TCPDF version 6.6.5 and before is vulnerable to ReDoS (Regular Expression Denial of Service) if parsing an untrusted SVG file.

The remote Debian 11 host has a package installed that is affected by multiple vulnerabilities as referenced in the dla-4199 advisory.

    -------------------------------------------------------------------------     Debian LTS Advisory DLA-4199-1                debian-lts@lists.debian.org     https://www.debian.org/lts/security/               Santiago Ruano Rincn     May 31, 2025                                  https://wiki.debian.org/LTS
    -------------------------------------------------------------------------

    Package        : tcpdf     Version        : 6.3.5+dfsg1-1+deb11u1     CVE ID         : CVE-2024-22640 CVE-2024-22641 CVE-2024-32489 CVE-2024-51058                      CVE-2024-56519 CVE-2024-56520 CVE-2024-56522 CVE-2024-56527

    Multiple security issues were discovered in TCPDF, a PHP class for     generating PDF files on-the-fly, which may result in denial of service,     cross-site scripting or information disclosure.

    CVE-2024-22640

        ReDoS (Regular Expression Denial of Service) if parsing an untrusted HTML         page with a crafted color.

    CVE-2024-22641

        ReDoS (Regular Expression Denial of Service) when parsing a specially         crafted SVG file.

    CVE-2024-32489

        TCPDF mishandles calls that use HTML syntax.

    CVE-2024-51058

        Local File Inclusion (LFI) vulnerability through the <img> src tag.

    CVE-2024-56519

        setSVGStyles does not sanitize the SVG font-family attribute.

    CVE-2024-56520

        TCPDF, throught its use of tc-lib-pdf-font, mishandles fonts like FontBBox         for Type 1 and misparses TrueType fonts.

    CVE-2024-56522

        The unserializeTCPDFtag() function doesn't make use of constant-time         function to compare TCPDF tag hashes.

    CVE-2024-56527

        The Error() function lacks an htmlspecialchars call for the error message.

    For Debian 11 bullseye, these problems have been fixed in version     6.3.5+dfsg1-1+deb11u1.

    We recommend that you upgrade your tcpdf packages.

    For the detailed security status of tcpdf please refer to     its security tracker page at:
    https://security-tracker.debian.org/tracker/tcpdf

    Further information about Debian LTS security advisories, how to apply     these updates to your system and frequently asked questions can be     found at: https://wiki.debian.org/LTS     Attachment:
    signature.asc     Description: PGP signature

Tenable has extracted the preceding description block directly from the Debian security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Debian 12 host has a package installed that is affected by multiple vulnerabilities as referenced in the dsa-5933 advisory.

    - -------------------------------------------------------------------------     Debian Security Advisory DSA-5933-1                   security@debian.org     https://www.debian.org/security/                       Moritz Muehlenhoff     June 01, 2025                         https://www.debian.org/security/faq
    - -------------------------------------------------------------------------

    Package        : tcpdf     CVE ID         : CVE-2024-22640 CVE-2024-22641 CVE-2024-32489                      CVE-2024-51058 CVE-2024-56519 CVE-2024-56520                      CVE-2024-56522 CVE-2024-56527

    Multiple security issues were discovered in TCPDF, a PHP class for     generating PDF files on-the-fly, which may result in denial of service,     cross-site scripting or information disclosure.

    For the stable distribution (bookworm), these problems have been fixed in     version 6.6.2+dfsg1-1+deb12u1.

    We recommend that you upgrade your tcpdf packages.

    For the detailed security status of tcpdf please refer to     its security tracker page at:
    https://security-tracker.debian.org/tracker/tcpdf

    Further information about Debian Security Advisories, how to apply     these updates to your system and frequently asked questions can be     found at: https://www.debian.org/security/

    Mailing list: debian-security-announce@lists.debian.org

Tenable has extracted the preceding description block directly from the Debian security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - TCPDF version 6.6.5 and before is vulnerable to ReDoS (Regular Expression Denial of Service) if parsing an     untrusted SVG file. (CVE-2024-22641)

Note that Nessus relies on the presence of the package as reported by the vendor.

The remote Fedora 41 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2024-b00678c08a advisory.

