dompdf | <0.6.2+dfsg-3ubuntu0.20.04.1 | 0.6.2+dfsg-3ubuntu0.20.04.1 |
| ubuntu/php-dompdf | <0.6.2+dfsg-3.1ubuntu0.1 | 0.6.2+dfsg-3.1ubuntu0.1 |
| debian/php-dompdf | <=0.6.2+dfsg-3<=0.6.2+dfsg-3.1 | 0.6.2+dfsg-3+deb10u2 2.0.3+dfsg-1 2.0.4+dfsg-1 |
| composer/dompdf/dompdf | <2.0.0 | 2.0.0 |
| Dompdf | <2.0.0 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3838
- https://github.com/dompdf/dompdf/issues/2564
- https://huntr.dev/bounties/0bdddc12-ff67-4815-ab9f-6011a974f48e
- https://ubuntu.com/security/notices/USN-6277-1
- https://ubuntu.com/security/notices/USN-6277-2
- https://nvd.nist.gov/vuln/detail/CVE-2021-3838
- https://launchpad.net/bugs/cve/CVE-2021-3838
- https://security-tracker.debian.org/tracker/CVE-2021-3838
- https://github.com/dompdf/dompdf/commit/99aeec1efec9213e87098d42eb09439e7ee0bb6a
- https://ubuntu.com/security/CVE-2021-3838
- https://huntr.com/bounties/0bdddc12-ff67-4815-ab9f-6011a974f48e
- https://github.com/advisories/GHSA-577p-7j7h-2jgf (Advisory)
Frequently Asked Questions
What is CVE-2021-3838?
CVE-2021-3838 is a vulnerability related to the deserialization of untrusted data using PHAR deserialization.
How does CVE-2021-3838 affect software?
CVE-2021-3838 affects the php-dompdf package in various versions of Debian and Ubuntu.
What is the severity of CVE-2021-3838?
The severity of CVE-2021-3838 is yet to be determined, but it is recommended to apply the available remedies to mitigate the vulnerability.
How can I fix CVE-2021-3838?
To fix CVE-2021-3838, it is recommended to update the php-dompdf package to the specified versions or apply the relevant security patches provided by the distribution.
Where can I find more information about CVE-2021-3838?
You can find more information about CVE-2021-3838 on the GitHub page of dompdf and the related reference links.
- agent/type
- agent/first-publish-date
- collector/usn-cve
- source/Ubuntu
- agent/software-canonical-lookup
- collector/security-tracker-debian
- source/Debian
- agent/weakness
- agent/title
- agent/references
- agent/description
- agent/author
- collector/github-advisory-latest
- source/GitHub
- alias/GHSA-577p-7j7h-2jgf
- alias/CVE-2021-3838
- agent/severity
- collector/mitre-cve
- source/MITRE
- agent/remedy
- agent/last-modified-date
- agent/softwarecombine
- agent/event
- collector/github-advisory
- agent/trending
- agent/source
- agent/tags
- collector/nvd-api
- source/NVD
- agent/software-canonical-lookup-request
- collector/nvd-cve
- package-manager/ubuntu
- package-manager/debian
- package-manager/composer
- vendor/dompdf project
- canonical/dompdf