    **Version 6.7.7** (2024-10-26)

    - Update regular expression to avoid ReDoS (**CVE-2024-22641**)
    - [PHP 8.4] Fix: Curl CURLOPT_BINARYTRANSFER deprecated #675
    - SVG detection fix for inline data images #646
    - Fix count svg #647
    - Since the version 6.7.4, the 0 is considered like empty string and not displayed
    - Fixed handling of transparency in PDF/A mode in addExtGState method
    - Encrypt /DA string when document is encrypted
    - Improve quality of generated seed, avoid potential security pitfall
    - Try to use random_bytes() first if it's available
    - Do not include the server parameters in the generated seed, as they might contain sensitive data
    - Fix bug on _getannotsrefs when there are empty signature appearances but not other annot on a page
    - Fix SVG coordinate parser that caused drawing artifacts
    - Remove usage of xml_set_object() function


Tenable has extracted the preceding description block directly from the Fedora security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Fedora 40 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2024-afeeca72ce advisory.

    **Version 6.7.7** (2024-10-26)

    - Update regular expression to avoid ReDoS (**CVE-2024-22641**)
    - [PHP 8.4] Fix: Curl CURLOPT_BINARYTRANSFER deprecated #675
    - SVG detection fix for inline data images #646
    - Fix count svg #647
    - Since the version 6.7.4, the 0 is considered like empty string and not displayed
    - Fixed handling of transparency in PDF/A mode in addExtGState method
    - Encrypt /DA string when document is encrypted
    - Improve quality of generated seed, avoid potential security pitfall
    - Try to use random_bytes() first if it's available
    - Do not include the server parameters in the generated seed, as they might contain sensitive data
    - Fix bug on _getannotsrefs when there are empty signature appearances but not other annot on a page
    - Fix SVG coordinate parser that caused drawing artifacts
    - Remove usage of xml_set_object() function


Tenable has extracted the preceding description block directly from the Fedora security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Fedora 39 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2024-0b2854c95b advisory.

    **Version 6.7.7** (2024-10-26)

    - Update regular expression to avoid ReDoS (**CVE-2024-22641**)
    - [PHP 8.4] Fix: Curl CURLOPT_BINARYTRANSFER deprecated #675
    - SVG detection fix for inline data images #646
    - Fix count svg #647
    - Since the version 6.7.4, the 0 is considered like empty string and not displayed
    - Fixed handling of transparency in PDF/A mode in addExtGState method
    - Encrypt /DA string when document is encrypted
    - Improve quality of generated seed, avoid potential security pitfall
    - Try to use random_bytes() first if it's available
    - Do not include the server parameters in the generated seed, as they might contain sensitive data
    - Fix bug on _getannotsrefs when there are empty signature appearances but not other annot on a page
    - Fix SVG coordinate parser that caused drawing artifacts
    - Remove usage of xml_set_object() function

    ----

    **Version 6.7.6** (2024-10-06)

    - Forbid access to parent folder in HTML images.

    ----

    **Version 6.7.5** (2024-04-20)

    - Update GitHub actions
    - fix: CSV-2024-22640 (#712)

    ----

    **Version 6.7.4** (2024-03-24)

    - Upgrade tcpdf tag encryption algorithm.
    - Fix regression issue #699.
    - Fix security issue.
    - [BREAKING CHANGE] The tcpdf HTML tag syntax has changed, see example_049.php.
    - New K_ALLOWED_TCPDF_TAGS configuration constant to set the allowed methods for the tcdpf HTML tag.
    - Raised minimum PHP version to PHP 5.5.0.


Tenable has extracted the preceding description block directly from the Fedora security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Severity
237717	Debian dla-4199 : php-tcpdf - security update	Nessus	Debian Local Security Checks	medium
237632	Debian dsa-5933 : php-tcpdf - security update	Nessus	Debian Local Security Checks	medium
227693	Linux Distros Unpatched Vulnerability : CVE-2024-22641	Nessus	Misc.	high
210973	Fedora 41 : php-tcpdf (2024-b00678c08a)	Nessus	Fedora Local Security Checks	high
210382	Fedora 40 : php-tcpdf (2024-afeeca72ce)	Nessus	Fedora Local Security Checks	high
210379	Fedora 39 : php-tcpdf (2024-0b2854c95b)	Nessus	Fedora Local Security Checks	high

Detections

Analytics

CVE-2024-22641

high

Tenable Plugins

medium

medium

high

high

high

high